Select different State:
Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming| Fayette Post Office | Fayette Post Office | Delta | 617 | Fayette |
| Princeton Post Office | Princeton Post Office | Marquette | 1224 | Gwinn |
| Drummond Island Post Office | Drummond Island Post Office | Chippewa | 610 | Drummond |
| Presque Isle Post Office | Presque Isle Post Office | Presque Isle | 617 | Presque Isle |
| Cohoctah Post Office (historical) | Cohoctah Post Office (historical) | Livingston | 873 | Byron |
| Prentice Post Office (historical) | Prentice Post Office (historical) | Monroe | Unknown | |
| Cohocta Post Office | Cohocta Post Office | Livingston | 886 | Byron |
| Bethel Post Office (historical) | Bethel Post Office (historical) | Branch | 997 | Kinderhook |
| Groveland Post Office (historical) | Groveland Post Office (historical) | Oakland | Unknown | |
| Hubbell Post Office (historical) | Hubbell Post Office (historical) | Mackinac | Unknown | |
| Benzonia Post Office | Benzonia Post Office | Benzie | 820 | Benzonia |
| Beulah Post Office | Beulah Post Office | Benzie | 614 | Beulah |
| Elberta Post Office | Elberta Post Office | Benzie | 591 | Elberta |
| Frankfort Post Office | Frankfort Post Office | Benzie | 597 | Frankfort |
| Honor Post Office | Honor Post Office | Benzie | 617 | Beulah |
| Northport Point Post Office (historical) | Northport Point Post Office (historical) | Leelanau | 607 | Northport |
| Rock Harbor Post Office (historical) | Rock Harbor Post Office (historical) | Keweenaw | 610 | Rock Harbor Lodge |
| Isle Royale Natinal Park Post Office (historical) | Isle Royale Natinal Park Post Office (historical) | Keweenaw | 620 | Malone Bay |
| Tawa Beach Post Office (historical) | Tawa Beach Post Office (historical) | Iosco | 587 | East Tawas |
| Weimer Post Office (historical) | Weimer Post Office (historical) | Mason | 623 | Hamlin Lake |
| Toledo Beach Post Office (historical) | Toledo Beach Post Office (historical) | Monroe | 577 | Erie |
| Merlebeach Post Office (historical) | Merlebeach Post Office (historical) | Clinton | 781 | Saint Johns South |
| Camp Grey Post Office (historical) | Camp Grey Post Office (historical) | Allegan | 607 | Saugatuck |
| Yorkville Post Office (historical) | Yorkville Post Office (historical) | Kalamazoo | Unknown | |
| Wequetonsing Post Office (historical) | Wequetonsing Post Office (historical) | Emmet | 591 | Harbor Springs |
| Wabaningo Post Office (historical) | Wabaningo Post Office (historical) | Muskegon | 623 | Michillinda |
| Tula Post Office (historical) | Tula Post Office (historical) | Gogebic | 1335 | Tula |
| Stony Lake Post Office (historical) | Stony Lake Post Office (historical) | Oceana | 604 | Bigsbie Lake |
| Skidway Lake Post Office | Skidway Lake Post Office | Ogemaw | 797 | Skidway Lake |
| Sister Lakes Post Office (historical) | Sister Lakes Post Office (historical) | Van Buren | 768 | Sister Lakes |
| Sand River Post Office (historical) | Sand River Post Office (historical) | Alger | 630 | Sand River |
| Pointe Aux Pins Post Office (historical) | Pointe Aux Pins Post Office (historical) | Mackinac | 587 | Cheboygan |
| Pointe Aux Baques Post Office (historical) | Pointe Aux Baques Post Office (historical) | Huron | 597 | Port Austin East |
| Pilgrim Post Office (historical) | Pilgrim Post Office (historical) | Benzie | 617 | Frankfort |
| Pierport Post Office (historical) | Pierport Post Office (historical) | Manistee | 633 | Bear Lake |
| Pawpaw Lake Post Office (historical) | Pawpaw Lake Post Office (historical) | Berrien | 636 | Coloma |
| Pallisades Park Post Office (historical) | Pallisades Park Post Office (historical) | Van Buren | 581 | Covert |
| Otsego Lake Post Office (historical) | Otsego Lake Post Office (historical) | Otsego | 1296 | Otsego Lake |
| Oden Post Office (historical) | Oden Post Office (historical) | Emmet | 620 | Alanson |
| Nunuscong Post Office (historical) | Nunuscong Post Office (historical) | Chippewa | 587 | Munuscong |
| Michillinda Post Office (historical) | Michillinda Post Office (historical) | Muskegon | 591 | Michillinda |
| Macatawa Post Office (historical) | Macatawa Post Office (historical) | Ottawa | 591 | Holland West |
| Little Point Sable Post Office (historical) | Little Point Sable Post Office (historical) | Oceana | 663 | Little Point Sable |
| Lakewood Club Post Office (historical) | Lakewood Club Post Office (historical) | Muskegon | 679 | Dalton |
| Lakeland Post Office (historical) | Lakeland Post Office (historical) | Livingston | 860 | Hamburg |
| Idlewild Post Office | Idlewild Post Office | Lake | 866 | Baldwin |
| Huron Mountain Post Office (historical) | Huron Mountain Post Office (historical) | Marquette | 610 | Huron Mountain |
| Harbor Point Post Office (historical) | Harbor Point Post Office (historical) | Emmet | 594 | Harbor Springs |
| Grand Beach Post Office (historical) | Grand Beach Post Office (historical) | Berrien | 620 | New Buffalo West |
| Gogebic Post Office (historical) | Gogebic Post Office (historical) | Gogebic | 1532 | Gogebic |
| Glen Arbor Post Office (historical) | Glen Arbor Post Office (historical) | Leelanau | 591 | Glen Arbor |
| Fouch Post Office (historical) | Fouch Post Office (historical) | Leelanau | 620 | Traverse City SW |
| Epoufette Post Office (historical) | Epoufette Post Office (historical) | Mackinac | 591 | Epoufette |
| Eagle Harbor Post Office (historical) | Eagle Harbor Post Office (historical) | Keweenaw | 620 | Eagle Harbor |
| Castle Park Post Office (historical) | Castle Park Post Office (historical) | Allegan | 617 | Saugatuck |
| Canada Creek Post Office (historical) | Canada Creek Post Office (historical) | Montmorency | 820 | Lake Geneva |
| Burt Lake Post Office (historical) | Burt Lake Post Office (historical) | Cheboygan | 705 | Burt Lake |
| Birch Beach Post Office (historical) | Birch Beach Post Office (historical) | Sanilac | 604 | Jeddo |
| Barron Post Office (historical) | Barron Post Office (historical) | Cass | Unknown | |
| Bayview Post Office (historical) | Bayview Post Office (historical) | Emmet | Unknown | |
| Beach Post Office (historical) | Beach Post Office (historical) | Mackinac | Unknown | |
| Belle Harbor Post Office (historical) | Belle Harbor Post Office (historical) | Keweenaw | Unknown | |
| Clam River Post Office (historical) | Clam River Post Office (historical) | Antrim | Unknown | |
| Cooper Harbor Post Offcie (historical) | Cooper Harbor Post Offcie (historical) | Keweenaw | Unknown | |
| Coryell Post Office (historical) | Coryell Post Office (historical) | Mackinac | Unknown | |
| Coryell Islands Post Office (historical) | Coryell Islands Post Office (historical) | Mackinac | Unknown | |
| Fox Islands Post Office (historical) | Fox Islands Post Office (historical) | Leelanau | Unknown | |
| Hallston Post Office (historical) | Hallston Post Office (historical) | Alger | Unknown | |
| Hammond Bay Post Office (historical) | Hammond Bay Post Office (historical) | Presque Isle | Unknown | |
| Helena Post Office (historical) | Helena Post Office (historical) | Antrim | Unknown | |
| Higgins Post Office (historical) | Higgins Post Office (historical) | Roscommon | Unknown | |
| Huronia Beach Post Office (historical) | Huronia Beach Post Office (historical) | St. Clair | Unknown | |
| Ingleside Post Office (historical) | Ingleside Post Office (historical) | Cheboygan | 722 | Indianville |
| Iosco Post Office (historical) | Iosco Post Office (historical) | Iosco | Unknown | |
| Irish Hills Post Office (historical) | Irish Hills Post Office (historical) | Lenawee | Unknown | |
| Islington Post Office (historical) | Islington Post Office (historical) | Mackinac | Unknown | |
| Johns Post Office (historical) | Johns Post Office (historical) | Keweenaw | Unknown | |
| Lake Cora Post Office | Lake Cora Post Office | Van Buren | Unknown | |
| Lake Harbor Post Office (historical) | Lake Harbor Post Office (historical) | Muskegon | Unknown | |
| Lake Point Post Office (historical) | Lake Point Post Office (historical) | Berrien | Unknown | |
| Lake Shore Post Office (historical) | Lake Shore Post Office (historical) | Allegan | Unknown | |
| Leelanau Post Office (historical) | Leelanau Post Office (historical) | Leelanau | Unknown | |
| Maywood Post Office (historical) | Maywood Post Office (historical) | Iron | Unknown | |
| Meyer Post Office (historical) | Meyer Post Office (historical) | Mackinac | Unknown | |
| Neahtawanta Post Office (historical) | Neahtawanta Post Office (historical) | Grand Traverse | Unknown | |
| Neebish Post Office (historical) | Neebish Post Office (historical) | Chippewa | Unknown | |
| Ottawa Beach Post Office (historical) | Ottawa Beach Post Office (historical) | Ottawa | Unknown | |
| Owasippi Post Office (historical) | Owasippi Post Office (historical) | Muskegon | Unknown | |
| Portage Point Post Office (historical) | Portage Point Post Office (historical) | Manistee | Unknown | |
| Putnam Post Office (historical) | Putnam Post Office (historical) | Lenawee | Unknown | |
| Saint Clair Springs Post Office (historical) | Saint Clair Springs Post Office (historical) | St. Clair | Unknown | |
| Sand River Post Office (historical) | Sand River Post Office (historical) | Marquette | Unknown | |
| Singerville Post Office (historical) | Singerville Post Office (historical) | Keweenaw | Unknown | |
| Tobins Harbor Post Office (historical) | Tobins Harbor Post Office (historical) | Keweenaw | Unknown | |
| Trombly Post Office (historical) | Trombly Post Office (historical) | Chippewa | Unknown | |
| Uno Post Office (historical) | Uno Post Office (historical) | Delta | Unknown | |
| Wah Wah Soo Post Office (historical) | Wah Wah Soo Post Office (historical) | Otsego | Unknown | |
| Walkers Point Post Office (historical) | Walkers Point Post Office (historical) | Mackinac | 587 | McRae Bay OE E |
| Burtlake Post Office (historical) | Burtlake Post Office (historical) | Cheboygan | Unknown | |
| Lakegrove Post Office (historical) | Lakegrove Post Office (historical) | Emmet | Unknown | |
| Aral Post Office (historical) | Aral Post Office (historical) | Benzie | Unknown | |
| Thompsonville Post Office | Thompsonville Post Office | Benzie | 791 | Thompsonville |
| Debri Post Office (historical) | Debri Post Office (historical) | Ottawa | Unknown | |
| Haakwood Post Office (historical) | Haakwood Post Office (historical) | Cheboygan | 745 | Wolverine |
| Tobins Harbor Post Office (historical) | Tobins Harbor Post Office (historical) | Keweenaw | Unknown | |
| Singerville Post Office (historical) | Singerville Post Office (historical) | Keweenaw | Unknown | |
| Phoenix Post Office (historical) | Phoenix Post Office (historical) | Keweenaw | 922 | Phoenix |
| Ojibway Post Office (historical) | Ojibway Post Office (historical) | Keweenaw | 1083 | Mohawk |
| Minong Post Office (historical) | Minong Post Office (historical) | Keweenaw | 620 | McCargoe Cove |
| Mandan Post Office (historical) | Mandan Post Office (historical) | Keweenaw | 1079 | Delaware |
| Johns Post Office (historical) | Johns Post Office (historical) | Keweenaw | 636 | Feldtmann Lake |
| Island Mine Post Office (historical) | Island Mine Post Office (historical) | Keweenaw | 600 | Sugar Mountain |
| Hebard Post Office (historical) | Hebard Post Office (historical) | Keweenaw | 801 | Mohawk |
| Gay Post Office (historical) | Gay Post Office (historical) | Keweenaw | 646 | Gay |
| Eagle River Post Office | Eagle River Post Office | Keweenaw | 646 | Phoenix |
| Eagle Harbor Post Office (historical) | Eagle Harbor Post Office (historical) | Keweenaw | 620 | Eagle Harbor |
| Clifton Post Office (historical) | Clifton Post Office (historical) | Keweenaw | 978 | Phoenix |
| Central Mine Post Office (historical) | Central Mine Post Office (historical) | Keweenaw | 1207 | Eagle Harbor |
| Delaware Mine Post Office (historical) | Delaware Mine Post Office (historical) | Keweenaw | Unknown | |
| Belle Harbor Post Office (historical) | Belle Harbor Post Office (historical) | Keweenaw | Unknown | |
| Mohawk Post Office | Mohawk Post Office | Keweenaw | 1043 | Mohawk |
| Copper Harbor Post Office | Copper Harbor Post Office | Keweenaw | 630 | Lake Medora |
| Allouez Post Office (historical) | Allouez Post Office (historical) | Keweenaw | 1007 | Ahmeek |
| Ahmeek Post Office | Ahmeek Post Office | Keweenaw | 869 | Ahmeek |
| Hancock Post Office | Hancock Post Office | Houghton | 696 | Hancock |
| Houghton Post Office | Houghton Post Office | Houghton | 669 | Chassell |
| Withey Post Office (historical) | Withey Post Office (historical) | Houghton | Unknown | |
| Winona Post Office (historical) | Winona Post Office (historical) | Houghton | 1280 | Winona South |
| Trimountain Post Office (historical) | Trimountain Post Office (historical) | Houghton | 1299 | South Range |
| Toivola Post Office | Toivola Post Office | Houghton | 1280 | Donken |
| Tapiola Post Office (historical) | Tapiola Post Office (historical) | Houghton | 823 | Pine Lake |
| Silver Post Office (historical) | Silver Post Office (historical) | Houghton | 988 | Vista Falls |
| Senter Post Office (historical) | Senter Post Office (historical) | Houghton | 702 | Point Mills |
| Ripley Post Office (historical) | Ripley Post Office (historical) | Houghton | 620 | Hancock |
| Redrock Post Office (historical) | Redrock Post Office (historical) | Houghton | 604 | Portage Entry |
| Redridge Post Office (historical) | Redridge Post Office (historical) | Houghton | 686 | Beacon Hill |
| Red Jacket Post Office (historical) | Red Jacket Post Office (historical) | Houghton | 1237 | Laurium |
| Portage Entry Post Office (historical) | Portage Entry Post Office (historical) | Houghton | 610 | Portage Entry |
| Point Mills Post Office (historical) | Point Mills Post Office (historical) | Houghton | 722 | Point Mills |
| Plato Post Office (historical) | Plato Post Office (historical) | Houghton | 1161 | Rousseau |
| Paavola Post Office (historical) | Paavola Post Office (historical) | Houghton | 1125 | Hancock |
| Oskar Post Office (historical) | Oskar Post Office (historical) | Houghton | 614 | Oskar |
| Osceola Post Office (historical) | Osceola Post Office (historical) | Houghton | 1224 | Laurium |
| Onnela Post Office (historical) | Onnela Post Office (historical) | Houghton | 843 | Oskar |
| Liminga Post Office (historical) | Liminga Post Office (historical) | Houghton | 755 | Oskar |
| Kitchi Post Office (historical) | Kitchi Post Office (historical) | Houghton | 1260 | Glitter Lake |
| Kearsage Post Office (historical) | Kearsage Post Office (historical) | Houghton | 1122 | Ahmeek |
| Jacobsville Post Office (historical) | Jacobsville Post Office (historical) | Houghton | 623 | Portage Entry |
| Horju Post Office (historical) | Horju Post Office (historical) | Houghton | 1161 | Laurium |
| Franklin Mine Post Office (historical) | Franklin Mine Post Office (historical) | Houghton | 1184 | Hancock |
| Elo Post Office (historical) | Elo Post Office (historical) | Houghton | 873 | Pelkie |
| Elmriver Post Office (historical) | Elmriver Post Office (historical) | Houghton | 1230 | Donken |
| Donken Post Office (historical) | Donken Post Office (historical) | Houghton | 1302 | Donken |
| Dollar Bay Post Office | Dollar Bay Post Office | Houghton | 620 | Chassell |
| Dodgeville Post Office (historical) | Dodgeville Post Office (historical) | Houghton | 981 | Chassell |
| Desmond Post Office (historical) | Desmond Post Office (historical) | Houghton | Unknown | |
| Crystal Lake Post Office (historical) | Crystal Lake Post Office (historical) | Houghton | 1378 | Echo Lake |
| Craig Post Office (historical) | Craig Post Office (historical) | Houghton | 604 | Portage Entry |
| Copper City Post Office | Copper City Post Office | Houghton | 876 | Ahmeek |
| Brotherton Post Office (historical) | Brotherton Post Office (historical) | Houghton | 1302 | Sparrow Rapids |
| New Home Post Office (historical) | New Home Post Office (historical) | Houghton | 1227 | Rousseau |
| Burney Post Office (historical) | Burney Post Office (historical) | Houghton | Unknown | |
| Demmon Post Office (historical) | Demmon Post Office (historical) | Houghton | 1099 | Hancock |
| Freda Post Office (historical) | Freda Post Office (historical) | Houghton | 738 | Beacon Hill |
| Beacon Hill Post Office (historical) | Beacon Hill Post Office (historical) | Houghton | 751 | Beacon Hill |
| Baltic Post Office (historical) | Baltic Post Office (historical) | Houghton | 1106 | South Range |
| Atlantic Mine Post Office | Atlantic Mine Post Office | Houghton | 1050 | South Range |
| Askel Post Office (historical) | Askel Post Office (historical) | Houghton | 636 | Otter Lake |
| Alston Post Office (historical) | Alston Post Office (historical) | Houghton | 922 | Nisula |
| Adams Post Office (historical) | Adams Post Office (historical) | Houghton | Unknown | |
| Lake Linden Post Office | Lake Linden Post Office | Houghton | 623 | Laurium |
| Kenton Post Office (historical) | Kenton Post Office (historical) | Houghton | 1194 | Kenton |
| South Range Post Office | South Range Post Office | Houghton | 1125 | South Range |
| Chassell Post Office | Chassell Post Office | Houghton | 620 | Chassell |
| Sidnaw Post Office | Sidnaw Post Office | Houghton | 1371 | Sidnaw |
| Nisula Post Office | Nisula Post Office | Houghton | 1056 | Nisula |
| Painesdale Post Office | Painesdale Post Office | Houghton | 1270 | South Range |
| Laurium Post Office (historical) | Laurium Post Office (historical) | Houghton | 1230 | Laurium |
| Hubbell Post Office | Hubbell Post Office | Houghton | 623 | Laurium |
| Calumet Post Office | Calumet Post Office | Houghton | 1224 | Laurium |
| West Presquile Post Office (historical) | West Presquile Post Office (historical) | Ontonagon | Unknown | |
| Wainola Post Office (historical) | Wainola Post Office (historical) | Ontonagon | 1122 | McKeever |
| Victoria Post Office (historical) | Victoria Post Office (historical) | Ontonagon | 1152 | Rockland |
| Topaz Post Office (historical) | Topaz Post Office (historical) | Ontonagon | 1257 | Matchwood |
| Rousseau Post Office (historical) | Rousseau Post Office (historical) | Ontonagon | 1109 | Rousseau |
| Robbins Post Office (historical) | Robbins Post Office (historical) | Ontonagon | 1316 | Paulding |
| Pinex Post Office (historical) | Pinex Post Office (historical) | Ontonagon | Unknown | |
| Pewabic Post Office (historical) | Pewabic Post Office (historical) | Ontonagon | Unknown | |
| Peninsula Post Office (historical) | Peninsula Post Office (historical) | Ontonagon | Unknown | |
| Paynesville Post Office (historical) | Paynesville Post Office (historical) | Ontonagon | 1263 | Paynesville |
| Paulding Post Office (historical) | Paulding Post Office (historical) | Ontonagon | 1355 | Paulding |
| O'Brien Post Office (historical) | O'Brien Post Office (historical) | Ontonagon | Unknown | |
| Nonesuch Post Office (historical) | Nonesuch Post Office (historical) | Ontonagon | 928 | White Pine |
| Merriweather Post Office (historical) | Merriweather Post Office (historical) | Ontonagon | 1342 | Merriweather |
| Matchwood Post Office (historical) | Matchwood Post Office (historical) | Ontonagon | 1243 | Matchwood |
| Lake Mine Post Office (historical) | Lake Mine Post Office (historical) | Ontonagon | 1001 | Greenland |
| Lake Gogebic Post Office (historical) | Lake Gogebic Post Office (historical) | Ontonagon | 1302 | Bergland |
| Green Post Office (historical) | Green Post Office (historical) | Ontonagon | 620 | Green |
| Garlick Post Office (historical) | Garlick Post Office (historical) | Ontonagon | Unknown | |
| Flintsteel Post Office (historical) | Flintsteel Post Office (historical) | Ontonagon | Unknown | |
| East Branch Post Office (historical) | East Branch Post Office (historical) | Ontonagon | Unknown | |
| Choate Post Office (historical) | Choate Post Office (historical) | Ontonagon | 1188 | Choate |
| Bohemian Post Office (historical) | Bohemian Post Office (historical) | Ontonagon | Unknown | |
| Calderwood Post Office (historical) | Calderwood Post Office (historical) | Ontonagon | 1493 | Trout Creek |
| Beaser Post Office (historical) | Beaser Post Office (historical) | Ontonagon | Unknown | |
| Barclay Post Office (historical) | Barclay Post Office (historical) | Ontonagon | Unknown | |
| Agate Post Office (historical) | Agate Post Office (historical) | Ontonagon | 1191 | Trout Creek |
| Adventure Post Office (historical) | Adventure Post Office (historical) | Ontonagon | Unknown | |
| Trout Creek Post Office | Trout Creek Post Office | Ontonagon | 1175 | Trout Creek |
| Rockland Post Office | Rockland Post Office | Ontonagon | 1175 | Rockland |
| Bergland Post Office | Bergland Post Office | Ontonagon | 1316 | Bergland |
| Ontonagon Post Office | Ontonagon Post Office | Ontonagon | 610 | Ontonagon South |
| Bruce Crossing Post Office | Bruce Crossing Post Office | Ontonagon | 1138 | Bruce Crossing |
| White Pine Post Office | White Pine Post Office | Ontonagon | 892 | White Pine |
| Mass City Post Office | Mass City Post Office | Ontonagon | 1070 | Greenland |
| Greenland Post Office | Greenland Post Office | Ontonagon | 1165 | Greenland |
| Ewen Post Office | Ewen Post Office | Ontonagon | 1135 | Ewen |
| Kilton Post Office (historical) | Kilton Post Office (historical) | Gogebic | 1312 | Tula |
| Duke Post Office (historical) | Duke Post Office (historical) | Gogebic | 1325 | Tula |
| Bonifas Post Office (historical) | Bonifas Post Office (historical) | Gogebic | 1640 | Watersmeet |
| Twecoma Post Office (historical) | Twecoma Post Office (historical) | Gogebic | Unknown | |
| Tula Post Office (historical) | Tula Post Office (historical) | Gogebic | 1335 | Tula |
| Verona Post Office (historical) | Verona Post Office (historical) | Gogebic | 1535 | Wakefield |
| Thomaston Post Office (historical) | Thomaston Post Office (historical) | Gogebic | 1352 | Thomaston |
| Strom Post Office (historical) | Strom Post Office (historical) | Gogebic | Unknown | |
| Puritan Post Office (historical) | Puritan Post Office (historical) | Gogebic | 1562 | Bessemer |
| Montreal Post Office (historical) | Montreal Post Office (historical) | Gogebic | 1253 | North Ironwood |
| Jessieville Post Office (historical) | Jessieville Post Office (historical) | Gogebic | 1670 | Ironwood |
| Hillcrest Post Office (historical) | Hillcrest Post Office (historical) | Gogebic | 1378 | Ironwood |
| Goodyear Post Office (historical) | Goodyear Post Office (historical) | Gogebic | Unknown | |
| Gogebic Post Office (historical) | Gogebic Post Office (historical) | Gogebic | 1532 | Gogebic |
| Dunham Post Office (historical) | Dunham Post Office (historical) | Gogebic | 1549 | Wakefield NE |
| Carlson Post Office (historical) | Carlson Post Office (historical) | Gogebic | 1575 | Watersmeet |
| Blue Bill Post Office (historical) | Blue Bill Post Office (historical) | Gogebic | Unknown | |
| Black River Harbor Post Office (historical) | Black River Harbor Post Office (historical) | Gogebic | 604 | Black River Harbor |
| Anvil Location Post Office (historical) | Anvil Location Post Office (historical) | Gogebic | 1604 | Bessemer |
| Watersmeet Post Office | Watersmeet Post Office | Gogebic | 1621 | Watersmeet |
| Wakefield Post Office | Wakefield Post Office | Gogebic | 1552 | Wakefield |
| Marenisco Post Office | Marenisco Post Office | Gogebic | 1516 | Marenisco |
| Ironwood Post Office | Ironwood Post Office | Gogebic | 1506 | Ironwood |
| Ramsay Post Office | Ramsay Post Office | Gogebic | 1440 | Bessemer |
| Bessemer Post Office | Bessemer Post Office | Gogebic | 1437 | Bessemer |
| Kingsford Post Office | Kingsford Post Office | Dickinson | 1109 | Iron Mountain |
| Iron Mountain Post Office | Iron Mountain Post Office | Dickinson | 1135 | Iron Mountain |
| Floodwood Post Office (historical) | Floodwood Post Office (historical) | Dickinson | 1424 | Channing |
| Youngs Post Office (historical) | Youngs Post Office (historical) | Dickinson | Unknown | |
| Waucedah Post Office (historical) | Waucedah Post Office (historical) | Dickinson | 896 | Waucedah |
| Richardsburg Post Office (historical) | Richardsburg Post Office (historical) | Dickinson | 1122 | Norway |
| Randville Post Office (historical) | Randville Post Office (historical) | Dickinson | 1263 | Randville |
| Ralph Post Office (historical) | Ralph Post Office (historical) | Dickinson | 1138 | Ralph |
| Metropolitan Post Office (historical) | Metropolitan Post Office (historical) | Dickinson | 1243 | Carney Lake |
| Loretto Post Office (historical) | Loretto Post Office (historical) | Dickinson | 899 | Vulcan |
| Hardwood Post Office (historical) | Hardwood Post Office (historical) | Dickinson | 1033 | Foster City |
| Granite Bluff Post Office (historical) | Granite Bluff Post Office (historical) | Dickinson | 1194 | Randville |
| Alfred Post Office (historical) | Alfred Post Office (historical) | Dickinson | 1093 | Alfred |
| Vulcan Post Office | Vulcan Post Office | Dickinson | 958 | Vulcan |
| Sagola Post Office | Sagola Post Office | Dickinson | 1437 | Sagola |
| Quinnesec Post Office | Quinnesec Post Office | Dickinson | 1040 | Norway |
| Norway Post Office | Norway Post Office | Dickinson | 938 | Norway |
| Foster City Post Office | Foster City Post Office | Dickinson | 1030 | Foster City |
| Felch Post Office | Felch Post Office | Dickinson | 1194 | Felch |
| Channing Post Office | Channing Post Office | Dickinson | 1398 | Channing |
| L'Anse Post Office | L'Anse Post Office | Baraga | 614 | L'Anse |
| Zeba Post Office (historical) | Zeba Post Office (historical) | Baraga | 732 | L'Anse |
| Spurr Mountain Post Office (historical) | Spurr Mountain Post Office (historical) | Baraga | 1601 | Three Lakes |
| Redruth Post Office (historical) | Redruth Post Office (historical) | Baraga | 1621 | Three Lakes |
| Pequaming Post Office (historical) | Pequaming Post Office (historical) | Baraga | 623 | L'Anse |
| Newtonville Post Office (historical) | Newtonville Post Office (historical) | Baraga | 636 | Portage Entry |
| Nestoria Post Office (historical) | Nestoria Post Office (historical) | Baraga | 1644 | Nestoria |
| Murphy Post Office (historical) | Murphy Post Office (historical) | Baraga | 1594 | Covington |
| Keweenaw Bay Post Office (historical) | Keweenaw Bay Post Office (historical) | Baraga | 676 | L'Anse |
| Huron Bay Post Office (historical) | Huron Bay Post Office (historical) | Baraga | Unknown | |
| Herman Post Office (historical) | Herman Post Office (historical) | Baraga | 1663 | Herman |
| Giddings Post Office (historical) | Giddings Post Office (historical) | Baraga | 876 | Bear Town |
| Aura Post Office (historical) | Aura Post Office (historical) | Baraga | 820 | Aura |
| Assinins Post Office (historical) | Assinins Post Office (historical) | Baraga | 656 | L'Anse |
| Arvon Post Office (historical) | Arvon Post Office (historical) | Baraga | 1060 | Skanee South |
| Arnheim Post Office (historical) | Arnheim Post Office (historical) | Baraga | 656 | Portage Entry |
| Watton Post Office | Watton Post Office | Baraga | 1463 | Covington |
| Skanee Post Office | Skanee Post Office | Baraga | 692 | Skanee North |
| Pelkie Post Office | Pelkie Post Office | Baraga | 663 | Pelkie |
| Baraga Post Office | Baraga Post Office | Baraga | 617 | L'Anse |
| Covington Post Office | Covington Post Office | Baraga | 1594 | Covington |
| Iron River Post Office | Iron River Post Office | Iron | 1512 | Iron River |
| Stambaugh Post Office | Stambaugh Post Office | Iron | 1611 | Iron River |
| Saunders Post Office (historical) | Saunders Post Office (historical) | Iron | 1444 | Gaastra |
| Pentoga Post Office (historical) | Pentoga Post Office (historical) | Iron | 1411 | Fortune Lakes |
| Paintriver Post Office (historical) | Paintriver Post Office (historical) | Iron | 1624 | Golden Lake |
| Net River Post Office (historical) | Net River Post Office (historical) | Iron | 1519 | Tunis |
| Maywood Post Office (historical) | Maywood Post Office (historical) | Iron | 1404 | Kiernan |
| Mastodon Mine Post Office (historical) | Mastodon Mine Post Office (historical) | Iron | 1483 | Crystal Falls |
| Mapleton Post Office (historical) | Mapleton Post Office (historical) | Iron | 1660 | Gaastra |
| Mansfield Post Office (historical) | Mansfield Post Office (historical) | Iron | 1381 | Lake Mary |
| Gibbs City Post Office (historical) | Gibbs City Post Office (historical) | Iron | 1483 | Gibbs City |
| Dunn Post Office (historical) | Dunn Post Office (historical) | Iron | 1499 | Crystal Falls |
| Clinch Post Office (historical) | Clinch Post Office (historical) | Iron | 1480 | Crystal Falls |
| Beechwood Post Office (historical) | Beechwood Post Office (historical) | Iron | 1591 | Beechwood |
| Balsam Post Office (historical) | Balsam Post Office (historical) | Iron | 1519 | Amasa |
| Crystal Falls Post Office | Crystal Falls Post Office | Iron | 1509 | Crystal Falls |
| Gaastra Post Office | Gaastra Post Office | Iron | 1663 | Gaastra |
| Caspian Post Office | Caspian Post Office | Iron | 1483 | Iron River |
| Amasa Post Office | Amasa Post Office | Iron | 1440 | Amasa |
| Alpha Post Office | Alpha Post Office | Iron | 1493 | Fortune Lakes |
| Negaunee Post Office | Negaunee Post Office | Marquette | 1378 | Negaunee |
| Marquette Post Office | Marquette Post Office | Marquette | 676 | Marquette |
| Ishpeming Post Office | Ishpeming Post Office | Marquette | 1414 | Ishpeming |
| Yalmar Post Office (historical) | Yalmar Post Office (historical) | Marquette | 778 | Skandia |
| Witch Lake Post Office (historical) | Witch Lake Post Office (historical) | Marquette | 1493 | Witch Lake |
| Turin Post Office (historical) | Turin Post Office (historical) | Marquette | 1089 | McFarland |
| Tilden Post Office (historical) | Tilden Post Office (historical) | Marquette | 1598 | Ishpeming |
| Swanzy Post Office (historical) | Swanzy Post Office (historical) | Marquette | 1145 | Gwinn |
| Suomi Post Office (historical) | Suomi Post Office (historical) | Marquette | Unknown | |
| Stoneville Post Office (historical) | Stoneville Post Office (historical) | Marquette | 1526 | Ishpeming |
| Stack Post Office (historical) | Stack Post Office (historical) | Marquette | 1109 | Helena |
| Sands Post Office (historical) | Sands Post Office (historical) | Marquette | 1201 | Sands |
| Sand River Post Office (historical) | Sand River Post Office (historical) | Marquette | 630 | Sand River |
| Ruse Post Office (historical) | Ruse Post Office (historical) | Marquette | Unknown | |
| Princeton Post Office (historical) | Princeton Post Office (historical) | Marquette | 1234 | Gwinn |
| Northland Post Office | Northland Post Office | Marquette | 1181 | Northland |
| New Dalton Post Office (historical) | New Dalton Post Office (historical) | Marquette | 843 | Skandia |
| Morgan Post Office (historical) | Morgan Post Office (historical) | Marquette | 1286 | Negaunee |
| National Mine Post Office (historical) | National Mine Post Office (historical) | Marquette | 1401 | Ishpeming |
| Mangum Post Office (historical) | Mangum Post Office (historical) | Marquette | 636 | Harvey |
| Humboldt Post Office (historical) | Humboldt Post Office (historical) | Marquette | 1542 | Republic |
| Huff Post Office (historical) | Huff Post Office (historical) | Marquette | Unknown | |
| Hogstrom Post Office (historical) | Hogstrom Post Office (historical) | Marquette | 1093 | Carlshend |
| Harperville Post Office (historical) | Harperville Post Office (historical) | Marquette | Unknown | |
| Greengarden Post Office (historical) | Greengarden Post Office (historical) | Marquette | 823 | Harvey |
| Eagle Mills Post Office (historical) | Eagle Mills Post Office (historical) | Marquette | 1283 | Negaunee |
| Dukes Post Office (historical) | Dukes Post Office (historical) | Marquette | 1089 | Carlshend |
| Diorite Post Office (historical) | Diorite Post Office (historical) | Marquette | 1572 | Diorite |
| Clowry Post Office (historical) | Clowry Post Office (historical) | Marquette | 1552 | Champion |
| Greenwood Furnace Post Office (historical) | Greenwood Furnace Post Office (historical) | Marquette | Unknown | |
| Clarksburg Post Office (historical) | Clarksburg Post Office (historical) | Marquette | 1535 | Greenwood |
| Carlshend Post Office (historical) | Carlshend Post Office (historical) | Marquette | 1152 | Carlshend |
| Birch Post Office (historical) | Birch Post Office (historical) | Marquette | 627 | Buckroe |
| Beacon Post Office (historical) | Beacon Post Office (historical) | Marquette | 1729 | Champion |
| Skandia Post Office | Skandia Post Office | Marquette | 906 | Skandia |
| Republic Post Office | Republic Post Office | Marquette | 1512 | Republic |
| Palmer Post Office | Palmer Post Office | Marquette | 1302 | Palmer |
| Michigamme Post Office | Michigamme Post Office | Marquette | 1585 | Michigamme |
| Little Lake Post Office | Little Lake Post Office | Marquette | 1132 | Little Lake |
| Harvey Post Office (historical) | Harvey Post Office (historical) | Marquette | 650 | Harvey |
| Gwinn Post Office | Gwinn Post Office | Marquette | 1099 | Gwinn |
| Champion Post Office | Champion Post Office | Marquette | 1591 | Champion |
| Big Bay Post Office | Big Bay Post Office | Marquette | 709 | Big Bay |
| Arnold Post Office (historical) | Arnold Post Office (historical) | Marquette | 1030 | Arnold |
| Southgate Post Office | Southgate Post Office | Wayne | 597 | Wyandotte |
| East Detroit Post Office | East Detroit Post Office | Macomb | 614 | Grosse Pointe |
| Farmington Hills Post Office | Farmington Hills Post Office | Oakland | 843 | Redford |
| Grosse Isle Post Office | Grosse Isle Post Office | Wayne | 594 | Wyandotte |
| Hamtramck Post Office | Hamtramck Post Office | Wayne | 627 | Highland Park |
| Hazel Park Post Office | Hazel Park Post Office | Oakland | 633 | Highland Park |
| Allen Park Post Office | Allen Park Post Office | Wayne | 597 | Dearborn |
| Dearborn Heights Post Office | Dearborn Heights Post Office | Wayne | 623 | Inkster |
| Dearborn Post Office | Dearborn Post Office | Wayne | 607 | Inkster |
| Dearborn Post Office | Dearborn Post Office | Wayne | 591 | Dearborn |
| River Rouge Post Office | River Rouge Post Office | Wayne | 581 | Dearborn |
| Romulus Post Office | Romulus Post Office | Wayne | 656 | Belleville |
| Inkster Post Office | Inkster Post Office | Wayne | 617 | Inkster |
| Keego Harbor Post Office | Keego Harbor Post Office | Oakland | 932 | Pontiac South |
| Melvindale Post Office | Melvindale Post Office | Wayne | 587 | Dearborn |
| Escanaba Post Office | Escanaba Post Office | Delta | 614 | Escanaba |
| Woodlawn Post Office (historical) | Woodlawn Post Office (historical) | Delta | 919 | Woodlawn |
| Winde Post Office (historical) | Winde Post Office (historical) | Delta | 797 | Perkins |
| Vans Winkle Post Office (historical) | Vans Winkle Post Office (historical) | Delta | Unknown | |
| Vans Harbor Post Office (historical) | Vans Harbor Post Office (historical) | Delta | 600 | Garden |
| Uno Post Office (historical) | Uno Post Office (historical) | Delta | 791 | Corner Lake |
| Stonington Post Office (historical) | Stonington Post Office (historical) | Delta | 620 | Peninsula Point |
| Schaffer Post Office (historical) | Schaffer Post Office (historical) | Delta | 778 | Schaffer |
| Osier Post Office (historical) | Osier Post Office (historical) | Delta | 846 | Rock SE |
| Ogonte Post Office (historical) | Ogonte Post Office (historical) | Delta | 617 | Ogontz |
| North Escabana Post Office (historical) | North Escabana Post Office (historical) | Delta | 627 | Gladstone |
| Newhall Post Office (historical) | Newhall Post Office (historical) | Delta | Unknown | |
| Masonville Post Office (historical) | Masonville Post Office (historical) | Delta | 604 | Rapid River |
| Saint Joseph's Post Office (historical) | Saint Joseph's Post Office (historical) | Delta | 650 | Saint Jacques |
| Wells Post Office | Wells Post Office | Delta | 604 | Gladstone |
| Rapid River Post Office | Rapid River Post Office | Delta | 591 | Rapid River |
| Rock Post Office | Rock Post Office | Delta | 968 | Rock |
| Perkins Post Office | Perkins Post Office | Delta | 781 | Perkins |
| Nahma Post Office | Nahma Post Office | Delta | 584 | Nahma |
| Gladstone Post Office | Gladstone Post Office | Delta | 607 | Gladstone |
| Garden Post Office | Garden Post Office | Delta | 607 | Garden |
| Cornell Post Office | Cornell Post Office | Delta | 817 | Cornell |
| Munising Post Office | Munising Post Office | Alger | 627 | Munising |
| Trenary Post Office | Trenary Post Office | Alger | 876 | Trenary |
| Shingleton Post Office | Shingleton Post Office | Alger | 827 | Shingleton |
| Bark River Post Office | Bark River Post Office | Delta | 741 | Bark River |
| Wetmore Post Office | Wetmore Post Office | Alger | 873 | Indian Town |
| Grand Marais Post Office | Grand Marais Post Office | Alger | 627 | Grand Marais |
| Limestone Post Office (historical) | Limestone Post Office (historical) | Alger | 909 | Chatham |
| Eben Junction Post Office | Eben Junction Post Office | Alger | 965 | Chatham |
| Deerton Post Office | Deerton Post Office | Alger | 728 | Sand River |
| Chatham Post Office | Chatham Post Office | Alger | 869 | Chatham |
| Au Train Post Office | Au Train Post Office | Alger | 610 | Au Train |
| Winters Post Office (historical) | Winters Post Office (historical) | Alger | 883 | Trenary |
| Youngs Post Office (historical) | Youngs Post Office (historical) | Alger | 902 | Nawakwa Lake |
| Tyoga Post Office (historical) | Tyoga Post Office (historical) | Alger | 689 | Sand River |
| Traunik Post Office | Traunik Post Office | Alger | 925 | Chatham |
| Sundell Post Office (historical) | Sundell Post Office (historical) | Alger | 1056 | Ladoga |
| Rumely Post Office (historical) | Rumely Post Office (historical) | Alger | 1056 | Ladoga |
| Rock River Post Office (historical) | Rock River Post Office (historical) | Alger | 610 | Rock River |
| Reedsboro Post Office (historical) | Reedsboro Post Office (historical) | Alger | 837 | Shingleton |
| Petrel Post Office (historical) | Petrel Post Office (historical) | Alger | 810 | Shingleton |
| Onota Post Office (historical) | Onota Post Office (historical) | Alger | 771 | Rock River |
| Melstrand Post Office (historical) | Melstrand Post Office (historical) | Alger | 928 | Melstrand |
| Jenney Post Office (historical) | Jenney Post Office (historical) | Alger | 935 | Juniper |
| Kiva Post Office (historical) | Kiva Post Office (historical) | Alger | 1010 | Ladoga |
| Hallston Post Office (historical) | Hallston Post Office (historical) | Alger | 712 | Munising |
| Gogarnville Post Office (historical) | Gogarnville Post Office (historical) | Alger | 614 | Munising |
| Forest Lake Post Office (historical) | Forest Lake Post Office (historical) | Alger | 814 | Forest Lake |
| Coalwood Post Office (historical) | Coalwood Post Office (historical) | Alger | 1007 | Powell Lake |
| Menominee Post Office | Menominee Post Office | Menominee | 584 | Marinette East |
| Whitney Post Office (historical) | Whitney Post Office (historical) | Menominee | 863 | Whitney |
| Vincent Post Office (historical) | Vincent Post Office (historical) | Menominee | Unknown | |
| Vesper Post Office (historical) | Vesper Post Office (historical) | Menominee | 961 | Cunard |
| Vandervest Post Office (historical) | Vandervest Post Office (historical) | Menominee | Unknown | |
| Talbot Post Office (historical) | Talbot Post Office (historical) | Menominee | 728 | Nadeau |
| Swanson Post Office (historical) | Swanson Post Office (historical) | Menominee | 761 | Swanson |
| Rapids Post Office (historical) | Rapids Post Office (historical) | Menominee | Unknown | |
| Nathan Post Office (historical) | Nathan Post Office (historical) | Menominee | 827 | Banat |
| Marsh Post Office (historical) | Marsh Post Office (historical) | Menominee | Unknown | |
| Little River Post Office (historical) | Little River Post Office (historical) | Menominee | 640 | Chappee Rapids |
| La Branche Post Office (historical) | La Branche Post Office (historical) | Menominee | 945 | La Branche |
| Koss Post Office (historical) | Koss Post Office (historical) | Menominee | 689 | Swanson |
| Kells Post Office (historical) | Kells Post Office (historical) | Menominee | 679 | Swanson |
| Ingallston Post Office (historical) | Ingallston Post Office (historical) | Menominee | 591 | Birch Creek |
| Gourley Post Office (historical) | Gourley Post Office (historical) | Menominee | 699 | Gourley |
| Fox Post Office (historical) | Fox Post Office (historical) | Menominee | 581 | Cedar River |
| Faunus Post Office (historical) | Faunus Post Office (historical) | Menominee | 961 | Helps |
| Faithorn Post Office (historical) | Faithorn Post Office (historical) | Menominee | 860 | Faithorn |
| Eustis Post Office (historical) | Eustis Post Office (historical) | Menominee | 814 | Schaffer |
| English Post Office (historical) | English Post Office (historical) | Menominee | 840 | Hermansville |
| Denis Post Office (historical) | Denis Post Office (historical) | Menominee | Unknown | |
| Carbondale Post Office (historical) | Carbondale Post Office (historical) | Menominee | 666 | Wallace |
| Brooks Post Office (historical) | Brooks Post Office (historical) | Menominee | 850 | Cunard |
| Blount Post Office (historical) | Blount Post Office (historical) | Menominee | 820 | Nadeau |
| Banat Post Office (historical) | Banat Post Office (historical) | Menominee | 791 | Banat |
| Bagley Post Office (historical) | Bagley Post Office (historical) | Menominee | 781 | Nadeau |
| Arthur Bay Post Office (historical) | Arthur Bay Post Office (historical) | Menominee | 581 | Arthur Bay |
| Wilson Post Office | Wilson Post Office | Menominee | 797 | Wilson |
| Wallace Post Office | Wallace Post Office | Menominee | 699 | Wallace |
| Stephenson Post Office | Stephenson Post Office | Menominee | 679 | Stephenson |
| Spalding Post Office | Spalding Post Office | Menominee | 850 | Hermansville |
| Powers Post Office | Powers Post Office | Menominee | 873 | Hermansville |
| Perronville Post Office | Perronville Post Office | Menominee | 810 | Schaffer |
| Ingalls Post Office | Ingalls Post Office | Menominee | 712 | Stephenson |
| Hermansville Post Office | Hermansville Post Office | Menominee | 902 | Hermansville |
| Harris Post Office | Harris Post Office | Menominee | 781 | Bark River |
| Dagget Post Office | Dagget Post Office | Menominee | 699 | Stephenson |
| Cedar River Post Office (historical) | Cedar River Post Office (historical) | Menominee | 581 | Cedar River |
| Nadeau Post Office | Nadeau Post Office | Menominee | 817 | Nadeau |
| Carney Post Office | Carney Post Office | Menominee | 810 | Nadeau |
| Malton Post Office (historical) | Malton Post Office (historical) | Delta | Unknown | |
| Lathrop Post Office (historical) | Lathrop Post Office (historical) | Delta | 1037 | McFarland |
| Kipling Post Office (historical) | Kipling Post Office (historical) | Delta | 591 | Gladstone |
| Isabella Post Office (historical) | Isabella Post Office (historical) | Delta | 620 | Garden Corners |
| Hyde Post Office (historical) | Hyde Post Office (historical) | Delta | 689 | Ford River |
| Groos Post Office (historical) | Groos Post Office (historical) | Delta | 679 | Gladstone |
| Garth Post Office (historical) | Garth Post Office (historical) | Delta | 591 | Rapid River |
| Ford River Post Office (historical) | Ford River Post Office (historical) | Delta | 584 | Ford River |
| Ensign Post Office (historical) | Ensign Post Office (historical) | Delta | 709 | Ensign |
| Edwin Post Office (historical) | Edwin Post Office (historical) | Delta | 591 | Ogontz |
| Delton Post Office (historical) | Delton Post Office (historical) | Delta | Unknown | |
| Defiance Post Office (historical) | Defiance Post Office (historical) | Delta | 866 | Rock |
| Brampton Post Office (historical) | Brampton Post Office (historical) | Delta | 738 | Perkins |
| Bay de Noquette Post Office (historical) | Bay de Noquette Post Office (historical) | Delta | Unknown | |
| Willwalk Post Office (historical) | Willwalk Post Office (historical) | Chippewa | Unknown | |
| Wellsburg Post Office (historical) | Wellsburg Post Office (historical) | Chippewa | 738 | Dollar Settlement |
| Vermilion Post Office (historical) | Vermilion Post Office (historical) | Chippewa | 614 | Vermilion |
| Tone Post Office (historical) | Tone Post Office (historical) | Chippewa | 646 | Pickford |
| Trombly Post Office (historical) | Trombly Post Office (historical) | Chippewa | Unknown | |
| Sugar Island Post Office (historical) | Sugar Island Post Office (historical) | Chippewa | Unknown | |
| Strongville Post Office (historical) | Strongville Post Office (historical) | Chippewa | Unknown | |
| Strongs Post Office (historical) | Strongs Post Office (historical) | Chippewa | 820 | Strongs |
| Stirlingville Post Office (historical) | Stirlingville Post Office (historical) | Chippewa | 623 | Pickford |
| Stalwart Post Office | Stalwart Post Office | Chippewa | 702 | Stalwart |
| Shelldrake Post Office (historical) | Shelldrake Post Office (historical) | Chippewa | 604 | Shelldrake |
| Seewhy Post Office (historical) | Seewhy Post Office (historical) | Chippewa | 722 | Eckerman |
| Schlesser Post Office (historical) | Schlesser Post Office (historical) | Chippewa | 712 | Goetzville |
| Scammon Post Office (historical) | Scammon Post Office (historical) | Chippewa | 584 | Marble Head |
| Rosedale Post Office (historical) | Rosedale Post Office (historical) | Chippewa | 636 | Sault Ste. Marie South |
| Rockview Post Office (historical) | Rockview Post Office (historical) | Chippewa | 850 | Pickford SE |
| Raco Post Office | Raco Post Office | Chippewa | 840 | Raco |
| Raber Post Office (historical) | Raber Post Office (historical) | Chippewa | 597 | Goetzville |
| Payment Post Office (historical) | Payment Post Office (historical) | Chippewa | 587 | Payment |
| Oak Ridge Park Post Office (historical) | Oak Ridge Park Post Office (historical) | Chippewa | 584 | Oak Ridge |
| Nowesco Post Office (historical) | Nowesco Post Office (historical) | Chippewa | Unknown | |
| Neebish Post Office (historical) | Neebish Post Office (historical) | Chippewa | 600 | Oak Ridge OE E |
| Munuscong Post Office (historical) | Munuscong Post Office (historical) | Chippewa | 587 | Munuscong |
| McVille Post Office (historical) | McVille Post Office (historical) | Chippewa | Unknown | |
| Maxton Post Office (historical) | Maxton Post Office (historical) | Chippewa | 600 | Drummond |
| McCarron Post Office (historical) | McCarron Post Office (historical) | Chippewa | 636 | Barbeau |
| Lime Island Post Office (historical) | Lime Island Post Office (historical) | Chippewa | 607 | Goetzville |
| Larch Post Office (historical) | Larch Post Office (historical) | Chippewa | Unknown | |
| Laramie Post Office (historical) | Laramie Post Office (historical) | Chippewa | Unknown | |
| Kelden Post Office (historical) | Kelden Post Office (historical) | Chippewa | 597 | Pickford |
| Johns Wood Post Office (historical) | Johns Wood Post Office (historical) | Chippewa | 594 | Marble Head |
| Iroquois Post Office (historical) | Iroquois Post Office (historical) | Chippewa | 604 | Dollar Settlement |
| Homestead Post Office (historical) | Homestead Post Office (historical) | Chippewa | 587 | Oak Ridge OE E |
| Haff Post Office (historical) | Haff Post Office (historical) | Chippewa | 761 | Ozark NE |
| Emerson Post Office (historical) | Emerson Post Office (historical) | Chippewa | 604 | Emerson |
| Fibre Post Office (historical) | Fibre Post Office (historical) | Chippewa | 699 | Fibre |
| Dryburg Post Office (historical) | Dryburg Post Office (historical) | Chippewa | 686 | Fibre |
| Donaldson Post Office (historical) | Donaldson Post Office (historical) | Chippewa | 692 | Barbeau |
| Pittsburg Landing Post Office (hist) (historical) | Pittsburg Landing Post Office (hist) (historical) | Chippewa | Unknown | |
| Big River Post Office (historical) | Big River Post Office (historical) | Delta | 584 | Ogontz |
| Sault Ste Marie Post Office | Sault Ste Marie Post Office | Chippewa | 610 | Sault Ste. Marie South |
| Trout Lake Post Office | Trout Lake Post Office | Chippewa | 837 | Trout Lake |
| Rudyard Post Office | Rudyard Post Office | Chippewa | 682 | Rudyard |
| Pickford Post Office | Pickford Post Office | Chippewa | 607 | Pickford |
| Paradise Post Office | Paradise Post Office | Chippewa | 623 | Emerson |
| Kinross Post Office | Kinross Post Office | Chippewa | 751 | Kinross |
| Goetzville Post Office | Goetzville Post Office | Chippewa | 741 | Goetzville |
| Hulbert Post Office | Hulbert Post Office | Chippewa | 814 | Hulbert |
| Eckerman Post Office | Eckerman Post Office | Chippewa | 774 | Eckerman |
| De Tour Village Post Office | De Tour Village Post Office | Chippewa | 607 | De Tour Village |
| Dafter Post Office | Dafter Post Office | Chippewa | 689 | Dafter |
| Brimley Post Office | Brimley Post Office | Chippewa | 656 | Brimley |
| Dick Post Office (historical) | Dick Post Office (historical) | Chippewa | 797 | Ozark NE |
| Brassar Post Office (historical) | Brassar Post Office (historical) | Chippewa | 735 | Payment |
| Bay Mills Post Office (historical) | Bay Mills Post Office (historical) | Chippewa | 604 | Brimley |
| Dell Post Office (historical) | Dell Post Office (historical) | Chippewa | Unknown | |
| Bursaw Post Office (historical) | Bursaw Post Office (historical) | Chippewa | Unknown | |
| Baie de Wasai Post Office (historical) | Baie de Wasai Post Office (historical) | Chippewa | 604 | Baie de Wasai |
| Barbeau Post Office (historical) | Barbeau Post Office (historical) | Chippewa | 656 | Barbeau |
| Whitefish Point Post Office (historical) | Whitefish Point Post Office (historical) | Chippewa | 610 | Whitefish Point |
| Flat Rock Post Office (historical) | Flat Rock Post Office (historical) | Chippewa | 771 | Chandler |
| Walsh Post Office (historical) | Walsh Post Office (historical) | Schoolcraft | 781 | Walsh |
| Thompson Post Office (historical) | Thompson Post Office (historical) | Schoolcraft | 604 | Manistique West |
| Steuben Post Office (historical) | Steuben Post Office (historical) | Schoolcraft | 738 | Steuben |
| South Manistique Post Office (historical) | South Manistique Post Office (historical) | Schoolcraft | 594 | Manistique West |
| Seney Post Office | Seney Post Office | Schoolcraft | 735 | Seney |
| Parkington Post Office (historical) | Parkington Post Office (historical) | Schoolcraft | 650 | Blaney Park |
| Little Harbor Post Office (historical) | Little Harbor Post Office (historical) | Schoolcraft | 607 | Hiram Point |
| Hiawatha Post Office (historical) | Hiawatha Post Office (historical) | Schoolcraft | 728 | Hiawatha |
| Cusino Post Office (historical) | Cusino Post Office (historical) | Schoolcraft | 879 | Cusino |
| Calspar Post Office (historical) | Calspar Post Office (historical) | Schoolcraft | 689 | Blaney Park |
| Blaney Park Post Office (historical) | Blaney Park Post Office (historical) | Schoolcraft | 738 | Blaney Park |
| Manistique Post Office | Manistique Post Office | Schoolcraft | 594 | Manistique East |
| Gulliver Post Office | Gulliver Post Office | Schoolcraft | 620 | Gulliver |
| Germfask Post Office | Germfask Post Office | Schoolcraft | 682 | Germfask |
| Cooks Post Office | Cooks Post Office | Schoolcraft | 702 | Cooks |
| Wilwin Post Office (historical) | Wilwin Post Office (historical) | Mackinac | 850 | Trout Lake |
| Viola Post Office (historical) | Viola Post Office (historical) | Mackinac | 768 | Gould City |
| Simmons Post Office (historical) | Simmons Post Office (historical) | Mackinac | Unknown | |
| Sand Bay Post Office (historical) | Sand Bay Post Office (historical) | Mackinac | 600 | Round Island |
| Rexton Post Office (historical) | Rexton Post Office (historical) | Mackinac | 856 | Rexton |
| Rapinville Post Office (historical) | Rapinville Post Office (historical) | Mackinac | Unknown | |
| Prentis Bay Post Office (historical) | Prentis Bay Post Office (historical) | Mackinac | 600 | Prentiss Bay |
| Point Catosh Post Office (historical) | Point Catosh Post Office (historical) | Mackinac | 581 | Round Island |
| Pike Lake Post Office (historical) | Pike Lake Post Office (historical) | Mackinac | 738 | Milakokia Lake |
| Ozark Post Office (historical) | Ozark Post Office (historical) | Mackinac | 850 | Ozark |
| Orville Post Office (historical) | Orville Post Office (historical) | Mackinac | 614 | Point Patterson |
| Meyer Post Office (historical) | Meyer Post Office (historical) | Mackinac | Unknown | |
| McKesson Post Office (historical) | McKesson Post Office (historical) | Mackinac | Unknown | |
| Les Cheneaux Club Post Office (historical) | Les Cheneaux Club Post Office (historical) | Mackinac | 594 | Goose Island |
| Kenneth Post Office (historical) | Kenneth Post Office (historical) | Mackinac | 791 | Kenneth |
| Islington Post Office (historical) | Islington Post Office (historical) | Mackinac | 600 | Cedarville |
| Huntspur Post Office (historical) | Huntspur Post Office (historical) | Mackinac | 682 | Milakokia Lake |
| Hendricks Quarry Post Office (historical) | Hendricks Quarry Post Office (historical) | Mackinac | 886 | Garnet |
| Groscap Post Office (historical) | Groscap Post Office (historical) | Mackinac | 581 | McGulpin Point |
| Gilchrist Post Office (historical) | Gilchrist Post Office (historical) | Mackinac | 774 | Gilchrist |
| Fiborn Quarry Post Office (historical) | Fiborn Quarry Post Office (historical) | Mackinac | 830 | Rexton |
| Diller Post Office (historical) | Diller Post Office (historical) | Mackinac | 741 | Curtis West |
| Donald Post Office (historical) | Donald Post Office (historical) | Mackinac | Unknown | |
| Charles Post Office (historical) | Charles Post Office (historical) | Mackinac | 594 | Charles |
| Coryell Islands Post Office (historical) | Coryell Islands Post Office (historical) | Mackinac | 581 | Cedarville |
| Caffey Post Office (historical) | Caffey Post Office (historical) | Mackinac | 860 | Rexton |
| Brevort Post Office (historical) | Brevort Post Office (historical) | Mackinac | 597 | Brevort |
| Bovee Post Office (historical) | Bovee Post Office (historical) | Mackinac | 735 | Gould City |
| Boisblanc Post Office (historical) | Boisblanc Post Office (historical) | Mackinac | 587 | McRae Bay |
| Beach Post Office (historical) | Beach Post Office (historical) | Mackinac | 607 | Cedarville |
| Allenville Post Office (historical) | Allenville Post Office (historical) | Mackinac | 699 | Moran |
| Garnet Post Office (historical) | Garnet Post Office (historical) | Mackinac | 840 | Garnet |
| Saint Ignace Post Office | Saint Ignace Post Office | Mackinac | 591 | Saint Ignace |
| Hessel Post Office | Hessel Post Office | Mackinac | 591 | Hessel |
| Naubinway Post Office | Naubinway Post Office | Mackinac | 610 | Naubinway |
| Moran Post Office | Moran Post Office | Mackinac | 705 | Moran |
| Gould City Post Office | Gould City Post Office | Mackinac | 741 | Gould City |
| Engadine Post Office | Engadine Post Office | Mackinac | 673 | Engadine |
| Curtis Post Office | Curtis Post Office | Mackinac | 692 | Curtis East |
| Cedarville Post Office | Cedarville Post Office | Mackinac | 591 | Cedarville |
| Mackinac Island Post Office | Mackinac Island Post Office | Mackinac | 597 | Round Island |
| Harbor Springs Post Office | Harbor Springs Post Office | Emmet | 600 | Harbor Springs |
| Pellston Post Office | Pellston Post Office | Emmet | 699 | Pellston |
| Levering Post Office | Levering Post Office | Emmet | 768 | Levering |
| Cross Village Post Office | Cross Village Post Office | Emmet | 659 | Cross Village |
| Conway Post Office | Conway Post Office | Emmet | 600 | Alanson |
| Carp Lake Post Office | Carp Lake Post Office | Emmet | 722 | Levering |
| Brutus Post Office | Brutus Post Office | Emmet | 686 | Alanson |
| Bay View Post Office (historical) | Bay View Post Office (historical) | Emmet | 617 | Harbor Springs |
| Alanson Post Office | Alanson Post Office | Emmet | 607 | Alanson |
| Van Post Office (historical) | Van Post Office (historical) | Emmet | 732 | Pellston |
| Sturgeon Bay Post Office (historical) | Sturgeon Bay Post Office (historical) | Emmet | 591 | Bliss |
| Readmond Post Office (historical) | Readmond Post Office (historical) | Emmet | 925 | Good Hart |
| Pleasantview Post Office (historical) | Pleasantview Post Office (historical) | Emmet | 741 | Larks Lake |
| Maplewood Post Office (historical) | Maplewood Post Office (historical) | Emmet | Unknown | |
| Mossville Post Office (historical) | Mossville Post Office (historical) | Emmet | Unknown | |
| Lonsdale Post Office (historical) | Lonsdale Post Office (historical) | Emmet | Unknown | |
| Littlefield Post Office (historical) | Littlefield Post Office (historical) | Emmet | 994 | Epsilon |
| Larks Post Office (historical) | Larks Post Office (historical) | Emmet | 758 | Larks Lake |
| Lakewood Post Office (historical) | Lakewood Post Office (historical) | Emmet | Unknown | |
| Lakegrove Post Office (historical) | Lakegrove Post Office (historical) | Emmet | 702 | Bay Shore |
| Joy Post Office (historical) | Joy Post Office (historical) | Emmet | Unknown | |
| Good Hart Post Office (historical) | Good Hart Post Office (historical) | Emmet | 699 | Good Hart |
| Hughart Post Office (historical) | Hughart Post Office (historical) | Emmet | Unknown | |
| Epsilon Post Office (historical) | Epsilon Post Office (historical) | Emmet | 702 | Epsilon |
| Ely Post Office (historical) | Ely Post Office (historical) | Emmet | 722 | Pellston |
| Cecil Post Office (historical) | Cecil Post Office (historical) | Emmet | 591 | Levering |
| Carpenter Post Office (historical) | Carpenter Post Office (historical) | Emmet | 814 | Bay Shore |
| Canby Post Office (historical) | Canby Post Office (historical) | Emmet | 745 | Bliss |
| Bliss Post Office (historical) | Bliss Post Office (historical) | Emmet | 764 | Bliss |
| Ayr Post Office (historical) | Ayr Post Office (historical) | Emmet | 1001 | Alanson |
| Appleton Post Office (historical) | Appleton Post Office (historical) | Emmet | Unknown | |
| Newberry Post Office | Newberry Post Office | Luce | 771 | Newberry |
| Soo Junction Post Office (historical) | Soo Junction Post Office (historical) | Luce | 709 | Soo Junction |
| Seabrook Post Office (historical) | Seabrook Post Office (historical) | Luce | 715 | Hardwood Island |
| Laketon Post Office (historical) | Laketon Post Office (historical) | Luce | 771 | McMillan |
| Helmer Post Office (historical) | Helmer Post Office (historical) | Luce | 689 | McMillan |
| Ennis Post Office (historical) | Ennis Post Office (historical) | Luce | Unknown | |
| Dollarville Post Office (historical) | Dollarville Post Office (historical) | Luce | 722 | Newberry |
| Deerpark Post Office (historical) | Deerpark Post Office (historical) | Luce | 640 | Muskallonge Lake East |
| McMillan Post Office | McMillan Post Office | Luce | 778 | McMillan |
| Undine Post Office (historical) | Undine Post Office (historical) | Charlevoix | 686 | Ironton |
| Troutdale Post Office (historical) | Troutdale Post Office (historical) | Charlevoix | Unknown | |
| Success Post Office (historical) | Success Post Office (historical) | Charlevoix | Unknown | |
| South Arm Post Office (historical) | South Arm Post Office (historical) | Charlevoix | 659 | Ellsworth |
| Saint James Post Office | Saint James Post Office | Charlevoix | 604 | Garden Island West |
| Raymond Post Office (historical) | Raymond Post Office (historical) | Charlevoix | Unknown | |
| Phelps Post Office (historical) | Phelps Post Office (historical) | Charlevoix | 738 | Atwood |
| Norwood Post Office (historical) | Norwood Post Office (historical) | Charlevoix | 656 | Atwood OE W |
| Nomad Post Office (historical) | Nomad Post Office (historical) | Charlevoix | 597 | Beaver Island South |
| Ironton Post Office (historical) | Ironton Post Office (historical) | Charlevoix | 617 | Ironton |
| Inwood Post Office (historical) | Inwood Post Office (historical) | Charlevoix | 774 | Charlevoix |
| Intermediate Post Office (historical) | Intermediate Post Office (historical) | Charlevoix | 682 | Ellsworth |
| Horton Bay Post Office (historical) | Horton Bay Post Office (historical) | Charlevoix | 673 | Bay Shore |
| High Island Post Office (historical) | High Island Post Office (historical) | Charlevoix | 620 | High Island |
| Eveline Post Office (historical) | Eveline Post Office (historical) | Charlevoix | Unknown | |
| Embo Post Office (historical) | Embo Post Office (historical) | Charlevoix | Unknown | |
| Sedan Post Office (historical) | Sedan Post Office (historical) | Charlevoix | 761 | Boyne City |
| Rock Elm Post Office (historical) | Rock Elm Post Office (historical) | Charlevoix | 689 | Ellsworth |
| Dwight Post Office (historical) | Dwight Post Office (historical) | Charlevoix | 607 | Ellsworth |
| Thumb Lake Post Office (historical) | Thumb Lake Post Office (historical) | Charlevoix | 1053 | Thumb Lake |
| Dot Post Office (historical) | Dot Post Office (historical) | Charlevoix | 948 | Epsilon |
| Clarion Post Office (historical) | Clarion Post Office (historical) | Charlevoix | 702 | Petoskey |
| Buss Post Office (historical) | Buss Post Office (historical) | Charlevoix | Unknown | |
| Burgess Post Office (historical) | Burgess Post Office (historical) | Charlevoix | 689 | Ironton |
| Belvedere Post Office (historical) | Belvedere Post Office (historical) | Charlevoix | 620 | Charlevoix |
| Bedwin Post Office (historical) | Bedwin Post Office (historical) | Charlevoix | 692 | Ironton |
| Baysprings Post Office (historical) | Baysprings Post Office (historical) | Charlevoix | 650 | Boyne City |
| Barnard Post Office (historical) | Barnard Post Office (historical) | Charlevoix | 761 | Charlevoix |
| Afton Post Office (historical) | Afton Post Office (historical) | Charlevoix | Unknown | |
| Advance Post Office (historical) | Advance Post Office (historical) | Charlevoix | 587 | Boyne City |
| Charlevoix Post Office | Charlevoix Post Office | Charlevoix | 627 | Charlevoix |
| Boyne City Post Office | Boyne City Post Office | Charlevoix | 591 | Boyne City |
| Walloon Lake Post Office | Walloon Lake Post Office | Charlevoix | 732 | Petoskey |
| Boyne Falls Post Office | Boyne Falls Post Office | Charlevoix | 715 | Boyne Falls |
| East Jordan Post Office | East Jordan Post Office | Charlevoix | 623 | Ellsworth |
| Bay Shore Post Office (historical) | Bay Shore Post Office (historical) | Charlevoix | 673 | Bay Shore |
| Cheboygan Post Office | Cheboygan Post Office | Cheboygan | 587 | Cheboygan |
| Mullett Lake Post Office | Mullett Lake Post Office | Cheboygan | 600 | Mullett Lake |
| Wolverine Post Office | Wolverine Post Office | Cheboygan | 807 | Wolverine |
| Mackinaw City Post Office | Mackinaw City Post Office | Cheboygan | 591 | Saint Ignace |
| Tower Post Office | Tower Post Office | Cheboygan | 722 | Tower |
| Topinabee Post Office | Topinabee Post Office | Cheboygan | 610 | Indian River |
| Indian River Post Office | Indian River Post Office | Cheboygan | 696 | Indian River |
| Wildwood Post Office (historical) | Wildwood Post Office (historical) | Cheboygan | 732 | Wildwood |
| Trowbridge Post Office (historical) | Trowbridge Post Office (historical) | Cheboygan | 840 | Green Timbers |
| Rondo Post Office (historical) | Rondo Post Office (historical) | Cheboygan | 735 | Wolverine |
| Riggsville Post Office (historical) | Riggsville Post Office (historical) | Cheboygan | 745 | Mullett Lake |
| Paradise Post Office (historical) | Paradise Post Office (historical) | Cheboygan | Unknown | |
| Midway Post Office (historical) | Midway Post Office (historical) | Cheboygan | 771 | Tower |
| Manning Post Office (historical) | Manning Post Office (historical) | Cheboygan | 640 | Manning |
| Longpoint Post Office (historical) | Longpoint Post Office (historical) | Cheboygan | 600 | Mullett Lake |
| Legrand Post Office (historical) | Legrand Post Office (historical) | Cheboygan | 741 | Legrand |
| Koehler Post Office (historical) | Koehler Post Office (historical) | Cheboygan | 614 | Indian River |
| Weadock Post Office (historical) | Weadock Post Office (historical) | Cheboygan | 768 | Indianville |
| Hebron Post Office (historical) | Hebron Post Office (historical) | Cheboygan | 748 | Freedom |
| Haakwood Post Office (historical) | Haakwood Post Office (historical) | Cheboygan | 745 | Wolverine |
| Geyersville Post Office (historical) | Geyersville Post Office (historical) | Cheboygan | Unknown | |
| Freedom Post Office (historical) | Freedom Post Office (historical) | Cheboygan | 627 | Freedom |
| Duncan Post Office (historical) | Duncan Post Office (historical) | Cheboygan | 587 | Cheboygan |
| Dow Post Office (historical) | Dow Post Office (historical) | Cheboygan | Unknown | |
| Diver Post Office (historical) | Diver Post Office (historical) | Cheboygan | Unknown | |
| Cornwell Post Office (historical) | Cornwell Post Office (historical) | Cheboygan | 873 | Hardwood Lake |
| Burt Post Office (historical) | Burt Post Office (historical) | Cheboygan | Unknown | |
| Buckhorn Post Office (historical) | Buckhorn Post Office (historical) | Cheboygan | Unknown | |
| Bryants Post Office (historical) | Bryants Post Office (historical) | Cheboygan | 715 | Indianville |
| Ball Post Office (historical) | Ball Post Office (historical) | Cheboygan | Unknown | |
| Arva Post Office (historical) | Arva Post Office (historical) | Cheboygan | Unknown | |
| Alverno Post Office (historical) | Alverno Post Office (historical) | Cheboygan | 682 | Aloha |
| Aloha Post Office (historical) | Aloha Post Office (historical) | Cheboygan | 604 | Aloha |
| Afton Post Office (historical) | Afton Post Office (historical) | Cheboygan | 787 | Afton |
| Petoskey Post Office | Petoskey Post Office | Emmet | 682 | Petoskey |
| Spring Vale Post Office (historical) | Spring Vale Post Office (historical) | Charlevoix | 1152 | Thumb Lake |
| Rogers City Post Office | Rogers City Post Office | Presque Isle | 607 | Rogers City |
| Benton Harbor Post Office | Benton Harbor Post Office | Berrien | 587 | Benton Harbor |
| Southrogers Post Office (historical) | Southrogers Post Office (historical) | Presque Isle | 810 | Metz |
| Sobieski Post Office (historical) | Sobieski Post Office (historical) | Presque Isle | 748 | Polaski |
| Quarry Post Office (historical) | Quarry Post Office (historical) | Presque Isle | 620 | Rogers City |
| Harbert Post Office | Harbert Post Office | Berrien | 630 | New Buffalo East |
| Ocqueoc Post Office (historical) | Ocqueoc Post Office (historical) | Presque Isle | 768 | Ocqueoc |
| Galien Post Office | Galien Post Office | Berrien | 686 | Galien |
| Nagel Post Office (historical) | Nagel Post Office (historical) | Presque Isle | 823 | Metz |
| Metz Post Office (historical) | Metz Post Office (historical) | Presque Isle | 827 | Metz |
| Baroda Post Office | Baroda Post Office | Berrien | 640 | Baroda |
| Hammond Post Office (historical) | Hammond Post Office (historical) | Presque Isle | 584 | Ocqueoc |
| Hagensville Post Office (historical) | Hagensville Post Office (historical) | Presque Isle | 781 | Metz |
| Grace Post Office (historical) | Grace Post Office (historical) | Presque Isle | 591 | Grace |
| Fisher Post Office (historical) | Fisher Post Office (historical) | Presque Isle | 591 | Thompsons Harbor |
| Case Post Office (historical) | Case Post Office (historical) | Presque Isle | 774 | Onaway |
| Bell Post Office (historical) | Bell Post Office (historical) | Presque Isle | 614 | Long Lake East |
| Allis Post Office (historical) | Allis Post Office (historical) | Presque Isle | 709 | Black Lake Bluffs |
| Moltke Post Office (historical) | Moltke Post Office (historical) | Presque Isle | 912 | Moltke |
| Posen Post Office | Posen Post Office | Presque Isle | 797 | Posen |
| Onaway Post Office (historical) | Onaway Post Office (historical) | Presque Isle | 846 | Onaway |
| Millersburg Post Office | Millersburg Post Office | Presque Isle | 797 | Millersburg |
| Providence Post Office (historical) | Providence Post Office (historical) | Presque Isle | 784 | Millersburg |
| Hawks Post Office | Hawks Post Office | Presque Isle | 830 | Hawks |
| Niles Post Office | Niles Post Office | Berrien | 712 | Niles East |
| Three Oaks Post Office | Three Oaks Post Office | Berrien | 673 | Three Oaks |
| Vineland Post Office (historical) | Vineland Post Office (historical) | Berrien | 636 | Benton Harbor |
| Woodlawn Post Office (historical) | Woodlawn Post Office (historical) | Berrien | Unknown | |
| Weesaw Post Office (historical) | Weesaw Post Office (historical) | Berrien | Unknown | |
| Whitewood Post Office (historical) | Whitewood Post Office (historical) | Berrien | Unknown | |
| Twelve Corners Post Office (historical) | Twelve Corners Post Office (historical) | Berrien | 659 | Benton Heights |
| Spring Creek Post Office (historical) | Spring Creek Post Office (historical) | Berrien | Unknown | |
| Royalton Post Office (historical) | Royalton Post Office (historical) | Berrien | 653 | Benton Harbor |
| Pleasant Valley Post Office (historical) | Pleasant Valley Post Office (historical) | Berrien | 771 | Sister Lakes |
| Pipestone Post Office (historical) | Pipestone Post Office (historical) | Berrien | 712 | Sodus |
| Penyann Post Office (historical) | Penyann Post Office (historical) | Berrien | 771 | Sodus |
| Spinks Corners Post Office (historical) | Spinks Corners Post Office (historical) | Berrien | 738 | Sodus |
| Naomi Post Office (historical) | Naomi Post Office (historical) | Berrien | 705 | Sodus |
| Millburg Post Office (historical) | Millburg Post Office (historical) | Berrien | 692 | Sodus |
| Livingston Post Office (historical) | Livingston Post Office (historical) | Berrien | 653 | Bridgman |
| Stemm Post Office (historical) | Stemm Post Office (historical) | Berrien | 751 | Baroda |
| Lighton Post Office (historical) | Lighton Post Office (historical) | Berrien | 758 | Baroda |
| Lake Point Post Office (historical) | Lake Point Post Office (historical) | Berrien | 630 | Coloma |
| Hollywood Post Office (historical) | Hollywood Post Office (historical) | Berrien | 646 | Benton Harbor |
| Hinchman Post Office (historical) | Hinchman Post Office (historical) | Berrien | 659 | Baroda |
| Hartman Post Office (historical) | Hartman Post Office (historical) | Berrien | 738 | Sodus |
| Hagar Shores Post Office (historical) | Hagar Shores Post Office (historical) | Berrien | 659 | Coloma |
| Hagar Post Office (historical) | Hagar Post Office (historical) | Berrien | 650 | Benton Heights |
| Glen Lord Post Office (historical) | Glen Lord Post Office (historical) | Berrien | 630 | Stevensville |
| Glendora Post Office (historical) | Glendora Post Office (historical) | Berrien | 679 | Baroda |
| Fairland Post Office (historical) | Fairland Post Office (historical) | Berrien | 781 | Berrien Springs |
| Derby Post Office (historical) | Derby Post Office (historical) | Berrien | 633 | Benton Harbor |
| Bainbridge Post Office (historical) | Bainbridge Post Office (historical) | Berrien | 787 | Sodus |
| Bertrand Post Office (historical) | Bertrand Post Office (historical) | Berrien | 692 | Niles West |
| Butler Post Office (historical) | Butler Post Office (historical) | Berrien | Unknown | |
| Carl Post Office (historical) | Carl Post Office (historical) | Berrien | 640 | Benton Harbor |
| Chikaming Post Office (historical) | Chikaming Post Office (historical) | Berrien | 636 | New Buffalo East |
| Dayton Post Office (historical) | Dayton Post Office (historical) | Berrien | 738 | Galien |
| Berrien Center Post Office | Berrien Center Post Office | Berrien | 771 | Berrien Springs |
| Coloma Post Office | Coloma Post Office | Berrien | 656 | Coloma |
| Union Pier Post Office | Union Pier Post Office | Berrien | 630 | New Buffalo East |
| Buchanan Post Office | Buchanan Post Office | Berrien | 702 | Niles West |
| Bridgman Post Office | Bridgman Post Office | Berrien | 636 | Bridgman |
| Sodus Post Office | Sodus Post Office | Berrien | 659 | Sodus |
| Watervliet Post Office | Watervliet Post Office | Berrien | 653 | Coloma |
| Eau Claire Post Office | Eau Claire Post Office | Berrien | 718 | Berrien Springs |
| Lakeside Post Office | Lakeside Post Office | Berrien | 646 | New Buffalo East |
| Riverside Post Office | Riverside Post Office | Berrien | 640 | Benton Heights |
| New Troy Post Office | New Troy Post Office | Berrien | 646 | Bridgman |
| New Buffalo Post Office | New Buffalo Post Office | Berrien | 623 | New Buffalo East |
| Sawyer Post Office | Sawyer Post Office | Berrien | 643 | Bridgman |
| Berrien Springs Post Office | Berrien Springs Post Office | Berrien | 666 | Berrien Springs |
| Stevensville Post Office | Stevensville Post Office | Berrien | 630 | Benton Harbor |
| Saint Joseph Post Office | Saint Joseph Post Office | Berrien | 633 | Benton Harbor |
| Leonidas Post Office | Leonidas Post Office | St. Joseph | 869 | Leonidas |
| Colon Post Office | Colon Post Office | St. Joseph | 866 | Colon |
| Centreville Post Office | Centreville Post Office | St. Joseph | 823 | Three Rivers East |
| Mendon Post Office | Mendon Post Office | St. Joseph | 846 | Mendon |
| Nottawa Post Office | Nottawa Post Office | St. Joseph | 840 | Nottawa |
| Burr Oak Post Office | Burr Oak Post Office | St. Joseph | 879 | Burr Oak |
| Avery Post Office (historical) | Avery Post Office (historical) | Berrien | 807 | Klinger Lake |
| Arden Post Office (historical) | Arden Post Office (historical) | Berrien | 659 | Baroda |
| Andrews Post Office (historical) | Andrews Post Office (historical) | Berrien | 666 | Berrien Springs |
| Allyngton Post Office (historical) | Allyngton Post Office (historical) | Berrien | Unknown | |
| Young's Prairie Post Office (historical) | Young's Prairie Post Office (historical) | Cass | Unknown | |
| Williamsville Post Office (historical) | Williamsville Post Office (historical) | Cass | 896 | Mottville |
| Wayne Post Office (historical) | Wayne Post Office (historical) | Cass | Unknown | |
| Wakelee Post Office (historical) | Wakelee Post Office (historical) | Cass | 912 | Vandalia |
| Truitts Post Office (historical) | Truitts Post Office (historical) | Cass | 801 | Niles East |
| Sumnerville Post Office (historical) | Sumnerville Post Office (historical) | Cass | 718 | Sumnerville |
| Silver Creek Post Office (historical) | Silver Creek Post Office (historical) | Cass | Unknown | |
| Shave Head Post Office (historical) | Shave Head Post Office (historical) | Cass | 912 | Mottville |
| Sailor Post Office (historical) | Sailor Post Office (historical) | Cass | 820 | Adamsville |
| Redfield Post Office (historical) | Redfield Post Office (historical) | Cass | Unknown | |
| Prairie Ronde Post Office (historical) | Prairie Ronde Post Office (historical) | Cass | 883 | Decatur |
| Pokagon Post Office (historical) | Pokagon Post Office (historical) | Cass | 738 | Sumnerville |
| Penn Post Office (historical) | Penn Post Office (historical) | Cass | 902 | Vandalia |
| Picket's Corner Post Office (historical) | Picket's Corner Post Office (historical) | Cass | 919 | Decatur |
| Volinia Post Office (historical) | Volinia Post Office (historical) | Cass | 863 | Decatur |
| La Grange Post Office (historical) | La Grange Post Office (historical) | Cass | 810 | Dowagiac |
| Lagare Post Office (historical) | Lagare Post Office (historical) | Cass | Unknown | |
| Jeffersonville Post Office (historical) | Jeffersonville Post Office (historical) | Cass | 853 | Edwardsburg |
| Glenwood Post Office (historical) | Glenwood Post Office (historical) | Cass | 761 | Twin Lakes |
| Dailey Post Office (historical) | Dailey Post Office (historical) | Cass | 820 | Dowagiac |
| Corey Post Office (historical) | Corey Post Office (historical) | Cass | 886 | Jones |
| Day Post Office (historical) | Day Post Office (historical) | Cass | 876 | Adamsville |
| Dover Post Office (historical) | Dover Post Office (historical) | Cass | Unknown | |
| Cushing Post Office (historical) | Cushing Post Office (historical) | Cass | Unknown | |
| Calvin Post Office (historical) | Calvin Post Office (historical) | Cass | 928 | Adamsville |
| Brownsville Post Office (historical) | Brownsville Post Office (historical) | Cass | 840 | Vandalia |
| Barron Lake Post Office (historical) | Barron Lake Post Office (historical) | Cass | 768 | Niles East |
| Adamsville Post Office (historical) | Adamsville Post Office (historical) | Cass | 820 | Adamsville |
| Dowagiac Post Office | Dowagiac Post Office | Cass | 768 | Dowagiac |
| Vandalia Post Office | Vandalia Post Office | Cass | 889 | Vandalia |
| Union Post Office (historical) | Union Post Office (historical) | Cass | 814 | Mottville |
| Marcellus Post Office | Marcellus Post Office | Cass | 896 | Marcellus |
| Jones Post Office | Jones Post Office | Cass | 919 | Jones |
| Edwardsburg Post Office | Edwardsburg Post Office | Cass | 833 | Edwardsburg |
| Cassopolis Post Office | Cassopolis Post Office | Cass | 879 | Dowagiac |
| Wasepi Post Office (historical) | Wasepi Post Office (historical) | St. Joseph | 840 | Nottawa |
| West Sherman Post Office (historical) | West Sherman Post Office (historical) | St. Joseph | Unknown | |
| Park Post Office (historical) | Park Post Office (historical) | St. Joseph | 846 | Vicksburg |
| Parkville Post Office (historical) | Parkville Post Office (historical) | St. Joseph | 830 | Vicksburg |
| Reserve Post Office (historical) | Reserve Post Office (historical) | St. Joseph | Unknown | |
| Moorepark Post Office (historical) | Moorepark Post Office (historical) | St. Joseph | 830 | Schoolcraft |
| Mint Post Office (historical) | Mint Post Office (historical) | St. Joseph | 846 | Vicksburg |
| Mill Creek Post Office (historical) | Mill Creek Post Office (historical) | St. Joseph | Unknown | |
| Leesburg Post Office (historical) | Leesburg Post Office (historical) | St. Joseph | 886 | Schoolcraft |
| Klingers Post Office (historical) | Klingers Post Office (historical) | St. Joseph | 860 | Klinger Lake |
| Howardsville Post Office (historical) | Howardsville Post Office (historical) | St. Joseph | 856 | Schoolcraft |
| Flowerfield Post Office (historical) | Flowerfield Post Office (historical) | St. Joseph | 850 | Schoolcraft |
| Florence Post Office (historical) | Florence Post Office (historical) | St. Joseph | 801 | Three Rivers West |
| Findley Post Office (historical) | Findley Post Office (historical) | St. Joseph | 860 | Colon |
| Fawn River Post Office (historical) | Fawn River Post Office (historical) | St. Joseph | 892 | Burr Oak |
| Fairfax Post Office (historical) | Fairfax Post Office (historical) | St. Joseph | 856 | Colon |
| Factoryville Post Office (historical) | Factoryville Post Office (historical) | St. Joseph | 718 | Central Lake |
| Fabius Post Office (historical) | Fabius Post Office (historical) | St. Joseph | 883 | Three Rivers West |
| Three Rivers Post Office | Three Rivers Post Office | St. Joseph | 814 | Three Rivers West |
| Sturgis Post Office | Sturgis Post Office | St. Joseph | 919 | Sturgis |
| White Pigeon Post Office | White Pigeon Post Office | St. Joseph | 817 | Constantine |
| Mottville Post Office (historical) | Mottville Post Office (historical) | St. Joseph | 764 | Mottville |
| Constantine Post Office | Constantine Post Office | St. Joseph | 791 | Constantine |
| White Post Office (historical) | White Post Office (historical) | Hillsdale | 1007 | Nettle Lake |
| Wheatland Post Office (historical) | Wheatland Post Office (historical) | Hillsdale | 1099 | Wheatland |
| Steamburg Post Office (historical) | Steamburg Post Office (historical) | Hillsdale | 1135 | North Adams |
| Stafford Post Office (historical) | Stafford Post Office (historical) | Hillsdale | 1050 | Wheatland |
| South Camden Post Office (historical) | South Camden Post Office (historical) | Hillsdale | 1001 | Clear Lake |
| South Allen Post Office (historical) | South Allen Post Office (historical) | Hillsdale | 1076 | Allen |
| Shadyside Post Office (historical) | Shadyside Post Office (historical) | Hillsdale | 1047 | Frontier |
| Scipio Post Office (historical) | Scipio Post Office (historical) | Houghton | 1040 | Hanover |
| Ransom Post Office (historical) | Ransom Post Office (historical) | Houghton | 1007 | Frontier |
| Undine Post Office (historical) | Undine Post Office (historical) | Hillsdale | Unknown | |
| Purchase Post Office (historical) | Purchase Post Office (historical) | Hillsdale | Unknown | |
| Prattville Post Office | Prattville Post Office | Hillsdale | 935 | Pittsford |
| Moscow Post Office | Moscow Post Office | Hillsdale | 1099 | Hanover |
| Morganville Post Office (historical) | Morganville Post Office (historical) | Hillsdale | 932 | Nettle Lake |
| Mallory Post Office (historical) | Mallory Post Office (historical) | Hillsdale | 932 | Pittsford |
| Milnes Post Office (historical) | Milnes Post Office (historical) | Hillsdale | Unknown | |
| Locust Post Office (historical) | Locust Post Office (historical) | Hillsdale | 1079 | Wheatland |
| Lickleys Corners Post Office (historical) | Lickleys Corners Post Office (historical) | Hillsdale | 951 | Pittsford |
| Jefferson Post Office (historical) | Jefferson Post Office (historical) | Hillsdale | 1056 | Frontier |
| Hoxie Post Office (historical) | Hoxie Post Office (historical) | Hillsdale | 1214 | Wheatland |
| Hageman Post Office (historical) | Hageman Post Office (historical) | Hillsdale | 958 | Nettle Lake |
| Church Post Office (historical) | Church Post Office (historical) | Hillsdale | 1155 | Wheatland |
| Cambria Post Office (historical) | Cambria Post Office (historical) | Hillsdale | 1079 | Reading |
| Cambria Post Office (historical) | Cambria Post Office (historical) | Hillsdale | 1004 | Reading |
| Buckeye Post Office (historical) | Buckeye Post Office (historical) | Hillsdale | 899 | Pioneer |
| Betzer Post Office (historical) | Betzer Post Office (historical) | Hillsdale | 906 | Pittsford |
| Bankers Post Office (historical) | Bankers Post Office (historical) | Hillsdale | 1079 | Hillsdale |
| Bakers Post Office | Bakers Post Office | Hillsdale | 1135 | Somerset Center |
| Amboy Post Office (historical) | Amboy Post Office (historical) | Hillsdale | 932 | Pioneer |
| Adams Post Office (historical) | Adams Post Office (historical) | Hillsdale | 1148 | North Adams |
| Hillsdale Post Office | Hillsdale Post Office | Hillsdale | 1079 | Hillsdale |
| Waldron Post Office | Waldron Post Office | Hillsdale | 899 | Alvordton |
| Somerset Center Post Office | Somerset Center Post Office | Hillsdale | 1060 | Somerset Center |
| Somerset Post Office | Somerset Post Office | Hillsdale | 1066 | Somerset Center |
| Reading Post Office | Reading Post Office | Hillsdale | 1194 | Reading |
| Pittsford Post Office | Pittsford Post Office | Hillsdale | 1089 | Pittsford |
| Osseo Post Office | Osseo Post Office | Hillsdale | 1109 | North Adams |
| North Adams Post Office | North Adams Post Office | Hillsdale | 1188 | North Adams |
| Mosherville Post Office | Mosherville Post Office | Hillsdale | 1030 | Mosherville |
| Allen Post Office | Allen Post Office | Hillsdale | 1079 | Allen |
| Litchfield Post Office | Litchfield Post Office | Hillsdale | 1017 | Litchfield |
| Montgomery Post Office | Montgomery Post Office | Hillsdale | 1053 | Camden |
| Jonesville Post Office | Jonesville Post Office | Hillsdale | 1073 | Hillsdale |
| Jerome Post Office | Jerome Post Office | Hillsdale | 1122 | Somerset Center |
| Camden Post Office | Camden Post Office | Hillsdale | 1024 | Camden |
| Frontier Post Office | Frontier Post Office | Hillsdale | 1030 | Frontier |
| Coldwater Post Office | Coldwater Post Office | Branch | 965 | Coldwater West |
| Union City Post Office | Union City Post Office | Branch | 909 | Union City |
| Sherwood Post Office | Sherwood Post Office | Branch | 879 | Union City |
| Quincy Post Office | Quincy Post Office | Branch | 1017 | Coldwater East |
| Bronson Post Office | Bronson Post Office | Branch | 915 | Bronson South |
| Towns Post Office (historical) | Towns Post Office (historical) | Branch | Unknown | |
| South Butler Post Office (historical) | South Butler Post Office (historical) | Branch | 1004 | Tekonsha |
| Snow Prairie Post Office (historical) | Snow Prairie Post Office (historical) | Branch | Unknown | |
| Sherwood Post Office (historical) | Sherwood Post Office (historical) | Branch | 883 | Leonidas |
| Round Lake Post Office (historical) | Round Lake Post Office (historical) | Branch | Unknown | |
| Prairie River Post Office (historical) | Prairie River Post Office (historical) | Branch | Unknown | |
| Ovid Post Office (historical) | Ovid Post Office (historical) | Branch | 1007 | Kinderhook |
| Olds Post Office (historical) | Olds Post Office (historical) | Branch | 928 | Coldwater West |
| Orange Post Office (historical) | Orange Post Office (historical) | Branch | Unknown | |
| Mattison Post Office (historical) | Mattison Post Office (historical) | Branch | 902 | Bronson North |
| Lockwood Post Office (historical) | Lockwood Post Office (historical) | Branch | 1010 | Coldwater West |
| Lester Post Office (historical) | Lester Post Office (historical) | Branch | 1001 | California |
| Hodunk Post Office (historical) | Hodunk Post Office (historical) | Branch | 932 | Burlington |
| Gorton Post Office (historical) | Gorton Post Office (historical) | Branch | 1063 | Allen |
| Gilead Post Office (historical) | Gilead Post Office (historical) | Branch | 968 | Bronson South |
| Girard Post Office (historical) | Girard Post Office (historical) | Branch | 955 | Burlington |
| Faxon Post Office (historical) | Faxon Post Office (historical) | Branch | 1010 | Tekonsha |
| Dorrance Post Office (historical) | Dorrance Post Office (historical) | Branch | 997 | Coldwater East |
| California Post Office (historical) | California Post Office (historical) | Branch | 1060 | California |
| Butler Post Office (historical) | Butler Post Office (historical) | Branch | 1010 | Litchfield |
| Burrows Post Office (historical) | Burrows Post Office (historical) | Branch | 915 | Burr Oak |
| Noble Post Office (historical) | Noble Post Office (historical) | Branch | 945 | Bronson South |
| Branch Post Office (historical) | Branch Post Office (historical) | Branch | Unknown | |
| Kinderhook Post Office (historical) | Kinderhook Post Office (historical) | Branch | 1001 | Kinderhook |
| East Gilead Post Office (historical) | East Gilead Post Office (historical) | Branch | 978 | Kinderhook |
| Hatmaker Post Office (historical) | Hatmaker Post Office (historical) | Branch | 945 | Kinderhook |
| Batavia Post Office (historical) | Batavia Post Office (historical) | Branch | 919 | Coldwater West |
| Algansee Post Office (historical) | Algansee Post Office (historical) | Branch | 1040 | California |
| Warsaw Post Office (historical) | Warsaw Post Office (historical) | Lenawee | Unknown | |
| Walworth Post Office (historical) | Walworth Post Office (historical) | Lenawee | Unknown | |
| Tiffin Post Office (historical) | Tiffin Post Office (historical) | Lenawee | Unknown | |
| South Woodstock Post Office (historical) | South Woodstock Post Office (historical) | Lenawee | Unknown | |
| Mendon Post Office (historical) | Mendon Post Office (historical) | Lenawee | Unknown | |
| Fairport Post Office (historical) | Fairport Post Office (historical) | Lenawee | Unknown | |
| Fairdale Post Office (historical) | Fairdale Post Office (historical) | Lenawee | Unknown | |
| East Ogden Post Office (historical) | East Ogden Post Office (historical) | Lenawee | Unknown | |
| Blanc Post Office (historical) | Blanc Post Office (historical) | Lenawee | Unknown | |
| Bonney Post Office (historical) | Bonney Post Office (historical) | Lenawee | Unknown | |
| Bateman Post Office (historical) | Bateman Post Office (historical) | Lenawee | Unknown | |
| Attica Post Office (historical) | Attica Post Office (historical) | Lenawee | Unknown | |
| Windom Post Office (historical) | Windom Post Office (historical) | Lenawee | Unknown | |
| Woodbridge Post Office (historical) | Woodbridge Post Office (historical) | Lenawee | Unknown | |
| Woodstock Post Office (historical) | Woodstock Post Office (historical) | Lenawee | Unknown | |
| Wolfcreek Post Office (historical) | Wolfcreek Post Office (historical) | Lenawee | 879 | Rome Center |
| West Ogden Post Office (historical) | West Ogden Post Office (historical) | Lenawee | 702 | Palmyra |
| Victorsville Post Office (historical) | Victorsville Post Office (historical) | Lenawee | 702 | Palmyra |
| Sutton Post Office (historical) | Sutton Post Office (historical) | Lenawee | 771 | Tecumseh South |
| Stoddard Post Office (historical) | Stoddard Post Office (historical) | Lenawee | 1066 | Rome Center |
| Springville Post Office (historical) | Springville Post Office (historical) | Lenawee | 938 | Onsted |
| South Fairfield Post Office (historical) | South Fairfield Post Office (historical) | Lenawee | 738 | Assumption |
| Seneca Post Office | Seneca Post Office | Lenawee | 797 | Clayton |
| Rome Post Office (historical) | Rome Post Office (historical) | Lenawee | 928 | Rome Center |
| Ridgeville Post Office (historical) | Ridgeville Post Office (historical) | Lenawee | 735 | Jasper |
| Ridgeway Post Office | Ridgeway Post Office | Lenawee | 738 | Deerfield |
| Raisin Center Post Office (historical) | Raisin Center Post Office (historical) | Lenawee | 768 | Tecumseh South |
| Townley Post Office (historical) | Townley Post Office (historical) | Lenawee | 1056 | Addison |
| Quaker Post Office (historical) | Quaker Post Office (historical) | Lenawee | 958 | Addison |
| Putnam Post Office (historical) | Putnam Post Office (historical) | Lenawee | 988 | Onsted |
| Pentecost Post Office (historical) | Pentecost Post Office (historical) | Lenawee | 732 | Ottawa |
| Ontario Post Office (historical) | Ontario Post Office (historical) | Lenawee | 823 | Fayette |
| Oneida Post Office (historical) | Oneida Post Office (historical) | Lenawee | 850 | Clayton |
| Ogden Center Post Office (historical) | Ogden Center Post Office (historical) | Lenawee | 709 | Palmyra |
| Ogden Post Office (historical) | Ogden Post Office (historical) | Lenawee | 709 | Palmyra |
| North Morenci Post Office (historical) | North Morenci Post Office (historical) | Lenawee | 797 | Clayton |
| Newburg Post Office (historical) | Newburg Post Office (historical) | Lenawee | 810 | Tecumseh North |
| Munson Post Office (historical) | Munson Post Office (historical) | Lenawee | 833 | Fayette |
| Mulberry Post Office (historical) | Mulberry Post Office (historical) | Lenawee | 715 | Assumption |
| Medina Post Office (historical) | Medina Post Office (historical) | Lenawee | 833 | Hudson |
| Marvin Post Office (historical) | Marvin Post Office (historical) | Lenawee | 784 | Clayton |
| Limecreek Post Office (historical) | Limecreek Post Office (historical) | Lenawee | 846 | Hudson |
| Lenawee Junction Post Office (historical) | Lenawee Junction Post Office (historical) | Lenawee | 715 | Tecumseh South |
| Macon Post Office (historical) | Macon Post Office (historical) | Lenawee | 830 | Macon |
| Lakeridge Post Office (historical) | Lakeridge Post Office (historical) | Lenawee | 725 | Macon |
| Raisin Post Office (historical) | Raisin Post Office (historical) | Lenawee | Unknown | |
| North Adrian Post Office (historical) | North Adrian Post Office (historical) | Lenawee | Unknown | |
| Holloway Post Office (historical) | Holloway Post Office (historical) | Lenawee | 748 | Tecumseh South |
| Grosvenor Post Office (historical) | Grosvenor Post Office (historical) | Lenawee | 699 | Palmyra |
| Gorman Post Office (historical) | Gorman Post Office (historical) | Lenawee | 741 | Jasper |
| Geneva Post Office (historical) | Geneva Post Office (historical) | Lenawee | 1070 | Addison |
| Fruit Ridge Post Office (historical) | Fruit Ridge Post Office (historical) | Lenawee | 817 | Jasper |
| Fairfield Post Office (historical) | Fairfield Post Office (historical) | Lenawee | 768 | Jasper |
| Evans Lake Post Office (historical) | Evans Lake Post Office (historical) | Lenawee | 968 | Tipton |
| Dover Post Office (historical) | Dover Post Office (historical) | Lenawee | 814 | Rome Center |
| Devils Lake Post Office (historical) | Devils Lake Post Office (historical) | Lenawee | 1060 | Cement City |
| Canandaigua Post Office (historical) | Canandaigua Post Office (historical) | Lenawee | 823 | Clayton |
| Cambridge Post Office (historical) | Cambridge Post Office (historical) | Lenawee | 1001 | Onsted |
| Cadmus Post Office | Cadmus Post Office | Lenawee | 837 | Clayton |
| Birdsall Post Office (historical) | Birdsall Post Office (historical) | Lenawee | 787 | Adrian |
| Bimo Post Office (historical) | Bimo Post Office (historical) | Lenawee | 804 | Morenci |
| Adrian Post Office | Adrian Post Office | Lenawee | 797 | Adrian |
| Tecumseh Post Office | Tecumseh Post Office | Lenawee | 794 | Tecumseh North |
| Tipton Post Office | Tipton Post Office | Lenawee | 902 | Tipton |
| Weston Post Office | Weston Post Office | Lenawee | 764 | Jasper |
| Sand Creek Post Office | Sand Creek Post Office | Lenawee | 781 | Jasper |
| Riga Post Office | Riga Post Office | Lenawee | 696 | Blissfield |
| Palmyra Post Office | Palmyra Post Office | Lenawee | 709 | Palmyra |
| Onsted Post Office | Onsted Post Office | Lenawee | 988 | Onsted |
| Morenci Post Office | Morenci Post Office | Lenawee | 768 | Morenci |
| Monroe Post Office | Monroe Post Office | Monroe | 597 | Monroe |
| Lewiston Post Office | Lewiston Post Office | Montmorency | 1240 | Lewiston |
| Hillman Post Office | Hillman Post Office | Montmorency | 771 | Hillman |
| Vienna Post Office (historical) | Vienna Post Office (historical) | Montmorency | 1227 | Lewiston |
| Valentine Post Office (historical) | Valentine Post Office (historical) | Montmorency | 879 | Atlanta |
| Rust Post Office (historical) | Rust Post Office (historical) | Montmorency | 823 | Rust |
| Royston Post Office (historical) | Royston Post Office (historical) | Montmorency | 797 | Royston |
| Kissipee Post Office (historical) | Kissipee Post Office (historical) | Montmorency | 1033 | Hetherton |
| Klein Post Office (historical) | Klein Post Office (historical) | Montmorency | Unknown | |
| Idlewild Post Office (historical) | Idlewild Post Office (historical) | Montmorency | 1191 | Lewiston |
| Hetherton Post Office (historical) | Hetherton Post Office (historical) | Montmorency | 1381 | Hetherton |
| Coffron Post Office (historical) | Coffron Post Office (historical) | Montmorency | Unknown | |
| Big Rock Post Office (historical) | Big Rock Post Office (historical) | Montmorency | 1024 | Atlanta |
| Atlanta Post Office | Atlanta Post Office | Montmorency | 883 | Atlanta |
| Yargerville Post Office (historical) | Yargerville Post Office (historical) | Monroe | 633 | Lambertville East |
| Willits Post Office (historical) | Willits Post Office (historical) | Monroe | 640 | Lambertville East |
| Whiteford Center Post Office (historical) | Whiteford Center Post Office (historical) | Monroe | 679 | Lambertville West |
| Strasburg Post Office (historical) | Strasburg Post Office (historical) | Monroe | 627 | Ida |
| Stony Creek Post Office (historical) | Stony Creek Post Office (historical) | Monroe | 591 | Stony Point |
| Steiner Post Office (historical) | Steiner Post Office (historical) | Monroe | 617 | Monroe |
| Scofield Post Office (historical) | Scofield Post Office (historical) | Monroe | 630 | Carleton |
| Rea Post Office (historical) | Rea Post Office (historical) | Monroe | 666 | Dundee |
| Raisinville Post Office (historical) | Raisinville Post Office (historical) | Monroe | 643 | Ida |
| Oakville Post Office (historical) | Oakville Post Office (historical) | Monroe | 663 | Maybee |
| North Raisinville Post Office (historical) | North Raisinville Post Office (historical) | Monroe | 617 | Monroe |
| Morocco Post Office (historical) | Morocco Post Office (historical) | Monroe | 650 | Lambertville East |
| Lulu Post Office (historical) | Lulu Post Office (historical) | Monroe | 653 | Ida |
| London Post Office (historical) | London Post Office (historical) | Monroe | 669 | Maybee |
| Little Lake Post Office (historical) | Little Lake Post Office (historical) | Monroe | 630 | Lambertville East |
| Grape Post Office (historical) | Grape Post Office (historical) | Monroe | 640 | Ida |
| Grafton Post Office (historical) | Grafton Post Office (historical) | Monroe | 614 | Carleton |
| Federman Post Office (historical) | Federman Post Office (historical) | Monroe | 663 | Ida |
| Exeter Post Office (historical) | Exeter Post Office (historical) | Monroe | 633 | Carleton |
| Cone Post Office (historical) | Cone Post Office (historical) | Monroe | 696 | Macon |
| Brest Post Office (historical) | Brest Post Office (historical) | Monroe | 587 | Stony Point |
| Azalia Post Office | Azalia Post Office | Monroe | 673 | Milan |
| Athlone Post Office (historical) | Athlone Post Office (historical) | Monroe | 617 | Carleton |
| West Raisinville Post Office (historical) | West Raisinville Post Office (historical) | Monroe | Unknown | |
| Vistula Post Office (historical) | Vistula Post Office (historical) | Monroe | Unknown | |
| Prentice Post Office (historical) | Prentice Post Office (historical) | Monroe | Unknown | |
| Perry's Grove Post Office (historical) | Perry's Grove Post Office (historical) | Monroe | Unknown | |
| Meyers Post Office (historical) | Meyers Post Office (historical) | Monroe | Unknown | |
| Loranger Post Office (historical) | Loranger Post Office (historical) | Monroe | Unknown | |
| Havre Post Office (historical) | Havre Post Office (historical) | Monroe | Unknown | |
| Greening Post Office (historical) | Greening Post Office (historical) | Monroe | Unknown | |
| Gert Post Office (historical) | Gert Post Office (historical) | Monroe | Unknown | |
| East Raisinville Post Office (historical) | East Raisinville Post Office (historical) | Monroe | Unknown | |
| East Exeter Post Office (historical) | East Exeter Post Office (historical) | Monroe | Unknown | |
| Clark City Post Office (historical) | Clark City Post Office (historical) | Monroe | Unknown | |
| Temperance Post Office | Temperance Post Office | Monroe | 620 | Lambertville East |
| South Rockwood Post Office | South Rockwood Post Office | Monroe | 584 | Flat Rock |
| Petersburg Post Office | Petersburg Post Office | Monroe | 679 | Dundee |
| Samaria Post Office | Samaria Post Office | Monroe | 646 | Lambertville East |
| Ottawa Lake Post Office | Ottawa Lake Post Office | Monroe | 689 | Lambertville West |
| Newport Post Office (historical) | Newport Post Office (historical) | Monroe | 581 | Flat Rock |
| Maybee Post Office (historical) | Maybee Post Office (historical) | Monroe | 636 | Maybee |
| Luna Pier Post Office | Luna Pier Post Office | Monroe | 574 | Erie |
| Lambertville Post Office | Lambertville Post Office | Monroe | 669 | Lambertville West |
| La Salle Post Office (historical) | La Salle Post Office (historical) | Monroe | 577 | Erie |
| Ida Post Office | Ida Post Office | Monroe | 640 | Ida |
| Erie Post Office | Erie Post Office | Monroe | 591 | Erie |
| Dundee Post Office | Dundee Post Office | Monroe | 650 | Dundee |
| Carleton Post Office | Carleton Post Office | Monroe | 607 | Carleton |
| Kewadin Post Office | Kewadin Post Office | Antrim | 600 | Alden |
| Ellsworth Post Office | Ellsworth Post Office | Antrim | 656 | Ellsworth |
| Elk Rapids Post Office | Elk Rapids Post Office | Antrim | 591 | Elk Rapids |
| Eastport Post Office | Eastport Post Office | Antrim | 607 | Central Lake |
| Torch Lake Post Office (historical) | Torch Lake Post Office (historical) | Antrim | 617 | Central Lake |
| Wetzell Post Office (historical) | Wetzell Post Office (historical) | Antrim | 1135 | Mancelona |
| Thelma Post Office (historical) | Thelma Post Office (historical) | Antrim | Unknown | |
| Stover Post Office (historical) | Stover Post Office (historical) | Antrim | Unknown | |
| South Milton Post Office (historical) | South Milton Post Office (historical) | Antrim | 696 | Alden |
| Snowflake Post Office (historical) | Snowflake Post Office (historical) | Antrim | 633 | Scotts Lake |
| Simons Post Office (historical) | Simons Post Office (historical) | Antrim | 1217 | Deadmans Hill |
| Rootville Post Office (historical) | Rootville Post Office (historical) | Antrim | 600 | Bellaire |
| Rockery Post Office (historical) | Rockery Post Office (historical) | Antrim | 991 | Chestonia |
| Praha Post Office (historical) | Praha Post Office (historical) | Antrim | Unknown | |
| Mount Bliss Post Office (historical) | Mount Bliss Post Office (historical) | Antrim | Unknown | |
| Mitchell Post Office (historical) | Mitchell Post Office (historical) | Antrim | Unknown | |
| Essex Post Office (historical) | Essex Post Office (historical) | Antrim | 771 | Atwood |
| Lull Post Office (historical) | Lull Post Office (historical) | Antrim | Unknown | |
| Lake Shore Post Office (historical) | Lake Shore Post Office (historical) | Antrim | Unknown | |
| Kearney Post Office (historical) | Kearney Post Office (historical) | Antrim | Unknown | |
| Hitchcock Post Office (historical) | Hitchcock Post Office (historical) | Antrim | 932 | Union City |
| Greenriver Post Office (historical) | Greenriver Post Office (historical) | Antrim | 810 | Mancelona |
| Forest Home Post Office (historical) | Forest Home Post Office (historical) | Antrim | Unknown | |
| Fitchville Post Office (historical) | Fitchville Post Office (historical) | Antrim | Unknown | |
| Finkton Post Office (historical) | Finkton Post Office (historical) | Antrim | 774 | Chestonia |
| Elgin Post Office (historical) | Elgin Post Office (historical) | Antrim | Unknown | |
| Echo Post Office (historical) | Echo Post Office (historical) | Antrim | 659 | Scotts Lake |
| Creswell Post Office (historical) | Creswell Post Office (historical) | Antrim | 722 | Central Lake |
| Comfort Post Office (historical) | Comfort Post Office (historical) | Antrim | 1168 | Smithville |
| Clam River Post Office (historical) | Clam River Post Office (historical) | Antrim | 597 | Alden |
| Chestonia Post Office (historical) | Chestonia Post Office (historical) | Antrim | 640 | Chestonia |
| Brickersville Post Office (historical) | Brickersville Post Office (historical) | Antrim | Unknown | |
| Atwood Post Office (historical) | Atwood Post Office (historical) | Antrim | 856 | Atwood |
| Arkona Post Office (historical) | Arkona Post Office (historical) | Antrim | Unknown | |
| Antrim City Post Office (historical) | Antrim City Post Office (historical) | Antrim | 653 | Atwood OE W |
| Aabec Post Office (historical) | Aabec Post Office (historical) | Antrim | Unknown | |
| Mancelona Post Office | Mancelona Post Office | Antrim | 1125 | Mancelona |
| Central Lake Post Office | Central Lake Post Office | Antrim | 646 | Central Lake |
| Bellaire Post Office | Bellaire Post Office | Antrim | 607 | Bellaire |
| Alden Post Office | Alden Post Office | Antrim | 610 | Alden |
| Alba Post Office | Alba Post Office | Antrim | 1178 | Alba |
| Jasper Post Office | Jasper Post Office | Lenawee | 728 | Jasper |
| Hudson Post Office | Hudson Post Office | Lenawee | 925 | Hudson |
| Deerfield Post Office | Deerfield Post Office | Lenawee | 679 | Deerfield |
| Clinton Post Office | Clinton Post Office | Lenawee | 837 | Tecumseh North |
| Britton Post Office | Britton Post Office | Lenawee | 699 | Deerfield |
| Clayton Post Office | Clayton Post Office | Lenawee | 892 | Clayton |
| Cement City Post Office | Cement City Post Office | Lenawee | 1060 | Cement City |
| Rollin Post Office | Rollin Post Office | Lenawee | 981 | Addison |
| Manitou Beach Post Office | Manitou Beach Post Office | Lenawee | 1063 | Addison |
| Addison Post Office | Addison Post Office | Lenawee | 1050 | Addison |
| Blissfield Post Office | Blissfield Post Office | Lenawee | 689 | Blissfield |
| Alpena Post Office | Alpena Post Office | Alpena | 591 | Alpena |
| Ossineke Post Office | Ossineke Post Office | Alpena | 656 | Ossineke |
| Lachine Post Office | Lachine Post Office | Alpena | 738 | Lachine |
| Hubbard Lake Post Office | Hubbard Lake Post Office | Alpena | 722 | Big Ravine Creek |
| Spratt Post Office (historical) | Spratt Post Office (historical) | Alpena | 755 | Lachine |
| McSorley Post Office (historical) | McSorley Post Office (historical) | Alpena | Unknown | |
| Long Rapids Post Office (historical) | Long Rapids Post Office (historical) | Alpena | 718 | Polaski |
| Leer Post Office (historical) | Leer Post Office (historical) | Alpena | 820 | Polaski |
| East Side Post Office (historical) | East Side Post Office (historical) | Alpena | 597 | Alpena |
| Flanders Post Office (historical) | Flanders Post Office (historical) | Alpena | 761 | Lachine |
| Hobson Post Office (historical) | Hobson Post Office (historical) | Alpena | Unknown | |
| Dafoe Post Office (historical) | Dafoe Post Office (historical) | Alpena | 722 | Lachine |
| Cathro Post Office (historical) | Cathro Post Office (historical) | Alpena | 725 | Long Lake West |
| Bolton Post Office (historical) | Bolton Post Office (historical) | Alpena | 732 | Long Lake West |
| Herron Post Office | Herron Post Office | Alpena | 738 | Lachine |
| Walburg Post Office (historical) | Walburg Post Office (historical) | Alpena | Unknown | |
| Orchard Hill Post Office (historical) | Orchard Hill Post Office (historical) | Alpena | 696 | Polaski |
| Gaylord Post Office | Gaylord Post Office | Otsego | 1332 | Gaylord |
| Sparr Post Office (historical) | Sparr Post Office (historical) | Otsego | 1115 | Sparr |
| Salling Post Office (historical) | Salling Post Office (historical) | Otsego | 1286 | Otsego Lake |
| Wah Wah Soo Post Office (historical) | Wah Wah Soo Post Office (historical) | Otsego | 1289 | Otsego Lake |
| Logan Post Office (historical) | Logan Post Office (historical) | Otsego | 1155 | Gaylord |
| Quick Post Office (historical) | Quick Post Office (historical) | Otsego | Unknown | |
| Klingensmith Post Office (historical) | Klingensmith Post Office (historical) | Otsego | Unknown | |
| Hallock Post Office (historical) | Hallock Post Office (historical) | Otsego | 1306 | Elmira |
| Brown's Dale Post Office (historical) | Brown's Dale Post Office (historical) | Otsego | 1099 | Sparr |
| Berryville Post Office (historical) | Berryville Post Office (historical) | Otsego | 1184 | Vanderbilt |
| Arthurville Post Office (historical) | Arthurville Post Office (historical) | Otsego | Unknown | |
| Waters Post Office | Waters Post Office | Otsego | 1263 | Otsego Lake |
| Vanderbilt Post Office | Vanderbilt Post Office | Otsego | 1099 | Vanderbilt |
| Johannesburg Post Office | Johannesburg Post Office | Otsego | 1358 | Johannesburg |
| Elmira Post Office | Elmira Post Office | Otsego | 1247 | Elmira |
| Suttons Bay Post Office | Suttons Bay Post Office | Leelanau | 594 | Suttons Bay |
| Leland Post Office | Leland Post Office | Leelanau | 594 | Leland |
| Northport Post Office | Northport Post Office | Leelanau | 591 | Northport |
| Omena Post Office | Omena Post Office | Leelanau | 587 | Omena |
| Maple City Post Office | Maple City Post Office | Leelanau | 722 | Maple City |
| Lake Leelanau Post Office | Lake Leelanau Post Office | Leelanau | 610 | Suttons Bay |
| Empire Post Office | Empire Post Office | Leelanau | 604 | Empire |
| Cedar Post Office (historical) | Cedar Post Office (historical) | Leelanau | 597 | Maple City |
| South Manitou Post Office (historical) | South Manitou Post Office (historical) | Leelanau | 581 | Empire |
| Solon Post Office (historical) | Solon Post Office (historical) | Leelanau | 630 | Maple City |
| Shetland Post Office (historical) | Shetland Post Office (historical) | Leelanau | 656 | Good Harbor Bay |
| Schomberg Post Office (historical) | Schomberg Post Office (historical) | Leelanau | 764 | Good Harbor Bay |
| Port Oneida Post Office (historical) | Port Oneida Post Office (historical) | Leelanau | 623 | Glen Arbor |
| North Unity Post Office (historical) | North Unity Post Office (historical) | Leelanau | 587 | Glen Arbor |
| North Manitou Island Post Office (historical) | North Manitou Island Post Office (historical) | Leelanau | 617 | North Manitou Island |
| Norrisville Post Office (historical) | Norrisville Post Office (historical) | Leelanau | 584 | Traverse City SW |
| Miller Hill Post Office (historical) | Miller Hill Post Office (historical) | Leelanau | 1030 | Glen Arbor |
| Micham Post Office (historical) | Micham Post Office (historical) | Leelanau | Unknown | |
| Keswick Post Office (historical) | Keswick Post Office (historical) | Leelanau | 738 | Suttons Bay |
| Kasson Post Office (historical) | Kasson Post Office (historical) | Leelanau | 833 | Karlin |
| Isadore Post Office (historical) | Isadore Post Office (historical) | Leelanau | 732 | Good Harbor Bay |
| Good Harbor Post Office (historical) | Good Harbor Post Office (historical) | Leelanau | 604 | Good Harbor Bay |
| Glenmere Post Office (historical) | Glenmere Post Office (historical) | Leelanau | 620 | Empire |
| Glen Haven Post Office (historical) | Glen Haven Post Office (historical) | Leelanau | 591 | Glen Haven |
| Gills Pier Post Office (historical) | Gills Pier Post Office (historical) | Leelanau | 627 | Gills Pier |
| Fox Islands Post Office (historical) | Fox Islands Post Office (historical) | Leelanau | Unknown | |
| Elm Rock Post Office (historical) | Elm Rock Post Office (historical) | Leelanau | Unknown | |
| Crescent Post Office (historical) | Crescent Post Office (historical) | Leelanau | Unknown | |
| Cherry Home Post Office (historical) | Cherry Home Post Office (historical) | Leelanau | 604 | Northport |
| Burdickville Post Office (historical) | Burdickville Post Office (historical) | Leelanau | 607 | Burdickville |
| Bingham Post Office (historical) | Bingham Post Office (historical) | Leelanau | 718 | Suttons Bay |
| Kalkaska Post Office | Kalkaska Post Office | Kalkaska | 1030 | Kalkaska |
| Westwood Post Office (historical) | Westwood Post Office (historical) | Kalkaska | 1093 | Westwood |
| Spencer Post Office (historical) | Spencer Post Office (historical) | Kalkaska | 1122 | Sigma |
| Sigma Post Office (historical) | Sigma Post Office (historical) | Kalkaska | 1148 | Sigma |
| Sharon Post Office (historical) | Sharon Post Office (historical) | Kalkaska | 1053 | Sharon |
| Rugg Post Office (historical) | Rugg Post Office (historical) | Kalkaska | 997 | Leetsville |
| Leetsville Post Office (historical) | Leetsville Post Office (historical) | Kalkaska | 1063 | Leetsville |
| Lodi Post Office (historical) | Lodi Post Office (historical) | Kalkaska | 1132 | Kalkaska |
| Kaska Post Office (historical) | Kaska Post Office (historical) | Kalkaska | 1119 | Smithville |
| Ivan Post Office (historical) | Ivan Post Office (historical) | Kalkaska | 1191 | Smithville |
| Fletcher Post Office (historical) | Fletcher Post Office (historical) | Kalkaska | 1250 | Fletcher |
| Excelsior Post Office (historical) | Excelsior Post Office (historical) | Kalkaska | 1211 | Sigma |
| Dowen Post Office (historical) | Dowen Post Office (historical) | Kalkaska | 1211 | Black Creek |
| Darragh Post Office (historical) | Darragh Post Office (historical) | Kalkaska | 1247 | Westwood |
| Culver Post Office (historical) | Culver Post Office (historical) | Kalkaska | Unknown | |
| Crofton Post Office (historical) | Crofton Post Office (historical) | Kalkaska | 1037 | Kalkaska |
| Cold Spring Post Office (historical) | Cold Spring Post Office (historical) | Kalkaska | Unknown | |
| Clearwater Post Office (historical) | Clearwater Post Office (historical) | Kalkaska | 686 | Torch River |
| Barker Creek Post Office (historical) | Barker Creek Post Office (historical) | Kalkaska | 666 | Torch River |
| Amity Post Office (historical) | Amity Post Office (historical) | Kalkaska | Unknown | |
| Aarwood Post Office (historical) | Aarwood Post Office (historical) | Kalkaska | 604 | Torch River |
| South Boardman Post Office | South Boardman Post Office | Kalkaska | 1010 | South Boardman |
| Rapid City Post Office | Rapid City Post Office | Kalkaska | 633 | Torch River |
| Lake Ann Post Office | Lake Ann Post Office | Benzie | 856 | Lake Ann |
| Weldon Post Office (historical) | Weldon Post Office (historical) | Benzie | 837 | Benzonia |
| Watervale Post Office (historical) | Watervale Post Office (historical) | Benzie | 604 | Elberta |
| Wallin Post Office (historical) | Wallin Post Office (historical) | Benzie | 817 | Thompsonville |
| Turtle Lake Post Office (historical) | Turtle Lake Post Office (historical) | Benzie | 843 | Thompsonville |
| Success Post Office (historical) | Success Post Office (historical) | Benzie | 804 | Lake Ann |
| Stormer Post Office (historical) | Stormer Post Office (historical) | Benzie | 774 | Beulah |
| Pratts Post Office (historical) | Pratts Post Office (historical) | Benzie | Unknown | |
| Platte Post Office (historical) | Platte Post Office (historical) | Benzie | 728 | Empire |
| Oviatt Post Office (historical) | Oviatt Post Office (historical) | Benzie | 899 | Burdickville |
| Osborn Post Office (historical) | Osborn Post Office (historical) | Benzie | 902 | Burdickville |
| Nessen City Post Office (historical) | Nessen City Post Office (historical) | Benzie | 856 | Thompsonville |
| Melva Post Office (historical) | Melva Post Office (historical) | Benzie | 820 | Lake Ann |
| Walkley Post Office (historical) | Walkley Post Office (historical) | Benzie | Unknown | |
| Mowers Post Office (historical) | Mowers Post Office (historical) | Benzie | Unknown | |
| Joyfield Post Office (historical) | Joyfield Post Office (historical) | Benzie | 820 | Benzonia |
| Inland Post Office (historical) | Inland Post Office (historical) | Benzie | 935 | Lake Ann |
| Homestead Post Office (historical) | Homestead Post Office (historical) | Benzie | 804 | Benzonia |
| Grace Post Office (historical) | Grace Post Office (historical) | Benzie | 840 | Elberta |
| Gilmore Post Office (historical) | Gilmore Post Office (historical) | Benzie | 919 | Elberta |
| Edgewater Post Office (historical) | Edgewater Post Office (historical) | Benzie | 594 | Beulah |
| Collison Post Office (historical) | Collison Post Office (historical) | Benzie | Unknown | |
| Cedar Run Post Office (historical) | Cedar Run Post Office (historical) | Benzie | 787 | Maple City |
| Bendon Post Office (historical) | Bendon Post Office (historical) | Benzie | 846 | Lake Ann |
| Aral Post Office (historical) | Aral Post Office (historical) | Benzie | 604 | Empire |
| Almira Post Office (historical) | Almira Post Office (historical) | Benzie | 906 | Platte River |
| Yuba Post Office (historical) | Yuba Post Office (historical) | Grand Traverse | 610 | Williamsburg |
| Whipple Post Office (historical) | Whipple Post Office (historical) | Grand Traverse | 1053 | Walton |
| Walton Post Office (historical) | Walton Post Office (historical) | Grand Traverse | 1033 | Walton |
| Summit City Post Office (historical) | Summit City Post Office (historical) | Grand Traverse | 1063 | Kingsley |
| Stacy Post Office (historical) | Stacy Post Office (historical) | Grand Traverse | Unknown | |
| Neal Post Office (historical) | Neal Post Office (historical) | Grand Traverse | Unknown | |
| Neahtawanta Post Office (historical) | Neahtawanta Post Office (historical) | Grand Traverse | 627 | Mapleton |
| Monroe Center Post Office (historical) | Monroe Center Post Office (historical) | Grand Traverse | 1037 | Buckley |
| Moffatt Post Office (historical) | Moffatt Post Office (historical) | Grand Traverse | Unknown | |
| Mapleton Post Office (historical) | Mapleton Post Office (historical) | Grand Traverse | 755 | Mapleton |
| Mabel Post Office (historical) | Mabel Post Office (historical) | Grand Traverse | 696 | Torch River |
| Long Lake Post Office (historical) | Long Lake Post Office (historical) | Grand Traverse | Unknown | |
| Lake Brewster Post Office (historical) | Lake Brewster Post Office (historical) | Grand Traverse | 1033 | Kingsley |
| Karlin Post Office | Karlin Post Office | Grand Traverse | 896 | Karlin |
| Hodge Post Office (historical) | Hodge Post Office (historical) | Grand Traverse | 1010 | Walton |
| Hopkinsville Post Office (historical) | Hopkinsville Post Office (historical) | Grand Traverse | Unknown | |
| Hannah Post Office (historical) | Hannah Post Office (historical) | Grand Traverse | 1063 | Buckley |
| Friend Post Office (historical) | Friend Post Office (historical) | Grand Traverse | 902 | Maple City |
| Slights Post Office (historical) | Slights Post Office (historical) | Grand Traverse | 722 | Mayfield |
| Beitner Post Office (historical) | Beitner Post Office (historical) | Grand Traverse | 745 | Grawn |
| Bates Post Office (historical) | Bates Post Office (historical) | Grand Traverse | 722 | Williamsburg |
| Bartlett Post Office (historical) | Bartlett Post Office (historical) | Grand Traverse | 1043 | Buckley |
| Archie Post Office (historical) | Archie Post Office (historical) | Grand Traverse | 591 | Traverse City SE |
| Angell Post Office (historical) | Angell Post Office (historical) | Grand Traverse | 614 | Williamsburg |
| Wormwood Post Office (historical) | Wormwood Post Office (historical) | Grand Traverse | 1102 | Karlin |
| Keystone Post Office (historical) | Keystone Post Office (historical) | Grand Traverse | 686 | Grawn |
| Betsey Lake Post Office (historical) | Betsey Lake Post Office (historical) | Grand Traverse | Unknown | |
| East Bay Post Office (historical) | East Bay Post Office (historical) | Grand Traverse | 587 | Mayfield |
| Traverse City Post Office | Traverse City Post Office | Grand Traverse | 594 | Traverse City SE |
| Old Mission Post Office | Old Mission Post Office | Grand Traverse | 584 | Elk Rapids |
| Mayfield Post Office | Mayfield Post Office | Grand Traverse | 837 | Mayfield |
| Kingsley Post Office | Kingsley Post Office | Grand Traverse | 974 | Kingsley |
| Interlochen Post Office | Interlochen Post Office | Grand Traverse | 843 | Lake Ann |
| Grawn Post Office | Grawn Post Office | Grand Traverse | 879 | Grawn |
| Fife Lake Post Office | Fife Lake Post Office | Grand Traverse | 1037 | Fife Lake |
| Acme Post Office | Acme Post Office | Grand Traverse | 594 | Traverse City SE |
| Williamsburg Post Office | Williamsburg Post Office | Grand Traverse | 732 | Williamsburg |
| Grouleau Post Office (historical) | Grouleau Post Office (historical) | Alcona | Unknown | |
| Roy Post Office (historical) | Roy Post Office (historical) | Alcona | 623 | Mikado |
| Ponca Post Office (historical) | Ponca Post Office (historical) | Alcona | 860 | McGinn Creek |
| McGinn Post Office (historical) | McGinn Post Office (historical) | Alcona | 879 | McGinn Creek |
| Lott Post Office (historical) | Lott Post Office (historical) | Alcona | 899 | Glennie |
| Ritchie Post Office (historical) | Ritchie Post Office (historical) | Alcona | 814 | Spruce |
| Lodge Post Office (historical) | Lodge Post Office (historical) | Alcona | 820 | Black River |
| Kurtz Post Office (historical) | Kurtz Post Office (historical) | Alcona | 840 | Glennie |
| Killmaster Post Office (historical) | Killmaster Post Office (historical) | Alcona | 689 | Lincoln |
| Hawes Post Office (historical) | Hawes Post Office (historical) | Alcona | 784 | Lincoln |
| Hardy Post Office (historical) | Hardy Post Office (historical) | Alcona | 991 | McKinley |
| Gustin Post Office (historical) | Gustin Post Office (historical) | Alcona | 696 | Lincoln |
| Curtisville Post Office (historical) | Curtisville Post Office (historical) | Alcona | 955 | Alcona Dam Pond |
| Bamfield Post Office (historical) | Bamfield Post Office (historical) | Alcona | 886 | Alcona Dam Pond |
| Alvin Post Office (historical) | Alvin Post Office (historical) | Alcona | 699 | Mikado |
| Alcona Post Office (historical) | Alcona Post Office (historical) | Alcona | 591 | Black River |
| Spruce Post Office | Spruce Post Office | Alcona | 778 | Spruce |
| Mikado Post Office | Mikado Post Office | Alcona | 656 | Mikado |
| Lincoln Post Office | Lincoln Post Office | Alcona | 784 | Lincoln |
| Harrisville Post Office | Harrisville Post Office | Alcona | 604 | Harrisville |
| Greenbush Post Office | Greenbush Post Office | Alcona | 614 | Greenbush |
| Glennie Post Office | Glennie Post Office | Alcona | 1020 | Glennie |
| Curran Post Office | Curran Post Office | Alcona | 919 | Curran |
| Black River Post Office | Black River Post Office | Alcona | 584 | Black River |
| Barton City Post Office | Barton City Post Office | Alcona | 840 | Barton City |
| Grayling Post Office | Grayling Post Office | Crawford | 1142 | Grayling |
| Frederic Post Office | Frederic Post Office | Crawford | 1211 | Frederic |
| Wellington Post Office (historical) | Wellington Post Office (historical) | Crawford | 1211 | Cote Dame Marie |
| Sigsbee Post Office (historical) | Sigsbee Post Office (historical) | Crawford | 1109 | Wakeley Lake |
| Pere Cheney Post Office (historical) | Pere Cheney Post Office (historical) | Crawford | 1201 | Pere Cheney |
| Hardgrove Post Office (historical) | Hardgrove Post Office (historical) | Crawford | Unknown | |
| Faith Post Office (historical) | Faith Post Office (historical) | Crawford | Unknown | |
| Lovells Post Office (historical) | Lovells Post Office (historical) | Crawford | 1158 | Lovells |
| Eldorado Post Office (historical) | Eldorado Post Office (historical) | Crawford | 1322 | Eldorado |
| Deward Post Office (historical) | Deward Post Office (historical) | Crawford | 1234 | Frederic |
| Coy Post Office (historical) | Coy Post Office (historical) | Crawford | Unknown | |
| Tanner Post Office (historical) | Tanner Post Office (historical) | Manistee | 702 | Brethren |
| Stronach Post Office (historical) | Stronach Post Office (historical) | Manistee | 604 | Manistee |
| Portage Point Post Office (historical) | Portage Point Post Office (historical) | Manistee | 581 | Parkdale |
| Pomona Post Office (historical) | Pomona Post Office (historical) | Manistee | 869 | Copemish |
| Pleasanton Post Office (historical) | Pleasanton Post Office (historical) | Manistee | 886 | Pleasanton |
| Pierport Post Office (historical) | Pierport Post Office (historical) | Manistee | 636 | Bear Lake |
| Parkdale Post Office (historical) | Parkdale Post Office (historical) | Manistee | 600 | Parkdale |
| Oakhill Post Office (historical) | Oakhill Post Office (historical) | Manistee | 656 | Manistee |
| Norwalk Post Office (historical) | Norwalk Post Office (historical) | Manistee | 735 | Onekama |
| Marilla Post Office (historical) | Marilla Post Office (historical) | Manistee | 942 | Marilla |
| Malcolm Post Office (historical) | Malcolm Post Office (historical) | Manistee | 840 | Bear Lake |
| Lemon Lake Post Office (historical) | Lemon Lake Post Office (historical) | Manistee | 791 | Copemish |
| Humphrey Post Office (historical) | Humphrey Post Office (historical) | Manistee | 794 | Pleasanton |
| High Bridge Post Office (historical) | High Bridge Post Office (historical) | Manistee | 689 | Brethren |
| Henry Post Office (historical) | Henry Post Office (historical) | Manistee | 784 | Copemish |
| Harlan Post Office (historical) | Harlan Post Office (historical) | Manistee | 1050 | Harlan |
| Manistee Post Office | Manistee Post Office | Manistee | 627 | Manistee |
| Mio Post Office | Mio Post Office | Oscoda | 1024 | Mio |
| Luzerne Post Office | Luzerne Post Office | Oscoda | 1073 | Luzerne |
| Fairview Post Office | Fairview Post Office | Oscoda | 1175 | Fairview |
| Comins Post Office | Comins Post Office | Oscoda | 1047 | Comins |
| Tyrrell Post Office (historical) | Tyrrell Post Office (historical) | Oscoda | 1181 | Luzerne |
| Wood Post Office (historical) | Wood Post Office (historical) | Oscoda | Unknown | |
| Spoor Post Office (historical) | Spoor Post Office (historical) | Oscoda | Unknown | |
| Royce Post Office (historical) | Royce Post Office (historical) | Oscoda | Unknown | |
| Red Oak Post Office (historical) | Red Oak Post Office (historical) | Oscoda | 1168 | Red Oak |
| McKinley Post Office (historical) | McKinley Post Office (historical) | Oscoda | 919 | McKinley |
| Mack City Post Office (historical) | Mack City Post Office (historical) | Oscoda | 1188 | Mack Lake |
| Kneeland Post Office (historical) | Kneeland Post Office (historical) | Oscoda | 1073 | Fairview |
| Odessa Post Office (historical) | Odessa Post Office (historical) | Oscoda | 1217 | Luzerne |
| Indian Lake Post Office (historical) | Indian Lake Post Office (historical) | Oscoda | 1089 | Island Lake |
| Biggs Post Office (historical) | Biggs Post Office (historical) | Oscoda | 1115 | Mio |
| Ryno Post Office (historical) | Ryno Post Office (historical) | Oscoda | 1122 | Mio |
| Wellston Post Office | Wellston Post Office | Manistee | 771 | Wellston |
| Onekama Post Office | Onekama Post Office | Manistee | 600 | Onekama |
| Kaleva Post Office | Kaleva Post Office | Manistee | 748 | Brethren |
| Brethren Post Office | Brethren Post Office | Manistee | 722 | Brethren |
| Copemish Post Office | Copemish Post Office | Manistee | 810 | Copemish |
| Eastlake Post Office | Eastlake Post Office | Manistee | 653 | Manistee |
| Filer City Post Office | Filer City Post Office | Manistee | 600 | Manistee |
| Bear Lake Post Office | Bear Lake Post Office | Manistee | 801 | Bear Lake |
| Arcadia Post Office | Arcadia Post Office | Manistee | 604 | Bear Lake |
| Branch Post Office | Branch Post Office | Lake | 751 | Tallman |
| Vogel Center Post Office (historical) | Vogel Center Post Office (historical) | Missaukee | 1161 | Falmouth |
| Stratford Post Office (historical) | Stratford Post Office (historical) | Missaukee | Unknown | |
| Stittsville Post Office (historical) | Stittsville Post Office (historical) | Missaukee | 1296 | Stittsville |
| Star City Post Office (historical) | Star City Post Office (historical) | Missaukee | 1171 | Merritt |
| Prosper Post Office (historical) | Prosper Post Office (historical) | Missaukee | 1197 | Falmouth |
| Pioneer Post Office (historical) | Pioneer Post Office (historical) | Missaukee | 1325 | Morey |
| Nixon Post Office (historical) | Nixon Post Office (historical) | Missaukee | Unknown | |
| Naples Post Office (historical) | Naples Post Office (historical) | Missaukee | Unknown | |
| Mynnings Post Office (historical) | Mynnings Post Office (historical) | Missaukee | 1227 | Dinca |
| Morey Post Office (historical) | Morey Post Office (historical) | Missaukee | 1214 | Morey |
| Moorestown Post Office (historical) | Moorestown Post Office (historical) | Missaukee | 1214 | Stittsville |
| Moddersville Post Office (historical) | Moddersville Post Office (historical) | Missaukee | 1178 | Moddersville |
| Missaukee Post Office (historical) | Missaukee Post Office (historical) | Missaukee | 1197 | Dinca |
| Lucas Post Office (historical) | Lucas Post Office (historical) | Missaukee | 1289 | Lucas |
| Jennings Post Office (historical) | Jennings Post Office (historical) | Missaukee | 1306 | Jennings |
| Haymarsh Post Office (historical) | Haymarsh Post Office (historical) | Missaukee | Unknown | |
| Garfield Post Office (historical) | Garfield Post Office (historical) | Missaukee | Unknown | |
| Galt Post Office (historical) | Galt Post Office (historical) | Missaukee | Unknown | |
| Frey Post Office (historical) | Frey Post Office (historical) | Missaukee | 1217 | Lake City |
| Forward Post Office (historical) | Forward Post Office (historical) | Missaukee | 1171 | Falmouth |
| Edson Corners Post Office (historical) | Edson Corners Post Office (historical) | Missaukee | 1122 | Merritt |
| Dolph Post Office (historical) | Dolph Post Office (historical) | Missaukee | 1102 | Moddersville |
| Dinca Post Office (historical) | Dinca Post Office (historical) | Missaukee | 1197 | Dinca |
| Cutcheon Post Office (historical) | Cutcheon Post Office (historical) | Missaukee | 1299 | Morey |
| Butterfield Post Office (historical) | Butterfield Post Office (historical) | Missaukee | 1161 | Merritt |
| Barger Post Office (historical) | Barger Post Office (historical) | Missaukee | 1178 | Dinca |
| Arlene Post Office (historical) | Arlene Post Office (historical) | Missaukee | 1283 | Arlene |
| Lake City Post Office | Lake City Post Office | Missaukee | 1250 | Lake City |
| Merritt Post Office | Merritt Post Office | Missaukee | 1152 | Merritt |
| McBain Post Office | McBain Post Office | Missaukee | 1240 | McBain |
| Falmouth Post Office | Falmouth Post Office | Missaukee | 1171 | Falmouth |
| West Branch Post Office | West Branch Post Office | Ogemaw | 961 | West Branch |
| Rose City Post Office | Rose City Post Office | Ogemaw | 968 | Rose City |
| South Branch Post Office | South Branch Post Office | Ogemaw | 935 | South Branch |
| Prescott Post Office | Prescott Post Office | Ogemaw | 794 | Prescott |
| Lupton Post Office | Lupton Post Office | Ogemaw | 925 | Rose City |
| Slayton Post Office (historical) | Slayton Post Office (historical) | Ogemaw | Unknown | |
| Selkirk Post Office (historical) | Selkirk Post Office (historical) | Ogemaw | 869 | Selkirk |
| Sage Post Office (historical) | Sage Post Office (historical) | Ogemaw | 906 | Selkirk |
| Piper Post Office (historical) | Piper Post Office (historical) | Ogemaw | 1283 | Saint Helen NE |
| Ogemaw Springs Post Office (historical) | Ogemaw Springs Post Office (historical) | Ogemaw | 1125 | Ogemaw Springs |
| Nester Post Office (historical) | Nester Post Office (historical) | Ogemaw | 830 | Sage Lake |
| Maltby Post Office (historical) | Maltby Post Office (historical) | Ogemaw | 928 | South Branch |
| Hardwoodlake Post Office (historical) | Hardwoodlake Post Office (historical) | Ogemaw | Unknown | |
| Greenwood Post Office (historical) | Greenwood Post Office (historical) | Ogemaw | 820 | Sterling NW |
| Goodar Post Office (historical) | Goodar Post Office (historical) | Ogemaw | 1030 | Goodar |
| Edward Post Office (historical) | Edward Post Office (historical) | Ogemaw | 843 | Edwards |
| Damon Post Office (historical) | Damon Post Office (historical) | Ogemaw | 1329 | Damon |
| Corrigan Post Office (historical) | Corrigan Post Office (historical) | Ogemaw | Unknown | |
| Canfield Post Office (historical) | Canfield Post Office (historical) | Ogemaw | Unknown | |
| Campbells Corners Post Office (historical) | Campbells Corners Post Office (historical) | Ogemaw | 1063 | West Branch |
| Beaver Lake Post Office (historical) | Beaver Lake Post Office (historical) | Ogemaw | 1240 | Ogemaw Springs |
| Nolan Post Office (historical) | Nolan Post Office (historical) | Roscommon | 1099 | Butman |
| Nellsville Post Office (historical) | Nellsville Post Office (historical) | Roscommon | 1152 | Houghton Lake |
| Michelson Post Office (historical) | Michelson Post Office (historical) | Roscommon | 1138 | Meads Landing |
| Markey Post Office (historical) | Markey Post Office (historical) | Roscommon | 1148 | Lyon Manor |
| Loxley Post Office (historical) | Loxley Post Office (historical) | Roscommon | 1122 | Houghton Lake |
| Kirkland Post Office (historical) | Kirkland Post Office (historical) | Roscommon | Unknown | |
| Keno Post Office (historical) | Keno Post Office (historical) | Roscommon | 1171 | Saint Helen NW |
| Verncroft Post Office (historical) | Verncroft Post Office (historical) | Roscommon | Unknown | |
| Jacwac Post Office (historical) | Jacwac Post Office (historical) | Roscommon | Unknown | |
| Houghton Point Post Office (historical) | Houghton Point Post Office (historical) | Roscommon | 1142 | Houghton Lake |
| Higgins Post Office (historical) | Higgins Post Office (historical) | Roscommon | Unknown | |
| Geels Post Office (historical) | Geels Post Office (historical) | Roscommon | 1168 | Saint Helen NW |
| Coy Post Office (historical) | Coy Post Office (historical) | Roscommon | Unknown | |
| Achill Post Office (historical) | Achill Post Office (historical) | Roscommon | 1122 | Meredith |
| Saint Helen Post Office | Saint Helen Post Office | Roscommon | 1191 | Saint Helen |
| Roscommon Post Office | Roscommon Post Office | Roscommon | 1129 | Roscommon South |
| Prudenville Post Office | Prudenville Post Office | Roscommon | 1148 | Prudenville |
| Houghton Lake Post Office | Houghton Lake Post Office | Roscommon | 1237 | Houghton Lake |
| Higgins Lake Post Office | Higgins Lake Post Office | Roscommon | 1161 | Meads Landing |
| Yuma Post Office (historical) | Yuma Post Office (historical) | Wexford | 981 | Yuma |
| Wheatland Post Office (historical) | Wheatland Post Office (historical) | Wexford | 1201 | Mesick NE |
| Wexford Post Office (historical) | Wexford Post Office (historical) | Wexford | 1050 | Buckley |
| West Summit Post Office (historical) | West Summit Post Office (historical) | Wexford | Unknown | |
| Viola Post Office (historical) | Viola Post Office (historical) | Wexford | Unknown | |
| Umatilla Post Office (historical) | Umatilla Post Office (historical) | Wexford | Unknown | |
| Thorp Post Office (historical) | Thorp Post Office (historical) | Wexford | Unknown | |
| Stocking Post Office (historical) | Stocking Post Office (historical) | Wexford | Unknown | |
| Soper Post Office | Soper Post Office | Wexford | Unknown | |
| Sherman Post Office (historical) | Sherman Post Office (historical) | Wexford | 915 | Mesick |
| Round Lake Post Office (historical) | Round Lake Post Office (historical) | Wexford | 1289 | Jennings |
| Rodingen Post Office (historical) | Rodingen Post Office (historical) | Wexford | Unknown | |
| Mystic Post Office (historical) | Mystic Post Office (historical) | Wexford | 1027 | Manton |
| Millersville Post Office (historical) | Millersville Post Office (historical) | Wexford | 1394 | Boon |
| Meauwataka Post Office (historical) | Meauwataka Post Office (historical) | Wexford | 1365 | Boon |
| Hoxeyville Post Office | Hoxeyville Post Office | Wexford | 1148 | Hoxeyville |
| Hobart Post Office (historical) | Hobart Post Office (historical) | Wexford | 1316 | Cadillac South |
| Haring Post Office (historical) | Haring Post Office (historical) | Wexford | 1325 | Cadillac North |
| Haire Post Office (historical) | Haire Post Office (historical) | Wexford | 1076 | Manton |
| Gilbert Post Office (historical) | Gilbert Post Office (historical) | Wexford | 1263 | Manton |
| Elton Post Office (historical) | Elton Post Office (historical) | Wexford | 1398 | Lucas |
| Coline Post Office (historical) | Coline Post Office (historical) | Wexford | Unknown | |
| Colfax Post Office (historical) | Colfax Post Office (historical) | Wexford | Unknown | |
| Cherry Grove Post Office (historical) | Cherry Grove Post Office (historical) | Wexford | Unknown | |
| Bunyea Post Office (historical) | Bunyea Post Office (historical) | Wexford | 1358 | Boon |
| Bond's Mills Post Office (historical) | Bond's Mills Post Office (historical) | Wexford | 1348 | Cadillac North |
| Benson Post Office (historical) | Benson Post Office (historical) | Wexford | 1299 | Cadillac South |
| Baxter Post Office (historical) | Baxter Post Office (historical) | Wexford | 1033 | Kingsley |
| Bandola Post Office (historical) | Bandola Post Office (historical) | Wexford | Unknown | |
| Ballou Post Office (historical) | Ballou Post Office (historical) | Wexford | 1381 | Cadillac North |
| Bagnell Post Office (historical) | Bagnell Post Office (historical) | Wexford | 951 | Harlan |
| Axin Post Office (historical) | Axin Post Office (historical) | Wexford | 1332 | Axin |
| Angola Post Office (historical) | Angola Post Office (historical) | Wexford | 1161 | Hoxeyville |
| Cadillac Post Office | Cadillac Post Office | Wexford | 1312 | Cadillac North |
| Mesick Post Office | Mesick Post Office | Wexford | 902 | Mesick |
| Manton Post Office | Manton Post Office | Wexford | 1106 | Manton |
| Harrietta Post Office | Harrietta Post Office | Wexford | 1129 | Harrietta |
| Buckley Post Office | Buckley Post Office | Wexford | 1047 | Buckley |
| Boon Post Office | Boon Post Office | Wexford | 1384 | Boon |
| Luther Post Office | Luther Post Office | Lake | 1024 | Luther |
| Irons Post Office | Irons Post Office | Lake | 856 | Wellston |
| Chase Post Office | Chase Post Office | Lake | 1093 | Chase |
| Baldwin Post Office | Baldwin Post Office | Lake | 827 | Baldwin |
| Wingleton Post Office (historical) | Wingleton Post Office (historical) | Lake | 794 | Townsend Lake |
| Ungers Post Office (historical) | Ungers Post Office (historical) | Lake | 892 | Baldwin |
| Totten Post Office (historical) | Totten Post Office (historical) | Lake | 1099 | Luther |
| Willville Post Office (historical) | Willville Post Office (historical) | Lake | Unknown | |
| Russell's Mills Post Office (historical) | Russell's Mills Post Office (historical) | Lake | Unknown | |
| Renoe Post Office (historical) | Renoe Post Office (historical) | Lake | Unknown | |
| Raiguel Post Office (historical) | Raiguel Post Office (historical) | Lake | Unknown | |
| Pine River Post Office (historical) | Pine River Post Office (historical) | Lake | Unknown | |
| Sauble Post Office (historical) | Sauble Post Office (historical) | Lake | 735 | Peacock |
| Peacock Post Office (historical) | Peacock Post Office (historical) | Lake | 866 | Peacock |
| Oliver Post Office (historical) | Oliver Post Office (historical) | Lake | 1201 | Reed City North |
| Norway Hall Post Office (historical) | Norway Hall Post Office (historical) | Lake | 1053 | Whipple Lake |
| Nirvana Post Office (historical) | Nirvana Post Office (historical) | Lake | 971 | Chase |
| Marlboro Post Office (historical) | Marlboro Post Office (historical) | Lake | 810 | Marlborough |
| Keenan Post Office (historical) | Keenan Post Office (historical) | Lake | 1142 | Bristol |
| Forman Post Office (historical) | Forman Post Office (historical) | Lake | 830 | Baldwin |
| Ferndale Post Office (historical) | Ferndale Post Office (historical) | Lake | Unknown | |
| Ellsworth Post Office (historical) | Ellsworth Post Office (historical) | Lake | Unknown | |
| Edgetts Post Office (historical) | Edgetts Post Office (historical) | Lake | 1076 | Bristol |
| Deer Lake Post Office (historical) | Deer Lake Post Office (historical) | Lake | 1211 | Reed City North |
| Copley Post Office (historical) | Copley Post Office (historical) | Lake | 915 | Stewart Lake |
| Bristol Post Office (historical) | Bristol Post Office (historical) | Lake | 1207 | Bristol |
| Clark Post Office (historical) | Clark Post Office (historical) | Lake | Unknown | |
| Bennett Post Office (historical) | Bennett Post Office (historical) | Lake | Unknown | |
| Tawas City Post Office | Tawas City Post Office | Iosco | 591 | Tawas City |
| Whittemore Post Office | Whittemore Post Office | Iosco | 778 | Whittemore |
| Oscoda Post Office | Oscoda Post Office | Iosco | 587 | Oscoda |
| Hale Post Office | Hale Post Office | Iosco | 856 | Hale |
| East Tawas Post Office | East Tawas Post Office | Iosco | 594 | East Tawas |
| National City Post Office | National City Post Office | Iosco | 673 | National City |
| Long Lake Post Office | Long Lake Post Office | Iosco | 919 | Hale |
| Wilber Post Office (historical) | Wilber Post Office (historical) | Iosco | 656 | Foote Site Village |
| Vine Post Office (historical) | Vine Post Office (historical) | Iosco | 633 | Tawas City |
| McIvor Post Office (historical) | McIvor Post Office (historical) | Iosco | 663 | National City |
| Ogemaw Post Office (historical) | Ogemaw Post Office (historical) | Iosco | 784 | Floyd Lake |
| Iosco Post Office (historical) | Iosco Post Office (historical) | Iosco | 794 | Floyd Lake |
| Turtle Post Office (historical) | Turtle Post Office (historical) | Iosco | 640 | National City |
| Siloam Post Office (historical) | Siloam Post Office (historical) | Iosco | 823 | Hale SE |
| Serradella Post Office (historical) | Serradella Post Office (historical) | Iosco | 610 | Greenbush |
| Five Channels Post Office (historical) | Five Channels Post Office (historical) | Iosco | 853 | Loud Dam |
| Edson Post Office (historical) | Edson Post Office (historical) | Iosco | 709 | Floyd Lake |
| Au Sable Post Office (historical) | Au Sable Post Office (historical) | Iosco | 597 | Oscoda |
| Alabaster Post Office (historical) | Alabaster Post Office (historical) | Iosco | 587 | Alabaster |
| Rollo Post Office (historical) | Rollo Post Office (historical) | Iosco | Unknown | |
| Maxwell Post Office (historical) | Maxwell Post Office (historical) | Iosco | Unknown | |
| Acton Post Office (historical) | Acton Post Office (historical) | Iosco | Unknown | |
| Wesley Post Office (historical) | Wesley Post Office (historical) | Mason | 738 | Ludington |
| Wiley Post Office (historical) | Wiley Post Office (historical) | Mason | 686 | Wiley |
| Weldon Creek Post Office (historical) | Weldon Creek Post Office (historical) | Mason | 689 | Custer |
| Victory Post Office (historical) | Victory Post Office (historical) | Mason | 682 | Scottville |
| Tallman Post Office (historical) | Tallman Post Office (historical) | Mason | 722 | Tallman |
| Sugargrove Post Office (historical) | Sugargrove Post Office (historical) | Mason | 682 | Kings Corners |
| Squireville Post Office (historical) | Squireville Post Office (historical) | Mason | 669 | Wiley |
| Riverton Post Office (historical) | Riverton Post Office (historical) | Mason | 659 | Scottville |
| Point Sable Post Office (historical) | Point Sable Post Office (historical) | Mason | 591 | Hamlin Lake OE W |
| Millerton Post Office | Millerton Post Office | Mason | 718 | Millerton |
| Lincoln Post Office (historical) | Lincoln Post Office (historical) | Mason | 610 | Ludington |
| Fern Post Office (historical) | Fern Post Office (historical) | Mason | 718 | Crystal Valley |
| Fairview Post Office (historical) | Fairview Post Office (historical) | Mason | 712 | Pentwater |
| East Riverton Post Office (historical) | East Riverton Post Office (historical) | Mason | 650 | Scottville |
| Carrs Post Office (historical) | Carrs Post Office (historical) | Mason | 722 | Carr |
| Buttersville Post Office (historical) | Buttersville Post Office (historical) | Mason | 600 | Ludington |
| Basslake Post Office (historical) | Basslake Post Office (historical) | Mason | 623 | Pentwater |
| Bachelor Post Office (historical) | Bachelor Post Office (historical) | Mason | 718 | Free Soil |
| Amber Post Office (historical) | Amber Post Office (historical) | Mason | 679 | Scottville |
| Siddons Post Office (historical) | Siddons Post Office (historical) | Mason | Unknown | |
| Poulsen Post Office (historical) | Poulsen Post Office (historical) | Mason | Unknown | |
| Pere Marquette Post Office (historical) | Pere Marquette Post Office (historical) | Mason | Unknown | |
| Marble Post Office (historical) | Marble Post Office (historical) | Mason | Unknown | |
| La Carp Post Office (historical) | La Carp Post Office (historical) | Mason | Unknown | |
| Egypt Post Office (historical) | Egypt Post Office (historical) | Mason | Unknown | |
| Colfax Post Office (historical) | Colfax Post Office (historical) | Mason | Unknown | |
| Chapple Corners Post Office (historical) | Chapple Corners Post Office (historical) | Mason | Unknown | |
| Abbott Post Office (historical) | Abbott Post Office (historical) | Mason | Unknown | |
| Ludington Post Office | Ludington Post Office | Mason | 607 | Ludington |
| Scottville Post Office | Scottville Post Office | Mason | 679 | Scottville |
| Walhalla Post Office | Walhalla Post Office | Mason | 699 | Tallman |
| Free Soil Post Office | Free Soil Post Office | Mason | 679 | Free Soil |
| Fountain Post Office | Fountain Post Office | Mason | 699 | Free Soil |
| Custer Post Office | Custer Post Office | Mason | 692 | Custer |
| Reed City Post Office | Reed City Post Office | Osceola | 1040 | Reed City North |
| Roselake Post Office (historical) | Roselake Post Office (historical) | Osceola | Unknown | |
| Riverbank Post Office (historical) | Riverbank Post Office (historical) | Osceola | 1070 | Bristol |
| Parklake Post Office (historical) | Parklake Post Office (historical) | Osceola | 1230 | McBain |
| Orono Post Office (historical) | Orono Post Office (historical) | Osceola | 1106 | Reed City North |
| Orient Post Office (historical) | Orient Post Office (historical) | Osceola | 1024 | Merrill Lake |
| Ina Post Office (historical) | Ina Post Office (historical) | Osceola | 1345 | Dighton |
| Hartwick Post Office (historical) | Hartwick Post Office (historical) | Osceola | Unknown | |
| Gormer Post Office (historical) | Gormer Post Office (historical) | Osceola | 1165 | Marion |
| Dewings Post Office (historical) | Dewings Post Office (historical) | Osceola | 1207 | Bristol |
| Dighton Post Office (historical) | Dighton Post Office (historical) | Osceola | 1348 | Dighton |
| Chippewa Station Post Office (historical) | Chippewa Station Post Office (historical) | Osceola | 1033 | Lake NE |
| Avondale Post Office (historical) | Avondale Post Office (historical) | Osceola | 1224 | Marion |
| Brazil Post Office (historical) | Brazil Post Office (historical) | Osceola | Unknown | |
| Randolph Post Office (historical) | Randolph Post Office (historical) | Osceola | Unknown | |
| Penesa Post Office (historical) | Penesa Post Office (historical) | Osceola | Unknown | |
| Milburn Post Office (historical) | Milburn Post Office (historical) | Osceola | Unknown | |
| Headland Post Office (historical) | Headland Post Office (historical) | Osceola | Unknown | |
| Frielingville Post Office (historical) | Frielingville Post Office (historical) | Osceola | Unknown | |
| Earl Post Office (historical) | Earl Post Office (historical) | Osceola | Unknown | |
| Brookside Post Office (historical) | Brookside Post Office (historical) | Osceola | Unknown | |
| Tustin Post Office | Tustin Post Office | Osceola | 1230 | Le Roy |
| Ashton Post Office (historical) | Ashton Post Office (historical) | Osceola | 1171 | Reed City North |
| Sears Post Office | Sears Post Office | Osceola | 1047 | Sears |
| Marion Post Office | Marion Post Office | Osceola | 1112 | Marion |
| Le Roy Post Office | Le Roy Post Office | Osceola | 1266 | Le Roy |
| Hersey Post Office | Hersey Post Office | Osceola | 974 | Hersey |
| Evart Post Office | Evart Post Office | Osceola | 1014 | Evart |
| Standish Post Office | Standish Post Office | Arenac | 623 | Standish |
| Sterling Post Office | Sterling Post Office | Arenac | 761 | Sterling |
| Twining Post Office | Twining Post Office | Arenac | 640 | Omer |
| Omer Post Office | Omer Post Office | Arenac | 614 | Omer |
| Au Gres Post Office | Au Gres Post Office | Arenac | 591 | Au Gres |
| Alger Post Office | Alger Post Office | Arenac | 784 | Skidway Lake |
| Turner Post Office | Turner Post Office | Arenac | 633 | Whittemore |
| Worth Post Office (historical) | Worth Post Office (historical) | Arenac | 610 | Standish |
| Santiago Post Office (historical) | Santiago Post Office (historical) | Arenac | 591 | Au Gres |
| Saganing Post Office (historical) | Saganing Post Office (historical) | Arenac | 587 | Standish |
| Pine River Post Office (historical) | Pine River Post Office (historical) | Arenac | 600 | Standish |
| Moores Junction Post Office (historical) | Moores Junction Post Office (historical) | Arenac | 748 | Sterling |
| Melita Post Office (historical) | Melita Post Office (historical) | Arenac | 837 | Sterling |
| Maple Ridge Post Office (historical) | Maple Ridge Post Office (historical) | Arenac | 807 | Prescott |
| Shearer Post Office (historical) | Shearer Post Office (historical) | Arenac | Unknown | |
| Deepriver Post Office (historical) | Deepriver Post Office (historical) | Arenac | 656 | Omer SW |
| Rowena Post Office (historical) | Rowena Post Office (historical) | Arenac | 837 | Sterling NW |
| Culver Post Office (historical) | Culver Post Office (historical) | Arenac | 791 | Sterling NW |
| Arenac Post Office (historical) | Arenac Post Office (historical) | Arenac | 600 | Omer |
| Stebbinsville Post Office (historical) | Stebbinsville Post Office (historical) | Oceana | 666 | Hesperia |
| Wager Post Office (historical) | Wager Post Office (historical) | Oceana | 755 | Ferry |
| Spring Creek Post Office (historical) | Spring Creek Post Office (historical) | Oceana | 617 | Wiley |
| Woodburn Post Office (historical) | Woodburn Post Office (historical) | Oceana | Unknown | |
| Weare Post Office (historical) | Weare Post Office (historical) | Oceana | 738 | Hart |
| Tigris Post Office (historical) | Tigris Post Office (historical) | Oceana | Unknown | |
| Smiths Corners Post Office (historical) | Smiths Corners Post Office (historical) | Oceana | 666 | Wiley |
| Peachridge Post Office (historical) | Peachridge Post Office (historical) | Oceana | Unknown | |
| Peachville Post Office (historical) | Peachville Post Office (historical) | Oceana | Unknown | |
| Marshville Post Office (historical) | Marshville Post Office (historical) | Oceana | 604 | Town Corners |
| Pa Pa Mee Post Office (historical) | Pa Pa Mee Post Office (historical) | Oceana | Unknown | |
| Oceana Post Office (historical) | Oceana Post Office (historical) | Oceana | Unknown | |
| Mugford Post Office (historical) | Mugford Post Office (historical) | Oceana | Unknown | |
| Klondike Post Office (historical) | Klondike Post Office (historical) | Oceana | 840 | Walkerville East |
| Maple Range Post Office (historical) | Maple Range Post Office (historical) | Oceana | Unknown | |
| Lattin Post Office (historical) | Lattin Post Office (historical) | Oceana | Unknown | |
| Houseman Post Office (historical) | Houseman Post Office (historical) | Oceana | Unknown | |
| Holstein Post Office (historical) | Holstein Post Office (historical) | Oceana | Unknown | |
| Hoffman Post Office (historical) | Hoffman Post Office (historical) | Oceana | Unknown | |
| Hazel Grove Post Office (historical) | Hazel Grove Post Office (historical) | Oceana | 709 | Holton |
| Hansen Post Office (historical) | Hansen Post Office (historical) | Oceana | 823 | Ferry |
| Golding Post Office (historical) | Golding Post Office (historical) | Oceana | 643 | Mears |
| Grand View Post Office (historical) | Grand View Post Office (historical) | Oceana | Unknown | |
| Gale Post Office (historical) | Gale Post Office (historical) | Oceana | Unknown | |
| Forest City Post Office (historical) | Forest City Post Office (historical) | Oceana | 755 | Holton |
| Flowercreek Post Office (historical) | Flowercreek Post Office (historical) | Oceana | 682 | Flower Creek |
| Ferry Post Office (historical) | Ferry Post Office (historical) | Oceana | 715 | Ferry |
| Elwood Post Office (historical) | Elwood Post Office (historical) | Oceana | Unknown | |
| Elbridge Post Office (historical) | Elbridge Post Office (historical) | Oceana | 945 | Walkerville West |
| East Golden Post Office (historical) | East Golden Post Office (historical) | Oceana | 771 | Mears |
| Crystal Valley Post Office (historical) | Crystal Valley Post Office (historical) | Oceana | 751 | Crystal Valley |
| Crystal Lake Post Office (historical) | Crystal Lake Post Office (historical) | Oceana | Unknown | |
| Cranston Post Office (historical) | Cranston Post Office (historical) | Oceana | Unknown | |
| Cobmoosa Post Office (historical) | Cobmoosa Post Office (historical) | Oceana | Unknown | |
| Claybanks Post Office (historical) | Claybanks Post Office (historical) | Oceana | 620 | Town Corners |
| Bradyville Post Office (historical) | Bradyville Post Office (historical) | Oceana | Unknown | |
| Blooming Valley Post Office (historical) | Blooming Valley Post Office (historical) | Oceana | Unknown | |
| Bird Post Office (historical) | Bird Post Office (historical) | Oceana | 863 | Walkerville East |
| Allencreek Post Office (historical) | Allencreek Post Office (historical) | Oceana | 869 | Carr |
| Alice Post Office (historical) | Alice Post Office (historical) | Oceana | 758 | Shelby |
| Shelby Post Office | Shelby Post Office | Oceana | 820 | Shelby |
| Hart Post Office | Hart Post Office | Oceana | 659 | Hart |
| Hesperia Post Office | Hesperia Post Office | Oceana | 728 | Hesperia |
| Walkerville Post Office | Walkerville Post Office | Oceana | 886 | Walkerville East |
| Rothbury Post Office | Rothbury Post Office | Oceana | 689 | Shelby |
| Pentwater Post Office | Pentwater Post Office | Oceana | 600 | Pentwater |
| New Era Post Office | New Era Post Office | Oceana | 755 | Shelby |
| Mears Post Office | Mears Post Office | Oceana | 778 | Mears |
| Gladwin Post Office | Gladwin Post Office | Gladwin | 784 | Gladwin |
| Rhodes Post Office | Rhodes Post Office | Gladwin | 732 | Bentley |
| Beaverton Post Office | Beaverton Post Office | Gladwin | 712 | Gladwin |
| Winegars Post Office (historical) | Winegars Post Office (historical) | Gladwin | 728 | Wooden Shoe Village |
| Second Post Office (historical) | Second Post Office (historical) | Gladwin | 735 | Secord Lake |
| Skeels Post Office (historical) | Skeels Post Office (historical) | Gladwin | 1001 | Skeels |
| Oberlin Post Office (historical) | Oberlin Post Office (historical) | Gladwin | 896 | Skeels |
| Lyle Post Office (historical) | Lyle Post Office (historical) | Gladwin | 751 | Coleman |
| McClure Post Office (historical) | McClure Post Office (historical) | Gladwin | 820 | Wagarville |
| Sugar Rapids Post Office (historical) | Sugar Rapids Post Office (historical) | Gladwin | 794 | Wagarville |
| Hockaday Post Office (historical) | Hockaday Post Office (historical) | Gladwin | 823 | Wagarville |
| Highwood Post Office (historical) | Highwood Post Office (historical) | Gladwin | 699 | Wooden Shoe Village |
| Hardluck Post Office (historical) | Hardluck Post Office (historical) | Gladwin | 764 | Sterling SW |
| Wheatley Post Office (historical) | Wheatley Post Office (historical) | Gladwin | 899 | Coleman NE |
| Grout Post Office (historical) | Grout Post Office (historical) | Gladwin | 873 | Coleman NE |
| Estey Post Office (historical) | Estey Post Office (historical) | Gladwin | 705 | Estey |
| Dale Post Office (historical) | Dale Post Office (historical) | Gladwin | 689 | Edenville |
| Ridgeville Post Office (historical) | Ridgeville Post Office (historical) | Gladwin | Unknown | |
| Wearesville Post Office (historical) | Wearesville Post Office (historical) | Gladwin | Unknown | |
| Clement Post Office (historical) | Clement Post Office (historical) | Gladwin | Unknown | |
| Butman Post Office (historical) | Butman Post Office (historical) | Gladwin | 961 | Butman |
| Bomanville Post Office (historical) | Bomanville Post Office (historical) | Gladwin | 781 | Sterling SW |
| Billings Post Office (historical) | Billings Post Office (historical) | Gladwin | 705 | Hope |
| Bard Post Office (historical) | Bard Post Office (historical) | Gladwin | 771 | Coleman NE |
| Arbutus Post Office (historical) | Arbutus Post Office (historical) | Gladwin | 728 | Gladwin |
| Winterfield Post Office (historical) | Winterfield Post Office (historical) | Clare | 1076 | Temple |
| Tonkin Post Office (historical) | Tonkin Post Office (historical) | Clare | 850 | Browns Corners |
| Temple Post Office (historical) | Temple Post Office (historical) | Clare | 1053 | Temple |
| Pennock Post Office (historical) | Pennock Post Office (historical) | Clare | 1073 | Temple |
| Mosteller Post Office (historical) | Mosteller Post Office (historical) | Clare | Unknown | |
| Meredith Post Office (historical) | Meredith Post Office (historical) | Clare | 1086 | Meredith |
| Longlake Post Office (historical) | Longlake Post Office (historical) | Clare | 1142 | Harrison |
| Leota Post Office (historical) | Leota Post Office (historical) | Clare | 1076 | Moddersville |
| Hatton Post Office (historical) | Hatton Post Office (historical) | Clare | 997 | Hatton |
| Grandon Post Office (historical) | Grandon Post Office (historical) | Clare | 1073 | Temple |
| Dover Post Office (historical) | Dover Post Office (historical) | Clare | 932 | Browns Corners |
| Colonville Post Office (historical) | Colonville Post Office (historical) | Clare | 830 | Loomis |
| Clarence Post Office (historical) | Clarence Post Office (historical) | Clare | 1089 | Prestle Creek |
| Austa Post Office (historical) | Austa Post Office (historical) | Clare | 1102 | Falmouth |
| Prestel Post Office (historical) | Prestel Post Office (historical) | Clare | Unknown | |
| Summerfield Post Office (historical) | Summerfield Post Office (historical) | Clare | Unknown | |
| Upton Post Office (historical) | Upton Post Office (historical) | Clare | Unknown | |
| Wade Post Office (historical) | Wade Post Office (historical) | Clare | Unknown | |
| Mark Post Office (historical) | Mark Post Office (historical) | Clare | Unknown | |
| Cairns Post Office (historical) | Cairns Post Office (historical) | Clare | Unknown | |
| Alward Post Office (historical) | Alward Post Office (historical) | Clare | Unknown | |
| Dodge Post Office (historical) | Dodge Post Office (historical) | Clare | Unknown | |
| Harrison Post Office | Harrison Post Office | Clare | 1165 | Harrison |
| Lake George Post Office | Lake George Post Office | Clare | 1115 | Lake George |
| Lake Post Office | Lake Post Office | Clare | 1063 | Lake |
| Farwell Post Office | Farwell Post Office | Clare | 922 | Clare |
| Clare Post Office | Clare Post Office | Clare | 837 | Clare |
| Millbrook Post Office | Millbrook Post Office | Mecosta | 945 | Blanchard |
| West Millbrook Post Office (historical) | West Millbrook Post Office (historical) | Mecosta | 971 | Blanchard |
| Weaver Post Office (historical) | Weaver Post Office (historical) | Mecosta | 1040 | Hersey |
| Titus Post Office (historical) | Titus Post Office (historical) | Mecosta | 1047 | Sherman City |
| Sylvester Post Office (historical) | Sylvester Post Office (historical) | Mecosta | 981 | Altona |
| Stimson Post Office (historical) | Stimson Post Office (historical) | Mecosta | Unknown | |
| Satterlee's Mills Post Office (historical) | Satterlee's Mills Post Office (historical) | Mecosta | 928 | Altona |
| Sandy Post Office (historical) | Sandy Post Office (historical) | Mecosta | Unknown | |
| Rustford Post Office (historical) | Rustford Post Office (historical) | Mecosta | 945 | Altona |
| Rienza Post Office (historical) | Rienza Post Office (historical) | Mecosta | 938 | Sherman City |
| Pogy Post Office (historical) | Pogy Post Office (historical) | Mecosta | 1152 | Chippewa Lake North |
| Pioneer Post Office (historical) | Pioneer Post Office (historical) | Mecosta | Unknown | |
| Newton Post Office (historical) | Newton Post Office (historical) | Mecosta | Unknown | |
| Martiney Post Office (historical) | Martiney Post Office (historical) | Mecosta | Unknown | |
| Marshfield Post Office (historical) | Marshfield Post Office (historical) | Mecosta | 1086 | Big Rapids |
| Hinton Post Office (historical) | Hinton Post Office (historical) | Mecosta | Unknown | |
| Hill Post Office (historical) | Hill Post Office (historical) | Mecosta | Unknown | |
| Higbee Post Office (historical) | Higbee Post Office (historical) | Mecosta | Unknown | |
| Emerald Post Office (historical) | Emerald Post Office (historical) | Mecosta | 1211 | Merrill Lake |
| Fork Post Office (historical) | Fork Post Office (historical) | Mecosta | 965 | Sherman City |
| Grove Post Office (historical) | Grove Post Office (historical) | Mecosta | Unknown | |
| Deciple Post Office (historical) | Deciple Post Office (historical) | Mecosta | Unknown | |
| Crapo Post Office (historical) | Crapo Post Office (historical) | Mecosta | 984 | Hersey |
| Byers Post Office (historical) | Byers Post Office (historical) | Mecosta | 906 | Big Rapids |
| Borland Post Office (historical) | Borland Post Office (historical) | Mecosta | 984 | Stanwood |
| Barry Post Office (historical) | Barry Post Office (historical) | Mecosta | 1024 | Chippewa Lake South |
| Altona Post Office (historical) | Altona Post Office (historical) | Mecosta | 955 | Altona |
| Stanwood Post Office | Stanwood Post Office | Mecosta | 935 | Stanwood |
| Remus Post Office | Remus Post Office | Mecosta | 1020 | Mecosta |
| Big Rapids Post Office | Big Rapids Post Office | Mecosta | 928 | Big Rapids |
| Paris Post Office | Paris Post Office | Mecosta | 945 | Reed City South |
| Morley Post Office | Morley Post Office | Mecosta | 896 | Howard City |
| Mecosta Post Office | Mecosta Post Office | Mecosta | 978 | Mecosta |
| Rodney Post Office | Rodney Post Office | Mecosta | 1076 | Chippewa Lake South |
| Chippewa Lake Post Office | Chippewa Lake Post Office | Mecosta | 1102 | Chippewa Lake South |
| Barryton Post Office | Barryton Post Office | Mecosta | 981 | Merrill Lake |
| Silverwood Post Office | Silverwood Post Office | Lapeer | 807 | Clifford |
| Brunswick Post Office | Brunswick Post Office | Newaygo | 748 | Holton |
| Brohman Post Office | Brohman Post Office | Newaygo | 965 | Woodland Park |
| Wooster Post Office (historical) | Wooster Post Office (historical) | Newaygo | 879 | White Cloud |
| Woodville Post Office (historical) | Woodville Post Office (historical) | Newaygo | 994 | Woodville |
| Willcox Post Office (historical) | Willcox Post Office (historical) | Newaygo | 860 | Dayton Center |
| West Troy Post Office (historical) | West Troy Post Office (historical) | Newaygo | Unknown | |
| Volney Post Office (historical) | Volney Post Office (historical) | Newaygo | 879 | Walkerville East |
| Sun Post Office (historical) | Sun Post Office (historical) | Newaygo | 823 | Sand Lake SW |
| Stiles Post Office (historical) | Stiles Post Office (historical) | Newaygo | Unknown | |
| Sitka Post Office (historical) | Sitka Post Office (historical) | Newaygo | 741 | Holton |
| Shaw Post Office (historical) | Shaw Post Office (historical) | Newaygo | 846 | Walkup Lake |
| Reeman Post Office (historical) | Reeman Post Office (historical) | Newaygo | 761 | Holton |
| Ponama Post Office | Ponama Post Office | Newaygo | Unknown | |
| Plumville Post Office (historical) | Plumville Post Office (historical) | Newaygo | 827 | Sand Lake SW |
| Parks Post Office (historical) | Parks Post Office (historical) | Newaygo | Unknown | |
| Palmerville Post Office (historical) | Palmerville Post Office (historical) | Newaygo | Unknown | |
| Mitchell's Prairie Post Office (historical) | Mitchell's Prairie Post Office (historical) | Newaygo | Unknown | |
| Mineral Spring Post Office (historical) | Mineral Spring Post Office (historical) | Newaygo | Unknown | |
| McLeans Post Office (historical) | McLeans Post Office (historical) | Newaygo | 715 | Bridgeton |
| Lilley Post Office (historical) | Lilley Post Office (historical) | Newaygo | 863 | Marlborough |
| Lake Post Office (historical) | Lake Post Office (historical) | Newaygo | 791 | Grant |
| Keno Post Office (historical) | Keno Post Office (historical) | Newaygo | 1066 | Woodville |
| Jewell Post Office (historical) | Jewell Post Office (historical) | Newaygo | 843 | Marlborough |
| Lumberton Post Office (historical) | Lumberton Post Office (historical) | Newaygo | 1099 | Woodville |
| Hungerford Post Office (historical) | Hungerford Post Office (historical) | Newaygo | 1093 | Woodville NE |
| Huber Post Office (historical) | Huber Post Office (historical) | Newaygo | 860 | Dayton Center |
| Holmdale Post Office (historical) | Holmdale Post Office (historical) | Newaygo | 1027 | Big Prairie |
| Hawkins Post Office (historical) | Hawkins Post Office (historical) | Newaygo | 1129 | Reed City South |
| Grove Post Office (historical) | Grove Post Office (historical) | Newaygo | 991 | Sand Lake |
| McLane Post Office (historical) | McLane Post Office (historical) | Newaygo | Unknown | |
| Kirk Post Office (historical) | Kirk Post Office (historical) | Newaygo | Unknown | |
| Jericho Post Office (historical) | Jericho Post Office (historical) | Newaygo | Unknown | |
| Jenson Post Office (historical) | Jenson Post Office (historical) | Newaygo | Unknown | |
| Goodwell Post Office (historical) | Goodwell Post Office (historical) | Newaygo | Unknown | |
| Fields Post Office (historical) | Fields Post Office (historical) | Newaygo | 928 | Big Prairie |
| Dickinson Post Office (historical) | Dickinson Post Office (historical) | Newaygo | 764 | Bridgeton |
| Denver Post Office (historical) | Denver Post Office (historical) | Newaygo | 764 | Dayton Center |
| Croton Post Office (historical) | Croton Post Office (historical) | Newaygo | 738 | Croton |
| Home Post Office (historical) | Home Post Office (historical) | Newaygo | 1017 | Woodville |
| Cook's Station Post Office (historical) | Cook's Station Post Office (historical) | Newaygo | 1017 | Whipple Lake |
| Cole Creek Post Office (historical) | Cole Creek Post Office (historical) | Newaygo | Unknown | |
| Brookside Post Office (historical) | Brookside Post Office (historical) | Newaygo | 751 | Fremont |
| Brooks Post Office (historical) | Brooks Post Office (historical) | Newaygo | 817 | Grant |
| Bridgeton Post Office (historical) | Bridgeton Post Office (historical) | Newaygo | 640 | Bridgeton |
| Bishop Post Office (historical) | Bishop Post Office (historical) | Newaygo | 758 | Fremont |
| Big Prairie Post Office (historical) | Big Prairie Post Office (historical) | Newaygo | 942 | Big Prairie |
| Beaver Post Office (historical) | Beaver Post Office (historical) | Newaygo | 896 | Walkerville East |
| Brookings Post Office (historical) | Brookings Post Office (historical) | Newaygo | Unknown | |
| Breckenridge Post Office (historical) | Breckenridge Post Office (historical) | Newaygo | Unknown | |
| Barton Post Office (historical) | Barton Post Office (historical) | Newaygo | Unknown | |
| Ashland Post Office (historical) | Ashland Post Office (historical) | Newaygo | 817 | Grant |
| Alleyton Post Office (historical) | Alleyton Post Office (historical) | Newaygo | 830 | White Cloud |
| Alderson Post Office (historical) | Alderson Post Office (historical) | Newaygo | 846 | Marlborough |
| Aetna Post Office (historical) | Aetna Post Office (historical) | Newaygo | 827 | Dayton Center |
| White Cloud Post Office | White Cloud Post Office | Newaygo | 873 | White Cloud |
| Newaygo Post Office | Newaygo Post Office | Newaygo | 689 | Newaygo |
| Grant Post Office | Grant Post Office | Newaygo | 837 | Grant |
| Fremont Post Office | Fremont Post Office | Newaygo | 804 | Fremont |
| Bitely Post Office | Bitely Post Office | Newaygo | 863 | Woodland Park |
| Wise Post Office (historical) | Wise Post Office (historical) | Isabella | 751 | Leaton |
| Whiteville Post Office (historical) | Whiteville Post Office (historical) | Isabella | 801 | Rosebush |
| Van Decar Post Office (historical) | Van Decar Post Office (historical) | Isabella | 869 | Weidman |
| Summerton Post Office (historical) | Summerton Post Office (historical) | Isabella | 768 | Alma North |
| Strickland Post Office (historical) | Strickland Post Office (historical) | Isabella | 863 | Riverdale |
| Sherman City Post Office (historical) | Sherman City Post Office (historical) | Isabella | 958 | Sherman City |
| Wiota Post Office (historical) | Wiota Post Office (historical) | Isabella | Unknown | |
| Russell Post Office (historical) | Russell Post Office (historical) | Isabella | 827 | Clare |
| Rowland Post Office (historical) | Rowland Post Office (historical) | Isabella | 909 | Winn |
| Remick Post Office (historical) | Remick Post Office (historical) | Isabella | Unknown | |
| Nero Post Office (historical) | Nero Post Office (historical) | Isabella | Unknown | |
| Loomis Post Office (historical) | Loomis Post Office (historical) | Isabella | 810 | Loomis |
| Leaton Post Office (historical) | Leaton Post Office (historical) | Isabella | 741 | Leaton |
| Jerseyville Post Office (historical) | Jerseyville Post Office (historical) | Isabella | 810 | Riverdale |
| Isabella Centre Post Office (historical) | Isabella Centre Post Office (historical) | Isabella | 758 | Leaton |
| Longwood Post Office (historical) | Longwood Post Office (historical) | Isabella | 745 | Rosebush |
| Herrick Post Office (historical) | Herrick Post Office (historical) | Isabella | 807 | Loomis |
| Gilmore Post Office (historical) | Gilmore Post Office (historical) | Isabella | 938 | Weidman |
| Gough Post Office (historical) | Gough Post Office (historical) | Isabella | Unknown | |
| Floyd Post Office (historical) | Floyd Post Office (historical) | Isabella | Unknown | |
| Ellaville Post Office (historical) | Ellaville Post Office (historical) | Isabella | Unknown | |
| Delwin Post Office (historical) | Delwin Post Office (historical) | Isabella | 732 | Leaton |
| Coe Post Office (historical) | Coe Post Office (historical) | Isabella | 758 | Alma North |
| Caldwell Post Office (historical) | Caldwell Post Office (historical) | Isabella | 902 | Weidman |
| Cahoon Post Office (historical) | Cahoon Post Office (historical) | Isabella | 784 | Alma North |
| Drew Post Office (historical) | Drew Post Office (historical) | Isabella | 922 | Sherman City |
| Horr Post Office (historical) | Horr Post Office (historical) | Isabella | 919 | Sherman City |
| Bundy Post Office (historical) | Bundy Post Office (historical) | Isabella | 915 | Sherman City |
| Broomfield Post Office (historical) | Broomfield Post Office (historical) | Isabella | 902 | Sherman City |
| Bristol Post Office (historical) | Bristol Post Office (historical) | Isabella | Unknown | |
| Brinton Post Office (historical) | Brinton Post Office (historical) | Isabella | 1043 | Lake |
| Alembic Post Office (historical) | Alembic Post Office (historical) | Isabella | 741 | Shepherd |
| Mount Pleasant Post Office | Mount Pleasant Post Office | Isabella | 761 | Mount Pleasant |
| Beal City Post Office (historical) | Beal City Post Office (historical) | Isabella | 863 | Weidman |
| Winn Post Office | Winn Post Office | Isabella | 863 | Winn |
| Weidman Post Office | Weidman Post Office | Isabella | 892 | Weidman |
| Shepherd Post Office | Shepherd Post Office | Isabella | 774 | Shepherd |
| Crawford Post Office (historical) | Crawford Post Office (historical) | Isabella | 830 | Mount Pleasant |
| Coomer Post Office (historical) | Coomer Post Office (historical) | Isabella | 883 | Winn |
| Boyden Post Office (historical) | Boyden Post Office (historical) | Isabella | 902 | Winn |
| Rosebush Post Office | Rosebush Post Office | Isabella | 781 | Rosebush |
| Blanchard Post Office | Blanchard Post Office | Isabella | 971 | Blanchard |
| Midland Post Office | Midland Post Office | Midland | 623 | Midland South |
| Wright's Bridge Post Office (historical) | Wright's Bridge Post Office (historical) | Midland | 653 | Edenville |
| Smiths Crossing Post Office (historical) | Smiths Crossing Post Office (historical) | Midland | 620 | Midland South |
| Stearns Post Office (historical) | Stearns Post Office (historical) | Midland | Unknown | |
| Sly Post Office (historical) | Sly Post Office (historical) | Midland | Unknown | |
| Saint Elmo Post Office (historical) | Saint Elmo Post Office (historical) | Midland | 659 | Floyd |
| Redstone Post Office (historical) | Redstone Post Office (historical) | Midland | 692 | Breckenridge |
| Posyville Post Office (historical) | Posyville Post Office (historical) | Midland | 640 | Midland South |
| Porter Post Office (historical) | Porter Post Office (historical) | Midland | 676 | Floyd |
| Pleasant Valley Post Office (historical) | Pleasant Valley Post Office (historical) | Midland | 699 | Pleasant Valley |
| Pine Road Post Office (historical) | Pine Road Post Office (historical) | Midland | Unknown | |
| Pansy Post Office (historical) | Pansy Post Office (historical) | Midland | Unknown | |
| Olson Post Office (historical) | Olson Post Office (historical) | Midland | 650 | Sanford |
| North Bradley Post Office (historical) | North Bradley Post Office (historical) | Midland | 669 | Sanford |
| Mount Haley Post Office (historical) | Mount Haley Post Office (historical) | Midland | Unknown | |
| Larkin Post Office (historical) | Larkin Post Office (historical) | Midland | 669 | Midland North |
| Laporte Post Office (historical) | Laporte Post Office (historical) | Midland | 620 | Hemlock |
| Matlock Post Office (historical) | Matlock Post Office (historical) | Midland | Unknown | |
| Luman Post Office (historical) | Luman Post Office (historical) | Midland | Unknown | |
| Ketcham Post Office (historical) | Ketcham Post Office (historical) | Midland | Unknown | |
| Joliet Post Office (historical) | Joliet Post Office (historical) | Midland | Unknown | |
| Jam Post Office (historical) | Jam Post Office (historical) | Midland | 666 | Merrill |
| Hubbard Post Office (historical) | Hubbard Post Office (historical) | Midland | 663 | Midland North |
| Greendale Post Office (historical) | Greendale Post Office (historical) | Midland | Unknown | |
| Gray Post Office (historical) | Gray Post Office (historical) | Midland | 653 | Averill |
| Gordonville Post Office (historical) | Gordonville Post Office (historical) | Midland | 643 | Gordonville |
| Floyd Post Office (historical) | Floyd Post Office (historical) | Midland | 643 | Floyd |
| Curtice Post Office (historical) | Curtice Post Office (historical) | Midland | 709 | Edenville |
| Crane Post Office (historical) | Crane Post Office (historical) | Midland | 627 | Gordonville |
| Bush Post Office (historical) | Bush Post Office (historical) | Midland | 702 | Saint Louis |
| Brier Post Office (historical) | Brier Post Office (historical) | Midland | 682 | Estey |
| Egbert Post Office (historical) | Egbert Post Office (historical) | Midland | Unknown | |
| Bently Corners Post Office (historical) | Bently Corners Post Office (historical) | Midland | Unknown | |
| Barnes Post Office (historical) | Barnes Post Office (historical) | Midland | 630 | Gordonville |
| Averill Post Office (historical) | Averill Post Office (historical) | Midland | 636 | Averill |
| Alamando Post Office (historical) | Alamando Post Office (historical) | Midland | 699 | Alamando |
| Sanford Post Office | Sanford Post Office | Midland | 623 | Sanford |
| Hope Post Office | Hope Post Office | Midland | 679 | Hope |
| Edenville Post Office | Edenville Post Office | Midland | 656 | Edenville |
| Coleman Post Office | Coleman Post Office | Midland | 761 | Coleman |
| Bay City Post Office | Bay City Post Office | Bay | 591 | Bay City |
| Essexville Post Office | Essexville Post Office | Bay | 587 | Essexville |
| Pinconning Post Office | Pinconning Post Office | Bay | 597 | Pinconning |
| Munger Post Office | Munger Post Office | Bay | 591 | Essexville |
| Linwood Post Office | Linwood Post Office | Bay | 587 | Kawkawlin |
| Kawkawlin Post Office | Kawkawlin Post Office | Bay | 597 | Kawkawlin |
| Bentley Post Office | Bentley Post Office | Bay | 738 | Bentley |
| Auburn Post Office | Auburn Post Office | Bay | 627 | Auburn |
| White Feather Post Office (historical) | White Feather Post Office (historical) | Bay | 607 | Standish |
| Willams Post Office (historical) | Willams Post Office (historical) | Bay | 620 | Willard |
| Willard Post Office (historical) | Willard Post Office (historical) | Bay | 617 | Willard |
| Upsla Post Office (historical) | Upsla Post Office (historical) | Bay | Unknown | |
| Tebo Post Office (historical) | Tebo Post Office (historical) | Bay | 604 | Pinconning |
| Stewart Post Office (historical) | Stewart Post Office (historical) | Bay | Unknown | |
| North Williams Post Office (historical) | North Williams Post Office (historical) | Bay | 610 | Willard |
| Revere Post Office (historical) | Revere Post Office (historical) | Bay | Unknown | |
| Mountforest Post Office (historical) | Mountforest Post Office (historical) | Bay | 692 | Mount Forest |
| Michie Post Office (historical) | Michie Post Office (historical) | Bay | 594 | Pinconning |
| Loehne Post Office (historical) | Loehne Post Office (historical) | Bay | 614 | Willard |
| Monitor Post Office (historical) | Monitor Post Office (historical) | Bay | Unknown | |
| McCaskill Post Office (historical) | McCaskill Post Office (historical) | Bay | Unknown | |
| Lengsville Post Office (historical) | Lengsville Post Office (historical) | Bay | 584 | Pinconning |
| Laredo Post Office (historical) | Laredo Post Office (historical) | Bay | 640 | Auburn |
| Harman Post Office (historical) | Harman Post Office (historical) | Bay | Unknown | |
| Hamblen Post Office (historical) | Hamblen Post Office (historical) | Bay | Unknown | |
| Glover Post Office (historical) | Glover Post Office (historical) | Bay | 764 | Bentley |
| Glencoe Post Office (historical) | Glencoe Post Office (historical) | Bay | 673 | Estey |
| Garfield Post Office (historical) | Garfield Post Office (historical) | Bay | 627 | Crump |
| Frankenlust Post Office (historical) | Frankenlust Post Office (historical) | Bay | 584 | Bay City |
| Duel Post Office (historical) | Duel Post Office (historical) | Bay | 640 | Midland North |
| Crump Post Office (historical) | Crump Post Office (historical) | Bay | 636 | Crump |
| Cummings Post Office (historical) | Cummings Post Office (historical) | Bay | Unknown | |
| Colfax Post Office (historical) | Colfax Post Office (historical) | Bay | 604 | Bay City |
| Colden Post Office (historical) | Colden Post Office (historical) | Bay | 679 | Midland South |
| Bertie Post Office (historical) | Bertie Post Office (historical) | Bay | Unknown | |
| Bedell Post Office (historical) | Bedell Post Office (historical) | Bay | Unknown | |
| Bayside Post Office (historical) | Bayside Post Office (historical) | Bay | 584 | Bay City NE |
| Salzburg Post Office (historical) | Salzburg Post Office (historical) | Bay | 597 | Bay City |
| Banks Post Office (historical) | Banks Post Office (historical) | Bay | 584 | Essexville |
| Arn Post Office (historical) | Arn Post Office (historical) | Bay | 594 | Reese |
| Amelith Post Office (historical) | Amelith Post Office (historical) | Bay | 604 | Bay City |
| Ubly Post Office | Ubly Post Office | Huron | 787 | Ubly |
| Sebewaing Post Office | Sebewaing Post Office | Huron | 591 | Sebewaing |
| Ruth Post Office | Ruth Post Office | Huron | 755 | Ruth |
| Port Hope Post Office | Port Hope Post Office | Huron | 610 | Port Hope |
| Port Austin Post Office | Port Austin Post Office | Huron | 594 | Port Austin East |
| Owendale Post Office | Owendale Post Office | Huron | 643 | Owendale |
| Kinde Post Office | Kinde Post Office | Huron | 699 | Kinde West |
| Harbor Beach Post Office | Harbor Beach Post Office | Huron | 610 | Harbor Beach |
| Filion Post Office | Filion Post Office | Huron | 715 | Kinde West |
| Elkton Post Office | Elkton Post Office | Huron | 640 | Elkton |
| Caseville Post Office | Caseville Post Office | Huron | 600 | Caseville |
| Bay Port Post Office | Bay Port Post Office | Huron | 597 | Bay Port East |
| Wolfton Post Office (historical) | Wolfton Post Office (historical) | Huron | 650 | Elkton |
| Whiterock Post Office (historical) | Whiterock Post Office (historical) | Huron | 620 | Forestville |
| Wadsworth Post Office (historical) | Wadsworth Post Office (historical) | Huron | 771 | Bad Axe East |
| Verona Mills Post Office (historical) | Verona Mills Post Office (historical) | Huron | 807 | Bad Axe East |
| Varney Post Office (historical) | Varney Post Office (historical) | Huron | 643 | Kinde East |
| Tarry Post Office (historical) | Tarry Post Office (historical) | Huron | 584 | Bay Port West |
| Bad Axe Post Office | Bad Axe Post Office | Huron | 764 | Bad Axe East |
| Sigel Post Office (historical) | Sigel Post Office (historical) | Huron | 728 | Harbor Beach |
| Rock Falls Post Office (historical) | Rock Falls Post Office (historical) | Huron | 594 | Harbor Beach |
| Ribble Post Office (historical) | Ribble Post Office (historical) | Huron | 617 | Bay Port East |
| Rescue Post Office (historical) | Rescue Post Office (historical) | Huron | 712 | Gagetown |
| Redman Post Office (historical) | Redman Post Office (historical) | Huron | 712 | Redman |
| Rapson Post Office (historical) | Rapson Post Office (historical) | Huron | 728 | Bad Axe East |
| Port Crescent Post Office (historical) | Port Crescent Post Office (historical) | Huron | 597 | Port Austin West |
| Popple Post Office (historical) | Popple Post Office (historical) | Huron | 741 | Bad Axe West |
| Pinnebog Post Office (historical) | Pinnebog Post Office (historical) | Huron | 614 | Kinde West |
| Poplar Grove Post Office (historical) | Poplar Grove Post Office (historical) | Huron | Unknown | |
| Pawlowski Post Office (historical) | Pawlowski Post Office (historical) | Huron | 791 | Minden City |
| Parisville Post Office (historical) | Parisville Post Office (historical) | Huron | 794 | Minden City |
| Northburns Post Office (historical) | Northburns Post Office (historical) | Huron | 745 | New Greenleaf |
| Linkville Post Office (historical) | Linkville Post Office (historical) | Huron | 640 | Bay Port East |
| Ivanhoe Post Office (historical) | Ivanhoe Post Office (historical) | Huron | 755 | New Greenleaf |
| Kilmanagh Post Office (historical) | Kilmanagh Post Office (historical) | Huron | 623 | Bay Port East |
| Huron Post Office (historical) | Huron Post Office (historical) | Huron | 610 | Huron City |
| Hellems Post Office (historical) | Hellems Post Office (historical) | Huron | 633 | Port Austin East |
| Helena Post Office (historical) | Helena Post Office (historical) | Huron | 712 | Harbor Beach |
| Hayes Post Office (historical) | Hayes Post Office (historical) | Huron | 604 | Caseville |
| Grind Stone City Post Office | Grind Stone City Post Office | Huron | 597 | Port Austin East |
| Grassmere Post Office (historical) | Grassmere Post Office (historical) | Huron | 686 | Bad Axe West |
| Gotts Post Office (historical) | Gotts Post Office (historical) | Huron | 614 | Rush Lake |
| Glencoe Post Office (historical) | Glencoe Post Office (historical) | Huron | 702 | Kinde East |
| Berne Post Office (historical) | Berne Post Office (historical) | Huron | 620 | Bay Port East |
| Forest Bay Post Office (historical) | Forest Bay Post Office (historical) | Huron | Unknown | |
| Engle Post Office (historical) | Engle Post Office (historical) | Huron | Unknown | |
| Bach Post Office (historical) | Bach Post Office (historical) | Huron | 633 | Owendale |
| Crown Post Office (historical) | Crown Post Office (historical) | Huron | 702 | Kinde West |
| Crew Post Office (historical) | Crew Post Office (historical) | Huron | Unknown | |
| Appin Post Office (historical) | Appin Post Office (historical) | Huron | 758 | New Greenleaf |
| Cooley Post Office (historical) | Cooley Post Office (historical) | Huron | Unknown | |
| Canboro Post Office (historical) | Canboro Post Office (historical) | Huron | 669 | Gagetown |
| Bloomington Post Office (historical) | Bloomington Post Office (historical) | Huron | 846 | Ubly |
| Bingham Post Office (historical) | Bingham Post Office (historical) | Huron | Unknown | |
| Casnovia Post Office | Casnovia Post Office | Muskegon | 899 | Casnovia |
| Caro Post Office | Caro Post Office | Tuscola | 725 | Caro |
| Cass City Post Office | Cass City Post Office | Tuscola | 741 | Cass City |
| Vassar Post Office | Vassar Post Office | Tuscola | 640 | Vassar |
| Wisner Post Office (historical) | Wisner Post Office (historical) | Tuscola | 597 | Fairgrove |
| Wilmont Post Office (historical) | Wilmont Post Office (historical) | Tuscola | 764 | Kingston |
| Watrousville Post Office (historical) | Watrousville Post Office (historical) | Tuscola | 758 | Gilford |
| Wahjamega Post Office (historical) | Wahjamega Post Office (historical) | Tuscola | 679 | Caro |
| Spinner Post Office (historical) | Spinner Post Office (historical) | Tuscola | Unknown | |
| Quanicassee City Post Office (historical) | Quanicassee City Post Office (historical) | Tuscola | 584 | Quanicassee |
| Novesta Post Office (historical) | Novesta Post Office (historical) | Tuscola | 761 | Cass City |
| Northgrove Post Office (historical) | Northgrove Post Office (historical) | Tuscola | 768 | Caro |
| Markell Post Office (historical) | Markell Post Office (historical) | Tuscola | 778 | Juniata |
| Juniata Post Office (historical) | Juniata Post Office (historical) | Tuscola | 748 | Juniata |
| Jenney Post Office (historical) | Jenney Post Office (historical) | Tuscola | 640 | Reese |
| Gunnell Post Office (historical) | Gunnell Post Office (historical) | Tuscola | Unknown | |
| Elmwood Post Office (historical) | Elmwood Post Office (historical) | Tuscola | 771 | Ellington |
| Ellington Post Office (historical) | Ellington Post Office (historical) | Tuscola | 787 | Ellington |
| Elkland Post Office (historical) | Elkland Post Office (historical) | Tuscola | 741 | Gagetown |
| East Dayton Post Office (historical) | East Dayton Post Office (historical) | Tuscola | 814 | East Dayton |
| Denmark Post Office (historical) | Denmark Post Office (historical) | Tuscola | 666 | Gilford |
| Crossman Post Office (historical) | Crossman Post Office (historical) | Tuscola | 689 | Gilford |
| Colwood Post Office (historical) | Colwood Post Office (historical) | Tuscola | 666 | Ellington |
| Columbia Post Office (historical) | Columbia Post Office (historical) | Tuscola | 653 | Colling |
| Colling Post Office (historical) | Colling Post Office (historical) | Tuscola | 656 | Colling |
| Ashmore Post Office (historical) | Ashmore Post Office (historical) | Tuscola | Unknown | |
| Arbela Post Office (historical) | Arbela Post Office (historical) | Tuscola | 709 | Clio |
| Elva Post Office (historical) | Elva Post Office (historical) | Tuscola | 659 | Frankenmuth |
| Kinter Post Office (historical) | Kinter Post Office (historical) | Tuscola | 630 | Fairgrove |
| Peck Post Office | Peck Post Office | Sanilac | 784 | Peck |
| Sandusky Post Office | Sandusky Post Office | Sanilac | 771 | Sandusky |
| Melvin Post Office | Melvin Post Office | Sanilac | 820 | Yale |
| Minden City Post Office | Minden City Post Office | Sanilac | 830 | Minden City |
| Marlette Post Office | Marlette Post Office | Sanilac | 837 | Marlette |
| Lexington Post Office | Lexington Post Office | Sanilac | 614 | Croswell |
| Forestville Post Office | Forestville Post Office | Sanilac | 633 | Forestville |
| Deckerville Post Office | Deckerville Post Office | Sanilac | 830 | Deckerville |
| Croswell Post Office | Croswell Post Office | Sanilac | 732 | Croswell |
| Wickware Post Office (historical) | Wickware Post Office (historical) | Sanilac | 774 | Shabbona |
| Watertown Post Office (historical) | Watertown Post Office (historical) | Sanilac | 764 | Peck |
| Wanicott Post Office (historical) | Wanicott Post Office (historical) | Sanilac | Unknown | |
| Valley Center Post Office (historical) | Valley Center Post Office (historical) | Sanilac | 801 | Brown City |
| Urban Post Office (historical) | Urban Post Office (historical) | Sanilac | 787 | Snover |
| Tyre Post Office (historical) | Tyre Post Office (historical) | Sanilac | 781 | Ubly |
| Speaker Post Office (historical) | Speaker Post Office (historical) | Sanilac | 801 | Yale |
| Snay Post Office (historical) | Snay Post Office (historical) | Sanilac | 738 | Deckerville |
| Shabonna Post Office (historical) | Shabonna Post Office (historical) | Sanilac | 771 | Shabbona |
| Richmondville Post Office (historical) | Richmondville Post Office (historical) | Sanilac | 610 | Richmondville |
| Redstar Post Office (historical) | Redstar Post Office (historical) | Sanilac | Unknown | |
| Pingree Post Office (historical) | Pingree Post Office (historical) | Sanilac | Unknown | |
| Pine Hill Post Office (historical) | Pine Hill Post Office (historical) | Sanilac | 636 | Croswell |
| Palms Post Office | Palms Post Office | Sanilac | 820 | Palms |
| Pack's Mills Post Office (historical) | Pack's Mills Post Office (historical) | Sanilac | 771 | Carsonville |
| Omard Post Office (historical) | Omard Post Office (historical) | Sanilac | 801 | Juhl |
| Otto Post Office (historical) | Otto Post Office (historical) | Sanilac | Unknown | |
| Oray Post Office (historical) | Oray Post Office (historical) | Sanilac | Unknown | |
| Noko Post Office (historical) | Noko Post Office (historical) | Sanilac | Unknown | |
| Murray Post Office (historical) | Murray Post Office (historical) | Sanilac | 679 | Richmondville |
| Mills Post Office (historical) | Mills Post Office (historical) | Sanilac | 771 | Deckerville |
| Leitch Post Office (historical) | Leitch Post Office (historical) | Sanilac | 748 | Deckerville |
| Laurel Post Office (historical) | Laurel Post Office (historical) | Sanilac | 784 | Peck |
| Juhl Post Office (historical) | Juhl Post Office (historical) | Sanilac | 784 | Juhl |
| Holbrook Post Office (historical) | Holbrook Post Office (historical) | Sanilac | 748 | New Greenleaf |
| Hemans Post Office (historical) | Hemans Post Office (historical) | Sanilac | 778 | Decker |
| Greenleaf Post Office (historical) | Greenleaf Post Office (historical) | Sanilac | 751 | New Greenleaf |
| Grange Post Office (historical) | Grange Post Office (historical) | Sanilac | Unknown | |
| Lamotte Post Office (historical) | Lamotte Post Office (historical) | Sanilac | 771 | Decker |
| Germania Post Office (historical) | Germania Post Office (historical) | Sanilac | 781 | Decker |
| Forester Post Office (historical) | Forester Post Office (historical) | Sanilac | 610 | Port Sanilac |
| Falcon Post Office (historical) | Falcon Post Office (historical) | Sanilac | 738 | Croswell |
| Flynn Post Office (historical) | Flynn Post Office (historical) | Sanilac | Unknown | |
| Dowington Post Office (historical) | Dowington Post Office (historical) | Sanilac | 814 | Deckerville |
| Roseburg Post Office (historical) | Roseburg Post Office (historical) | Sanilac | 764 | Roseburg |
| East Fremont Post Office (historical) | East Fremont Post Office (historical) | Sanilac | 748 | Roseburg |
| Elmer Post Office (historical) | Elmer Post Office (historical) | Sanilac | 801 | Snover |
| Laing Post Office (historical) | Laing Post Office (historical) | Sanilac | 768 | Argyle |
| Freiburgers Post Office (historical) | Freiburgers Post Office (historical) | Sanilac | 787 | Argyle |
| Cumber Post Office (historical) | Cumber Post Office (historical) | Sanilac | 810 | Argyle |
| Cherry Creek Post Office (historical) | Cherry Creek Post Office (historical) | Sanilac | Unknown | |
| Charleston Post Office (historical) | Charleston Post Office (historical) | Sanilac | 748 | Ruth |
| Cedardale Post Office (historical) | Cedardale Post Office (historical) | Sanilac | 823 | Palms |
| Cash Post Office (historical) | Cash Post Office (historical) | Sanilac | 751 | Peck |
| Burden Post Office (historical) | Burden Post Office (historical) | Sanilac | 774 | Sandusky |
| Buell Post Office (historical) | Buell Post Office (historical) | Sanilac | 784 | Applegate |
| Hicks Post Office (historical) | Hicks Post Office (historical) | Sanilac | 768 | Applegate |
| McGregor Post Office (historical) | McGregor Post Office (historical) | Sanilac | 774 | Carsonville |
| Millington Post Office | Millington Post Office | Tuscola | 755 | Vassar |
| Reese Post Office | Reese Post Office | Tuscola | 633 | Reese |
| Richville Post Office | Richville Post Office | Tuscola | 640 | Reese |
| Tuscola Post Office (historical) | Tuscola Post Office (historical) | Tuscola | 633 | Frankenmuth |
| Unionville Post Office | Unionville Post Office | Tuscola | 617 | Sebewaing |
| Mayville Post Office | Mayville Post Office | Tuscola | 928 | Mayville |
| Kingston Post Office | Kingston Post Office | Tuscola | 794 | Kingston |
| Bridgehampton Post Office (historical) | Bridgehampton Post Office (historical) | Sanilac | 771 | Carsonville |
| Braidwood Post Office (historical) | Braidwood Post Office (historical) | Sanilac | Unknown | |
| Bloomington Post Office (historical) | Bloomington Post Office (historical) | Sanilac | Unknown | |
| Berkshire Post Office (historical) | Berkshire Post Office (historical) | Sanilac | Unknown | |
| Chevington Post Office (historical) | Chevington Post Office (historical) | Sanilac | 781 | Palms |
| Banner Post Office (historical) | Banner Post Office (historical) | Sanilac | 781 | Palms |
| Argyle Post Office | Argyle Post Office | Sanilac | 791 | Argyle |
| Angle Post Office (historical) | Angle Post Office (historical) | Sanilac | Unknown | |
| Amadore Post Office (historical) | Amadore Post Office (historical) | Sanilac | 728 | Jeddo |
| Aitken Post Office (historical) | Aitken Post Office (historical) | Sanilac | Unknown | |
| Snover Post Office | Snover Post Office | Sanilac | 774 | Snover |
| Port Sanilac Post Office | Port Sanilac Post Office | Sanilac | 610 | Port Sanilac |
| Brown City Post Office | Brown City Post Office | Sanilac | 797 | Brown City |
| Decker Post Office | Decker Post Office | Sanilac | 771 | Decker |
| Carsonville Post Office | Carsonville Post Office | Sanilac | 791 | Carsonville |
| Applegate Post Office | Applegate Post Office | Sanilac | 748 | Applegate |
| Gagetown Post Office | Gagetown Post Office | Tuscola | 758 | Gagetown |
| Gilford Post Office | Gilford Post Office | Tuscola | 636 | Gilford |
| Fostoria Post Office | Fostoria Post Office | Tuscola | 856 | Mayville |
| Deford Post Office | Deford Post Office | Tuscola | 738 | Cass City |
| Fairgrove Post Office | Fairgrove Post Office | Tuscola | 659 | Fairgrove |
| Akron Post Office | Akron Post Office | Tuscola | 640 | Fairgrove |
| Zilwaukee Post Office (historical) | Zilwaukee Post Office (historical) | Saginaw | 584 | Saginaw |
| West's Mill Post Office (historical) | West's Mill Post Office (historical) | Saginaw | 682 | Merrill |
| Verne Post Office (historical) | Verne Post Office (historical) | Saginaw | 607 | Bridgeport |
| Trostville Post Office (historical) | Trostville Post Office (historical) | Saginaw | 617 | Saginaw NE |
| Tittabawassee Post Office (historical) | Tittabawassee Post Office (historical) | Saginaw | 620 | Auburn |
| Taymouth Post Office (historical) | Taymouth Post Office (historical) | Saginaw | 630 | Birch Run South |
| Swan Creek Post Office (historical) | Swan Creek Post Office (historical) | Saginaw | 594 | Shields |
| South Saginaw Post Office (historical) | South Saginaw Post Office (historical) | Saginaw | 591 | Saginaw |
| Shields Post Office (historical) | Shields Post Office (historical) | Saginaw | 600 | Shields |
| Shattuckville Post Office (historical) | Shattuckville Post Office (historical) | Saginaw | 607 | Shields |
| Randall Post Office (historical) | Randall Post Office (historical) | Saginaw | 656 | Merrill |
| Racy Post Office (historical) | Racy Post Office (historical) | Saginaw | 640 | Chapin |
| Paines Post Office (historical) | Paines Post Office (historical) | Saginaw | 597 | Shields |
| Nelson Post Office (historical) | Nelson Post Office (historical) | Saginaw | 623 | Saint Charles |
| McDonough Post Office (historical) | McDonough Post Office (historical) | Saginaw | 594 | Alicia |
| Marion Springs Post Office (historical) | Marion Springs Post Office (historical) | Saginaw | 646 | Chapin |
| Luce Post Office (historical) | Luce Post Office (historical) | Saginaw | 600 | Chesaning East |
| Leutz Post Office (historical) | Leutz Post Office (historical) | Saginaw | 620 | Chesaning West |
| Layton Corners Post Office (historical) | Layton Corners Post Office (historical) | Saginaw | 666 | Montrose |
| Lawndale Post Office (historical) | Lawndale Post Office (historical) | Saginaw | 640 | Shields |
| Lakefield Post Office (historical) | Lakefield Post Office (historical) | Saginaw | 669 | Lakefield |
| Kulmbach Post Office (historical) | Kulmbach Post Office (historical) | Saginaw | 614 | Saginaw NE |
| Kochville Post Office (historical) | Kochville Post Office (historical) | Saginaw | 591 | Bay City |
| Iva Post Office (historical) | Iva Post Office (historical) | Saginaw | 646 | Merrill |
| Gera Post Office (historical) | Gera Post Office (historical) | Saginaw | 636 | Reese |
| Frost Post Office (historical) | Frost Post Office (historical) | Saginaw | 604 | Shields |
| Fosters Post Office (historical) | Fosters Post Office (historical) | Saginaw | 604 | Bridgeport |
| Fordney Post Office (historical) | Fordney Post Office (historical) | Saginaw | 643 | Lakefield |
| Fergus Post Office (historical) | Fergus Post Office (historical) | Saginaw | 600 | Saint Charles |
| Fenmore Post Office (historical) | Fenmore Post Office (historical) | Saginaw | 650 | Chapin |
| Fay Post Office (historical) | Fay Post Office (historical) | Saginaw | 630 | Montrose |
| Roosevelt Post Office (historical) | Roosevelt Post Office (historical) | Saginaw | 614 | Saint Charles |
| Eastwood Post Office (historical) | Eastwood Post Office (historical) | Saginaw | 591 | Saint Charles |
| Orr Post Office (historical) | Orr Post Office (historical) | Saginaw | 600 | Saint Charles |
| Disc Post Office (historical) | Disc Post Office (historical) | Saginaw | 614 | Shields |
| Crow Island Post Office (historical) | Crow Island Post Office (historical) | Saginaw | 584 | Saginaw |
| Countyline Post Office (historical) | Countyline Post Office (historical) | Saginaw | 666 | Birch Run South |
| Chapin Post Office (historical) | Chapin Post Office (historical) | Saginaw | 709 | Chapin |
| Cassbridge Post Office (historical) | Cassbridge Post Office (historical) | Saginaw | 614 | Birch Run North |
| Buena Vista Post Office (historical) | Buena Vista Post Office (historical) | Saginaw | 604 | Saginaw |
| Brady Post Office (historical) | Brady Post Office (historical) | Saginaw | 666 | Chesaning West |
| Blackmar Post Office (historical) | Blackmar Post Office (historical) | Saginaw | 610 | Birch Run North |
| Arthur Post Office (historical) | Arthur Post Office (historical) | Saginaw | Unknown | |
| Alicia Post Office (historical) | Alicia Post Office (historical) | Saginaw | 584 | Alicia |
| Agnew Post Office (historical) | Agnew Post Office (historical) | Saginaw | Unknown | |
| Carbon Post Office (historical) | Carbon Post Office (historical) | Saginaw | Unknown | |
| Fifield Post Office (historical) | Fifield Post Office (historical) | Saginaw | Unknown | |
| Malts Post Office (historical) | Malts Post Office (historical) | Saginaw | Unknown | |
| Miner Post Office (historical) | Miner Post Office (historical) | Saginaw | Unknown | |
| Ready Post Office (historical) | Ready Post Office (historical) | Saginaw | Unknown | |
| Ridge Road Post Office (historical) | Ridge Road Post Office (historical) | Saginaw | Unknown | |
| Ryan Post Office (historical) | Ryan Post Office (historical) | Saginaw | Unknown | |
| Tyner Post Office (historical) | Tyner Post Office (historical) | Saginaw | Unknown | |
| Ward Post Office (historical) | Ward Post Office (historical) | Saginaw | Unknown | |
| Saginaw Post Office | Saginaw Post Office | Saginaw | 597 | Saginaw |
| Saint Charles Post Office | Saint Charles Post Office | Saginaw | 597 | Saint Charles |
| Oakley Post Office | Oakley Post Office | Saginaw | 679 | Chesaning West |
| Merrill Post Office | Merrill Post Office | Saginaw | 669 | Merrill |
| Hemlock Post Office | Hemlock Post Office | Saginaw | 650 | Hemlock |
| Freeland Post Office | Freeland Post Office | Saginaw | 620 | Auburn |
| Frankenmuth Post Office | Frankenmuth Post Office | Saginaw | 643 | Frankenmuth |
| Chesaning Post Office | Chesaning Post Office | Saginaw | 620 | Chesaning East |
| Carrollton Post Office | Carrollton Post Office | Saginaw | 591 | Saginaw |
| Burt Post Office | Burt Post Office | Saginaw | 636 | Montrose |
| Bridgeport Post Office | Bridgeport Post Office | Saginaw | 597 | Bridgeport |
| Brant Post Office | Brant Post Office | Saginaw | 614 | Saint Charles |
| Birch Run Post Office | Birch Run Post Office | Saginaw | 633 | Birch Run South |
| Wyman Post Office (historical) | Wyman Post Office (historical) | Montcalm | 988 | Edmore |
| Woodlake Post Office (historical) | Woodlake Post Office (historical) | Montcalm | 896 | Coral |
| Westville Post Office (historical) | Westville Post Office (historical) | Montcalm | 951 | Stanton |
| Tamarack Post Office (historical) | Tamarack Post Office (historical) | Montcalm | 928 | Lakeview |
| Underwood Post Office (historical) | Underwood Post Office (historical) | Montcalm | Unknown | |
| Reynold Post Office (historical) | Reynold Post Office (historical) | Montcalm | 886 | Howard City |
| New Home Post Office (historical) | New Home Post Office (historical) | Montcalm | 876 | Greenville East |
| Point Richards Post Office (historical) | Point Richards Post Office (historical) | Montcalm | Unknown | |
| Miller Post Office (historical) | Miller Post Office (historical) | Montcalm | 869 | Greenville East |
| Maple Valley Post Office (historical) | Maple Valley Post Office (historical) | Montcalm | 942 | Coral |
| Maple Hill Post Office (historical) | Maple Hill Post Office (historical) | Montcalm | 899 | Coral |
| Langston Post Office (historical) | Langston Post Office (historical) | Montcalm | 879 | Langston |
| Fishville Post Office (historical) | Fishville Post Office (historical) | Montcalm | 810 | Crystal |
| Ferris Post Office (historical) | Ferris Post Office (historical) | Montcalm | Unknown | |
| Eureka Post Office (historical) | Eureka Post Office (historical) | Montcalm | Unknown | |
| Entrican Post Office (historical) | Entrican Post Office (historical) | Montcalm | 899 | Langston |
| Ensley Post Office (historical) | Ensley Post Office (historical) | Montcalm | 955 | Sand Lake |
| Dean's Mills Post Office (historical) | Dean's Mills Post Office (historical) | Montcalm | 804 | Sheridan |
| Decora Post Office (historical) | Decora Post Office (historical) | Montcalm | Unknown | |
| Conger Post Office (historical) | Conger Post Office (historical) | Montcalm | 906 | Howard City |
| Colwell Post Office (historical) | Colwell Post Office (historical) | Montcalm | Unknown | |
| Colby Post Office (historical) | Colby Post Office (historical) | Montcalm | 860 | Stanton |
| Clear Lake Post Office (historical) | Clear Lake Post Office (historical) | Montcalm | Unknown | |
| Cato Post Office (historical) | Cato Post Office (historical) | Montcalm | 981 | Lakeview |
| Vickeryville Post Office (historical) | Vickeryville Post Office (historical) | Montcalm | 823 | Butternut |
| Butternut Post Office (historical) | Butternut Post Office (historical) | Montcalm | 771 | Butternut |
| Bushnell Post Office (historical) | Bushnell Post Office (historical) | Montcalm | 833 | Sheridan |
| Bloomer Post Office (historical) | Bloomer Post Office (historical) | Montcalm | 774 | Butternut |
| Belvidere Post Office (historical) | Belvidere Post Office (historical) | Montcalm | 971 | Six Lakes |
| Bushnell Centre Post Office (historical) | Bushnell Centre Post Office (historical) | Montcalm | 820 | Sheridan |
| Amsden Post Office (historical) | Amsden Post Office (historical) | Montcalm | 840 | Sheridan |
| Amble Post Office (historical) | Amble Post Office (historical) | Montcalm | 925 | Howard City |
| Greenville Post Office | Greenville Post Office | Montcalm | 840 | Greenville West |
| Stanton Post Office | Stanton Post Office | Montcalm | 909 | Stanton |
| Vestaburg Post Office | Vestaburg Post Office | Montcalm | 915 | Vestaburg |
| Trufant Post Office | Trufant Post Office | Montcalm | 906 | Trufant |
| Sidney Post Office | Sidney Post Office | Montcalm | 896 | Greenville East |
| Six Lakes Post Office | Six Lakes Post Office | Montcalm | 925 | Six Lakes |
| Pierson Post Office | Pierson Post Office | Montcalm | 906 | Coral |
| Tamarack Post Office | Tamarack Post Office | Montcalm | 955 | Lakeview |
| McBrides Post Office | McBrides Post Office | Montcalm | 961 | Stanton |
| Howard City Post Office | Howard City Post Office | Montcalm | 879 | Howard City |
| Gowen Post Office | Gowen Post Office | Montcalm | 850 | Trufant |
| Fenwick Post Office | Fenwick Post Office | Montcalm | 840 | Sheridan |
| Edmore Post Office | Edmore Post Office | Montcalm | 958 | Edmore |
| Crystal Post Office | Crystal Post Office | Montcalm | 814 | Crystal |
| Coral Post Office | Coral Post Office | Montcalm | 922 | Coral |
| Cedar Lake Post Office | Cedar Lake Post Office | Montcalm | 922 | Vestaburg |
| Carson City Post Office | Carson City Post Office | Montcalm | 761 | Carson City |
| Alma Post Office | Alma Post Office | Gratiot | 735 | Alma North |
| Saint Louis Post Office | Saint Louis Post Office | Gratiot | 725 | Saint Louis |
| Ithaca Post Office | Ithaca Post Office | Gratiot | 787 | Ithaca |
| Breckenridge Post Office | Breckenridge Post Office | Gratiot | 735 | Breckenridge |
| Wheeler Post Office | Wheeler Post Office | Gratiot | 725 | Breckenridge |
| Sumner Post Office | Sumner Post Office | Gratiot | 764 | Sumner |
| Elwell Post Office | Elwell Post Office | Gratiot | 771 | Alma North |
| Elm Hall Post Office | Elm Hall Post Office | Gratiot | 801 | Sumner |
| North Star Post Office | North Star Post Office | Gratiot | 718 | Pompeii |
| Riverdale Post Office | Riverdale Post Office | Gratiot | 791 | Riverdale |
| Pompeii Post Office | Pompeii Post Office | Gratiot | 715 | Pompeii |
| Perrinton Post Office | Perrinton Post Office | Gratiot | 735 | Perrinton |
| Middleton Post Office | Middleton Post Office | Gratiot | 741 | Perrinton |
| Ashley Post Office | Ashley Post Office | Gratiot | 669 | Ashley |
| Bannister Post Office | Bannister Post Office | Gratiot | 673 | Ashley |
| Stella Post Office (historical) | Stella Post Office (historical) | Gratiot | 679 | Ashley |
| Spring Brook Post Office (historical) | Spring Brook Post Office (historical) | Gratiot | 755 | Perrinton |
| Seville Post Office (historical) | Seville Post Office (historical) | Gratiot | Unknown | |
| Sethton Post Office (historical) | Sethton Post Office (historical) | Gratiot | 755 | Carson City |
| Ring Post Office (historical) | Ring Post Office (historical) | Gratiot | Unknown | |
| Parkinson Post Office (historical) | Parkinson Post Office (historical) | Gratiot | 784 | Alma North |
| Ola Post Office (historical) | Ola Post Office (historical) | Gratiot | 699 | Pompeii |
| North Wheeler Post Office (historical) | North Wheeler Post Office (historical) | Gratiot | 699 | Breckenridge |
| New Haven Center Post Office (historical) | New Haven Center Post Office (historical) | Gratiot | 774 | Carson City |
| Newark Post Office (historical) | Newark Post Office (historical) | Gratiot | 751 | Perrinton |
| Ocina Post Office (historical) | Ocina Post Office (historical) | Gratiot | Unknown | |
| Monticelle Post Office (historical) | Monticelle Post Office (historical) | Gratiot | Unknown | |
| Luna Post Office (historical) | Luna Post Office (historical) | Gratiot | Unknown | |
| Leon Post Office (historical) | Leon Post Office (historical) | Gratiot | Unknown | |
| Sickels Post Office (historical) | Sickels Post Office (historical) | Gratiot | 692 | Rathbone |
| Rathbone Post Office (historical) | Rathbone Post Office (historical) | Gratiot | 705 | Rathbone |
| Langport Post Office (historical) | Langport Post Office (historical) | Gratiot | 696 | Rathbone |
| Lafeyette Post Office (historical) | Lafeyette Post Office (historical) | Gratiot | 699 | Rathbone |
| Hasty Post Office (historical) | Hasty Post Office (historical) | Gratiot | Unknown | |
| Gardenville Post Office (historical) | Gardenville Post Office (historical) | Gratiot | Unknown | |
| Galloway Post Office (historical) | Galloway Post Office (historical) | Gratiot | 679 | Lakefield |
| Forest Hill Post Office (historical) | Forest Hill Post Office (historical) | Gratiot | 784 | Alma North |
| Eugene Post Office (historical) | Eugene Post Office (historical) | Gratiot | 764 | Alma South |
| Edgewood Post Office (historical) | Edgewood Post Office (historical) | Gratiot | 686 | Rathbone |
| Bridgeville Post Office (historical) | Bridgeville Post Office (historical) | Gratiot | 659 | Pompeii |
| Brice Post Office (historical) | Brice Post Office (historical) | Gratiot | 751 | Carson City |
| Beebe Post Office (historical) | Beebe Post Office (historical) | Gratiot | 741 | Ithaca |
| Beaver Creek Post Office (historical) | Beaver Creek Post Office (historical) | Gratiot | 810 | Riverdale |
| Aldrich Post Office (historical) | Aldrich Post Office (historical) | Gratiot | Unknown | |
| Sparta Post Office | Sparta Post Office | Kent | 755 | Sparta |
| Sand Lake Post Office | Sand Lake Post Office | Kent | 915 | Sand Lake |
| Rockford Post Office | Rockford Post Office | Kent | 702 | Rockford |
| Lowell Post Office | Lowell Post Office | Kent | 630 | Lowell |
| Kent City Post Office | Kent City Post Office | Kent | 804 | Marne |
| Grandville Post Office | Grandville Post Office | Kent | 604 | Grandville |
| Dutton Post Office (historical) | Dutton Post Office (historical) | Kent | 761 | Caledonia |
| Comstock Park Post Office | Comstock Park Post Office | Kent | 633 | Cedar Springs SW |
| Cedar Springs Post Office | Cedar Springs Post Office | Kent | 856 | Cedar Springs |
| Cannonsburg Post Office | Cannonsburg Post Office | Kent | 787 | Cannonsburg |
| Caledonia Post Office | Caledonia Post Office | Kent | 771 | Caledonia |
| Byron Center Post Office | Byron Center Post Office | Kent | 738 | Cutlerville |
| Belmont Post Office | Belmont Post Office | Kent | 663 | Rockford |
| Alto Post Office | Alto Post Office | Kent | 820 | Alto |
| Ada Post Office | Ada Post Office | Kent | 633 | Cascade |
| Grand Rapids Post Office | Grand Rapids Post Office | Kent | 614 | Grand Rapids West |
| Whitneyville Post Office (historical) | Whitneyville Post Office (historical) | Kent | 741 | Alto |
| White Swan Post Office (historical) | White Swan Post Office (historical) | Kent | 879 | Evans |
| West Carlisle Post Office (historical) | West Carlisle Post Office (historical) | Kent | 679 | Cutlerville |
| Vergennes Post Office (historical) | Vergennes Post Office (historical) | Kent | 807 | Smyrna |
| Velzy Post Office (historical) | Velzy Post Office (historical) | Kent | 860 | Cedar Springs |
| Ula Post Office (historical) | Ula Post Office (historical) | Kent | Unknown | |
| Spencers Mill Post Office (historical) | Spencers Mill Post Office (historical) | Kent | 846 | Greenville West |
| Soldiers Home Post Office (historical) | Soldiers Home Post Office (historical) | Kent | 627 | Cedar Springs SW |
| Slayton Post Office (historical) | Slayton Post Office (historical) | Kent | 896 | Leonidas |
| Sheffield Post Office (historical) | Sheffield Post Office (historical) | Kent | 909 | Evans |
| Ross Post Office (historical) | Ross Post Office (historical) | Kent | 709 | Cutlerville |
| Reeds Post Office (historical) | Reeds Post Office (historical) | Kent | Unknown | |
| Pleasant Post Office (historical) | Pleasant Post Office (historical) | Kent | 801 | Marne |
| Perrins Post Office (historical) | Perrins Post Office (historical) | Kent | 814 | Sand Lake SW |
| Parnell Post Office (historical) | Parnell Post Office (historical) | Kent | 837 | Cannonsburg |
| Oakfield Post Office (historical) | Oakfield Post Office (historical) | Kent | 863 | Greenville East |
| Pangborne Post Office (historical) | Pangborne Post Office (historical) | Kent | Unknown | |
| Oakfield Center Post Office (historical) | Oakfield Center Post Office (historical) | Kent | Unknown | |
| North Cannon Post Office (historical) | North Cannon Post Office (historical) | Kent | Unknown | |
| North Byron Post Office (historical) | North Byron Post Office (historical) | Kent | 692 | Cutlerville |
| Nelson Post Office (historical) | Nelson Post Office (historical) | Kent | 971 | Evans |
| McCords Post Office (historical) | McCords Post Office (historical) | Kent | 774 | Alto |
| Fishers Station Post Office (historical) | Fishers Station Post Office (historical) | Kent | 669 | Cutlerville |
| Fallassburg Post Office (historical) | Fallassburg Post Office (historical) | Kent | 709 | Lowell |
| Evans Post Office (historical) | Evans Post Office (historical) | Kent | 912 | Evans |
| Logan Post Office (historical) | Logan Post Office (historical) | Kent | 801 | Freeport |
| Erin Post Office (historical) | Erin Post Office (historical) | Kent | Unknown | |
| Englishville Post Office (historical) | Englishville Post Office (historical) | Kent | 764 | Cedar Springs SW |
| Edgerton Post Office (historical) | Edgerton Post Office (historical) | Kent | 755 | Cedar Springs |
| Lyman Post Office (historical) | Lyman Post Office (historical) | Kent | Unknown | |
| East Paris Post Office (historical) | East Paris Post Office (historical) | Kent | 771 | Grand Rapids East |
| Loomisville Post Office (historical) | Loomisville Post Office (historical) | Kent | Unknown | |
| Eardley Post Office (historical) | Eardley Post Office (historical) | Kent | 787 | Grand Rapids East |
| Lockwood Post Office (historical) | Lockwood Post Office (historical) | Kent | 886 | Sand Lake |
| Lisbon Post Office (historical) | Lisbon Post Office (historical) | Kent | 899 | Casnovia |
| Lincoln Lake Post Office (historical) | Lincoln Lake Post Office (historical) | Kent | 853 | Greenville West |
| Paris Post Office (historical) | Paris Post Office (historical) | Kent | 692 | Grand Rapids West |
| Kinney Post Office (historical) | Kinney Post Office (historical) | Kent | 735 | Marne |
| Crosby Post Office (historical) | Crosby Post Office (historical) | Kent | 741 | Grand Rapids West |
| Labarge Post Office (historical) | Labarge Post Office (historical) | Kent | 735 | Alto |
| Dickson Post Office (historical) | Dickson Post Office (historical) | Kent | Unknown | |
| Cuba Post Office (historical) | Cuba Post Office (historical) | Kent | Unknown | |
| Lake Post Office (historical) | Lake Post Office (historical) | Kent | Unknown | |
| Cortland Post Office (historical) | Cortland Post Office (historical) | Kent | 892 | Evans |
| Inez Post Office (historical) | Inez Post Office (historical) | Kent | Unknown | |
| Imperial Mills Post Office (historical) | Imperial Mills Post Office (historical) | Kent | 692 | Rockford |
| Cortland Center Post Office (historical) | Cortland Center Post Office (historical) | Kent | 889 | Evans |
| Harris Creek Post Office (historical) | Harris Creek Post Office (historical) | Kent | 722 | Alto |
| Harvard Post Office (historical) | Harvard Post Office (historical) | Kent | 866 | Evans |
| Corinth Post Office (historical) | Corinth Post Office (historical) | Kent | 804 | Cutlerville |
| Griswold Post Office (historical) | Griswold Post Office (historical) | Kent | 919 | Evans |
| Childsdale Post Office (historical) | Childsdale Post Office (historical) | Kent | 738 | Rockford |
| Grattan Post Office (historical) | Grattan Post Office (historical) | Kent | 830 | Cannonsburg |
| Cloud Post Office (historical) | Cloud Post Office (historical) | Kent | Unknown | |
| Chauncey Post Office (historical) | Chauncey Post Office (historical) | Kent | 627 | Rockford |
| Grahamville Post Office (historical) | Grahamville Post Office (historical) | Kent | Unknown | |
| Chapel Post Office (historical) | Chapel Post Office (historical) | Kent | 640 | Rockford |
| Gainesville Post Office (historical) | Gainesville Post Office (historical) | Kent | Unknown | |
| Celsus Post Office (historical) | Celsus Post Office (historical) | Kent | Unknown | |
| Gaines' Centre Post Office (historical) | Gaines' Centre Post Office (historical) | Kent | Unknown | |
| Cascade Post Office (historical) | Cascade Post Office (historical) | Kent | 663 | Cascade |
| Burch's Post Office (historical) | Burch's Post Office (historical) | Kent | 863 | Cedar Springs |
| Brick Tavern Post Office (historical) | Brick Tavern Post Office (historical) | Kent | Unknown | |
| Braceville Post Office (historical) | Braceville Post Office (historical) | Kent | Unknown | |
| Bowne Post Office (historical) | Bowne Post Office (historical) | Kent | 801 | Freeport |
| Bostwick Post Office (historical) | Bostwick Post Office (historical) | Kent | 866 | Cannonsburg |
| Ballards Post Office (historical) | Ballards Post Office (historical) | Kent | 860 | Cedar Springs SW |
| Austerlitz Post Office (historical) | Austerlitz Post Office (historical) | Kent | 669 | Rockford |
| Ashley Post Office (historical) | Ashley Post Office (historical) | Kent | 948 | Smyrna |
| Alpine Post Office (historical) | Alpine Post Office (historical) | Kent | 758 | Cedar Springs SW |
| Algoma Post Office (historical) | Algoma Post Office (historical) | Kent | 801 | Cedar Springs |
| Alaska Post Office (historical) | Alaska Post Office (historical) | Kent | 682 | Alto |
| Wyoming Post Office (historical) | Wyoming Post Office (historical) | Kent | 679 | Grand Rapids West |
| Allendale Post Office | Allendale Post Office | Ottawa | 653 | Allendale |
| White River Post Office (historical) | White River Post Office (historical) | Muskegon | Unknown | |
| Sweet's Station Post Office (historical) | Sweet's Station Post Office (historical) | Muskegon | 676 | Montague |
| Sweeter Post Office (historical) | Sweeter Post Office (historical) | Muskegon | 692 | Wolf Lake |
| Sullivan Post Office (historical) | Sullivan Post Office (historical) | Muskegon | 659 | Sullivan |
| Stump Post Office (historical) | Stump Post Office (historical) | Muskegon | Unknown | |
| Slocum Post Office (historical) | Slocum Post Office (historical) | Muskegon | 709 | Ravenna |
| Sherman Post Office (historical) | Sherman Post Office (historical) | Muskegon | Unknown | |
| Ryerson Post Office (historical) | Ryerson Post Office (historical) | Muskegon | Unknown | |
| Moorland Post Office (historical) | Moorland Post Office (historical) | Muskegon | 682 | Ravenna |
| Moon Post Office (historical) | Moon Post Office (historical) | Muskegon | 846 | Grant |
| Mile Creek Post Office (historical) | Mile Creek Post Office (historical) | Muskegon | Unknown | |
| Marr Post Office (historical) | Marr Post Office (historical) | Muskegon | Unknown | |
| Lake Harbor Post Office (historical) | Lake Harbor Post Office (historical) | Muskegon | 682 | Muskegon West |
| Hackley Post Office (historical) | Hackley Post Office (historical) | Muskegon | Unknown | |
| Green Creek Post Office (historical) | Green Creek Post Office (historical) | Muskegon | 610 | Dalton |
| East Muskegon Post Office (historical) | East Muskegon Post Office (historical) | Muskegon | Unknown | |
| Day Post Office (historical) | Day Post Office (historical) | Muskegon | Unknown | |
| Dalton Summit Post Office (historical) | Dalton Summit Post Office (historical) | Muskegon | Unknown | |
| Dalton Post Office (historical) | Dalton Post Office (historical) | Muskegon | 659 | Dalton |
| Crimea Post Office (historical) | Crimea Post Office (historical) | Muskegon | Unknown | |
| Carleton Post Office (historical) | Carleton Post Office (historical) | Muskegon | Unknown | |
| Canada Corners Post Office (historical) | Canada Corners Post Office (historical) | Muskegon | 768 | Casnovia |
| Brown's Mills Post Office (historical) | Brown's Mills Post Office (historical) | Muskegon | Unknown | |
| Owasippe Post Office (historical) | Owasippe Post Office (historical) | Muskegon | 676 | Big Blue Lake |
| Bluffton Post Office (historical) | Bluffton Post Office (historical) | Muskegon | 617 | Muskegon West |
| Oceana Post Office (historical) | Oceana Post Office (historical) | Muskegon | Unknown | |
| Blue Lake Post Office (historical) | Blue Lake Post Office (historical) | Muskegon | 673 | Big Blue Lake |
| Black Lake Post Office (historical) | Black Lake Post Office (historical) | Muskegon | 617 | Muskegon East |
| Trent Post Office (historical) | Trent Post Office (historical) | Muskegon | 718 | Bridgeton |
| Bixby Post Office (historical) | Bixby Post Office (historical) | Muskegon | 709 | Bridgeton |
| Muskegon Post Office | Muskegon Post Office | Muskegon | 607 | Muskegon West |
| Muskegon Heights Post Office | Muskegon Heights Post Office | Muskegon | 630 | Muskegon East |
| North Muskegon Post Office | North Muskegon Post Office | Muskegon | 620 | Dalton |
| Twin Lake Post Office | Twin Lake Post Office | Muskegon | 689 | Twin Lake |
| Ravenna Post Office | Ravenna Post Office | Muskegon | 676 | Ravenna |
| Whitehall Post Office | Whitehall Post Office | Muskegon | 623 | Montague |
| Montague Post Office | Montague Post Office | Muskegon | 597 | Montague |
| Holton Post Office | Holton Post Office | Muskegon | 735 | Holton |
| Bailey Post Office | Bailey Post Office | Muskegon | 837 | Grant |
| Fruitport Post Office | Fruitport Post Office | Muskegon | 620 | Muskegon East |
| Holland Post Office | Holland Post Office | Ottawa | 610 | Holland East |
| Yankee Spring Post Office (historical) | Yankee Spring Post Office (historical) | Barry | 873 | Cloverdale |
| Shultz Post Office (historical) | Shultz Post Office (historical) | Barry | 938 | Dowling |
| South Assyria Post Office (historical) | South Assyria Post Office (historical) | Barry | Unknown | |
| Savilla Post Office (historical) | Savilla Post Office (historical) | Barry | Unknown | |
| Rutland Post Office (historical) | Rutland Post Office (historical) | Barry | Unknown | |
| Quimby Post Office (historical) | Quimby Post Office (historical) | Barry | 810 | Maple Grove |
| Pritchardville Post Office (historical) | Pritchardville Post Office (historical) | Barry | 853 | Dowling |
| Prairieville Post Office (historical) | Prairieville Post Office (historical) | Barry | 981 | Cloverdale |
| Parmelee Post Office (historical) | Parmelee Post Office (historical) | Barry | 774 | Alto |
| Orangeville Post Office (historical) | Orangeville Post Office (historical) | Barry | 774 | Orangeville |
| O'Donnell Post Office (historical) | O'Donnell Post Office (historical) | Barry | Unknown | |
| North Irving Post Office (historical) | North Irving Post Office (historical) | Barry | 846 | Hastings |
| Morgan Post Office (historical) | Morgan Post Office (historical) | Barry | 814 | Maple Grove |
| Maple Grove Post Office (historical) | Maple Grove Post Office (historical) | Barry | 971 | Maple Grove |
| Lacey Post Office (historical) | Lacey Post Office (historical) | Barry | 997 | Bedford |
| Merritt Post Office (historical) | Merritt Post Office (historical) | Barry | Unknown | |
| Johnstown Post Office (historical) | Johnstown Post Office (historical) | Barry | 981 | Banfield |
| Irving Post Office (historical) | Irving Post Office (historical) | Barry | 751 | Middleville |
| Highbank Post Office (historical) | Highbank Post Office (historical) | Barry | 938 | Maple Grove |
| Gull Lake Post Office (historical) | Gull Lake Post Office (historical) | Barry | 899 | Delton |
| Glass Creek Post Office (historical) | Glass Creek Post Office (historical) | Barry | Unknown | |
| Gerkey Post Office (historical) | Gerkey Post Office (historical) | Barry | 817 | Woodland |
| Gaskill Post Office (historical) | Gaskill Post Office (historical) | Barry | 925 | Banfield |
| Fillmore Post Office (historical) | Fillmore Post Office (historical) | Barry | 833 | Freeport |
| Milo Post Office (historical) | Milo Post Office (historical) | Barry | 961 | Delton |
| Cressey Post Office (historical) | Cressey Post Office (historical) | Barry | 942 | Delton |
| Coats Grove Post Office (historical) | Coats Grove Post Office (historical) | Barry | 909 | Woodland |
| Ceylon Post Office (historical) | Ceylon Post Office (historical) | Barry | 938 | Bellevue |
| Cedarcreek Post Office (historical) | Cedarcreek Post Office (historical) | Barry | 912 | Dowling |
| Carlton Center Post Office (historical) | Carlton Center Post Office (historical) | Barry | 830 | Hastings |
| Bowens Mills Post Office (historical) | Bowens Mills Post Office (historical) | Barry | 771 | Bowens Mill |
| Blair Post Office (historical) | Blair Post Office (historical) | Barry | 837 | Saubee Lake |
| Barryville Post Office (historical) | Barryville Post Office (historical) | Barry | 846 | Maple Grove |
| Banfield Post Office (historical) | Banfield Post Office (historical) | Barry | 968 | Banfield |
| Assyria Post Office (historical) | Assyria Post Office (historical) | Barry | 892 | Bedford |
| Hastings Post Office | Hastings Post Office | Barry | 784 | Hastings |
| Woodland Post Office | Woodland Post Office | Barry | 869 | Woodland |
| Nashville Post Office | Nashville Post Office | Barry | 823 | Nashville |
| Middleville Post Office | Middleville Post Office | Barry | 771 | Middleville |
| Hickory Corners Post Office | Hickory Corners Post Office | Barry | 948 | Delton |
| Freeport Post Office | Freeport Post Office | Barry | 791 | Freeport |
| Delton Post Office | Delton Post Office | Barry | 942 | Delton |
| Dowling Post Office | Dowling Post Office | Barry | 958 | Dowling |
| Cloverdale Post Office | Cloverdale Post Office | Barry | 909 | Cloverdale |
| Zutphen Post Office (historical) | Zutphen Post Office (historical) | Ottawa | 751 | Hudsonville West |
| Wright Post Office (historical) | Wright Post Office (historical) | Ottawa | 869 | Marne |
| Vriesland Post Office (historical) | Vriesland Post Office (historical) | Ottawa | 689 | Hudsonville West |
| Ventura Post Office (historical) | Ventura Post Office (historical) | Ottawa | 640 | Holland West |
| Tuscarora Post Office (historical) | Tuscarora Post Office (historical) | Ottawa | Unknown | |
| Tallmadge Post Office (historical) | Tallmadge Post Office (historical) | Ottawa | 663 | Grandville |
| Six Corners Post Office (historical) | Six Corners Post Office (historical) | Ottawa | 751 | Ravenna |
| South Blendon Post Office (historical) | South Blendon Post Office (historical) | Ottawa | 659 | Allendale |
| Sebastopol Post Office (historical) | Sebastopol Post Office (historical) | Ottawa | Unknown | |
| Scranton Post Office (historical) | Scranton Post Office (historical) | Ottawa | Unknown | |
| Robinson Post Office (historical) | Robinson Post Office (historical) | Ottawa | 627 | Borculo |
| Rusk Post Office (historical) | Rusk Post Office (historical) | Ottawa | 636 | Borculo |
| Reno Post Office (historical) | Reno Post Office (historical) | Ottawa | 712 | Marne |
| Pottamie Post Office (historical) | Pottamie Post Office (historical) | Ottawa | 594 | Grand Haven |
| Portsheldon Post Office (historical) | Portsheldon Post Office (historical) | Ottawa | 587 | Port Sheldon |
| Pearline Post Office (historical) | Pearline Post Office (historical) | Ottawa | 659 | Allendale |
| Ottawa Centre Post Office (historical) | Ottawa Centre Post Office (historical) | Ottawa | Unknown | |
| Ottawa Station Post Office (historical) | Ottawa Station Post Office (historical) | Ottawa | 620 | Borculo |
| Ottawa Beach Post Office (historical) | Ottawa Beach Post Office (historical) | Ottawa | 597 | Holland West |
| Olive Center Post Office (historical) | Olive Center Post Office (historical) | Ottawa | 630 | Borculo |
| Nortonville Post Office (historical) | Nortonville Post Office (historical) | Ottawa | 607 | Grand Haven |
| North Robinson Post Office (historical) | North Robinson Post Office (historical) | Ottawa | Unknown | |
| Noordeloos Post Office (historical) | Noordeloos Post Office (historical) | Ottawa | 659 | Holland East |
| New Holland Post Office (historical) | New Holland Post Office (historical) | Ottawa | 689 | Holland East |
| New Groningen Post Office (historical) | New Groningen Post Office (historical) | Ottawa | 591 | Holland East |
| Herrington Post Office (historical) | Herrington Post Office (historical) | Ottawa | 702 | Marne |
| Heath Post Office (historical) | Heath Post Office (historical) | Ottawa | Unknown | |
| Hanley Post Office (historical) | Hanley Post Office (historical) | Ottawa | 673 | Hudsonville East |
| Harrisburg Post Office (historical) | Harrisburg Post Office (historical) | Ottawa | 702 | Casnovia |
| Gooding Post Office (historical) | Gooding Post Office (historical) | Ottawa | 830 | Casnovia |
| Gitchel Post Office (historical) | Gitchel Post Office (historical) | Ottawa | 699 | Hudsonville East |
| Drenthe Post Office (historical) | Drenthe Post Office (historical) | Ottawa | 663 | Hudsonville West |
| Georgetown Post Office (historical) | Georgetown Post Office (historical) | Ottawa | 643 | Grandville |
| Forestgrove Post Office (historical) | Forestgrove Post Office (historical) | Ottawa | 784 | Hudsonville East |
| Elgin Post Office (historical) | Elgin Post Office (historical) | Ottawa | Unknown | |
| Farowe Post Office (historical) | Farowe Post Office (historical) | Ottawa | Unknown | |
| Eastmanville Post Office (historical) | Eastmanville Post Office (historical) | Ottawa | 600 | Coopersville |
| East Holland Post Office (historical) | East Holland Post Office (historical) | Ottawa | 669 | Holland East |
| Dennison Post Office (historical) | Dennison Post Office (historical) | Ottawa | 640 | Coopersville |
| Duck Lake Post Office (historical) | Duck Lake Post Office (historical) | Ottawa | Unknown | |
| Finnasey Post Office (historical) | Finnasey Post Office (historical) | Ottawa | Unknown | |
| Debri Post Office (historical) | Debri Post Office (historical) | Ottawa | 751 | Hudsonville East |
| Crisp Post Office (historical) | Crisp Post Office (historical) | Ottawa | 676 | Borculo |
| Conger Post Office (historical) | Conger Post Office (historical) | Ottawa | Unknown | |
| Borculo Post Office (historical) | Borculo Post Office (historical) | Ottawa | 656 | Borculo |
| Blendon Post Office (historical) | Blendon Post Office (historical) | Ottawa | 650 | Allendale |
| Big Spring Post Office (historical) | Big Spring Post Office (historical) | Ottawa | 774 | Marne |
| Beaverdam Post Office (historical) | Beaverdam Post Office (historical) | Ottawa | 686 | Hudsonville West |
| Bauer Post Office (historical) | Bauer Post Office (historical) | Ottawa | 666 | Allendale |
| Bassriver Post Office (historical) | Bassriver Post Office (historical) | Ottawa | 591 | Nunica |
| Agnew Post Office (historical) | Agnew Post Office (historical) | Ottawa | 627 | Port Sheldon |
| Coopersville Post Office | Coopersville Post Office | Ottawa | 640 | Coopersville |
| Conklin Post Office | Conklin Post Office | Ottawa | 718 | Ravenna |
| Grand Haven Post Office | Grand Haven Post Office | Ottawa | 604 | Grand Haven |
| Spring Lake Post Office | Spring Lake Post Office | Ottawa | 591 | Grand Haven |
| Ferrysburg Post Office | Ferrysburg Post Office | Ottawa | 594 | Grand Haven |
| Zeeland Post Office | Zeeland Post Office | Ottawa | 640 | Holland East |
| Marne Post Office | Marne Post Office | Ottawa | 669 | Marne |
| Lamont Post Office | Lamont Post Office | Ottawa | 656 | Coopersville |
| Jenison Post Office | Jenison Post Office | Ottawa | 610 | Grandville |
| Hudsonville Post Office | Hudsonville Post Office | Ottawa | 643 | Hudsonville East |
| West Olive Post Office | West Olive Post Office | Ottawa | 617 | Port Sheldon |
| Nunica Post Office | Nunica Post Office | Ottawa | 627 | Nunica |
| Saint Johns Post Office | Saint Johns Post Office | Clinton | 791 | Saint Johns North |
| Fowler Post Office | Fowler Post Office | Clinton | 738 | Maple Rapids |
| Bath Post Office | Bath Post Office | Clinton | 869 | Bath |
| Eagle Post Office | Eagle Post Office | Clinton | 840 | Eagle |
| Westphalia Post Office | Westphalia Post Office | Clinton | 758 | Westphalia |
| Ovid Post Office | Ovid Post Office | Clinton | 728 | Ovid East |
| Maple Rapids Post Office | Maple Rapids Post Office | Clinton | 686 | Maple Rapids |
| Elsie Post Office | Elsie Post Office | Clinton | 732 | Ovid West |
| Eureka Post Office | Eureka Post Office | Clinton | 725 | Saint Johns North |
| DeWitt Post Office | DeWitt Post Office | Clinton | 843 | Lansing North |
| Wacousta Post Office (historical) | Wacousta Post Office (historical) | Clinton | 797 | Wacousta |
| Union Home Post Office (historical) | Union Home Post Office (historical) | Clinton | 735 | Saint Johns North |
| South Riley Post Office (historical) | South Riley Post Office (historical) | Clinton | 820 | Wacousta |
| Shepardsville Post Office (historical) | Shepardsville Post Office (historical) | Clinton | 755 | Ovid West |
| Watertown Post Office (historical) | Watertown Post Office (historical) | Clinton | Unknown | |
| River Bend Post Office (historical) | River Bend Post Office (historical) | Clinton | 850 | Eagle |
| Rustic Post Office (historical) | Rustic Post Office (historical) | Clinton | Unknown | |
| Riley Post Office (historical) | Riley Post Office (historical) | Clinton | 748 | Riley |
| Ridgeroad Post Office (historical) | Ridgeroad Post Office (historical) | Clinton | Unknown | |
| Rew Post Office (historical) | Rew Post Office (historical) | Clinton | Unknown | |
| Price Post Office (historical) | Price Post Office (historical) | Clinton | 810 | Price |
| Oral Post Office (historical) | Oral Post Office (historical) | Clinton | 745 | Riley |
| North Eagle Post Office (historical) | North Eagle Post Office (historical) | Clinton | 807 | Eagle |
| Lyon's Mill Post Office (historical) | Lyon's Mill Post Office (historical) | Clinton | 741 | Saint Johns North |
| Jessie Post Office (historical) | Jessie Post Office (historical) | Clinton | 764 | Price |
| Ingersoll Post Office (historical) | Ingersoll Post Office (historical) | Clinton | 853 | Wacousta |
| Gunnisonville Post Office (historical) | Gunnisonville Post Office (historical) | Clinton | 856 | Lansing North |
| Victor Post Office (historical) | Victor Post Office (historical) | Clinton | 807 | Price |
| Geary Post Office (historical) | Geary Post Office (historical) | Clinton | 820 | Price |
| Lebanon Post Office (historical) | Lebanon Post Office (historical) | Clinton | Unknown | |
| Keystone Post Office (historical) | Keystone Post Office (historical) | Clinton | Unknown | |
| Goss Post Office (historical) | Goss Post Office (historical) | Clinton | Unknown | |
| Gardnier's Corners Post Office (historical) | Gardnier's Corners Post Office (historical) | Clinton | Unknown | |
| Essex Post Office (historical) | Essex Post Office (historical) | Clinton | 718 | Maple Rapids |
| East Essex Post Office (historical) | East Essex Post Office (historical) | Clinton | Unknown | |
| Duplain Post Office (historical) | Duplain Post Office (historical) | Clinton | 732 | Ovid West |
| Olive Post Office (historical) | Olive Post Office (historical) | Clinton | 781 | Saint Johns South |
| Corkin Post Office (historical) | Corkin Post Office (historical) | Clinton | 801 | Saint Johns South |
| Bengal Post Office (historical) | Bengal Post Office (historical) | Clinton | 728 | Riley |
| Glenn Post Office | Glenn Post Office | Allegan | 650 | Glenn |
| Merson Post Office (historical) | Merson Post Office (historical) | Allegan | 761 | Merson |
| May Post Office (historical) | May Post Office (historical) | Allegan | 709 | Holland East |
| Maplewood Post Office (historical) | Maplewood Post Office (historical) | Allegan | Unknown | |
| Leighton Post Office (historical) | Leighton Post Office (historical) | Allegan | Unknown | |
| Lee Post Office (historical) | Lee Post Office (historical) | Allegan | 646 | Pullman |
| Horseshoe Post Office (historical) | Horseshoe Post Office (historical) | Allegan | 673 | Pullman |
| Hooper Post Office (historical) | Hooper Post Office (historical) | Allegan | 738 | Orangeville |
| Hilliards Post Office (historical) | Hilliards Post Office (historical) | Allegan | 718 | Wayland |
| Leisure Post Office (historical) | Leisure Post Office (historical) | Allegan | 686 | Lacota |
| Hawkhead Post Office (historical) | Hawkhead Post Office (historical) | Allegan | 623 | Lacota |
| Gunlake Post Office (historical) | Gunlake Post Office (historical) | Allegan | 755 | Orangeville |
| Greenlake Post Office (historical) | Greenlake Post Office (historical) | Allegan | 807 | Bowens Mill |
| Graafschap Post Office (historical) | Graafschap Post Office (historical) | Allegan | 715 | Holland West |
| Gibson Post Office (historical) | Gibson Post Office (historical) | Allegan | 643 | Saugatuck |
| Ganges Post Office (historical) | Ganges Post Office (historical) | Allegan | 659 | Glenn |
| Fillmore Center Post Office (historical) | Fillmore Center Post Office (historical) | Allegan | 709 | Hamilton West |
| Fogo Post Office (historical) | Fogo Post Office (historical) | Allegan | Unknown | |
| East Saugatuck Post Office (historical) | East Saugatuck Post Office (historical) | Allegan | 712 | Hamilton West |
| Dunningville Post Office (historical) | Dunningville Post Office (historical) | Allegan | 673 | Millgrove |
| Doty Post Office (historical) | Doty Post Office (historical) | Allegan | Unknown | |
| Doster Post Office (historical) | Doster Post Office (historical) | Allegan | 899 | Kalamazoo NE |
| Diamond Springs Post Office (historical) | Diamond Springs Post Office (historical) | Allegan | 627 | Hamilton East |
| Dallas Post Office (historical) | Dallas Post Office (historical) | Allegan | 702 | Burnips |
| Corning Post Office (historical) | Corning Post Office (historical) | Allegan | 840 | Bowens Mill |
| Chicora Post Office (historical) | Chicora Post Office (historical) | Allegan | 689 | Bloomingdale |
| Chesire Post Office (historical) | Chesire Post Office (historical) | Allegan | 709 | Bloomingdale |
| Bravo Post Office (historical) | Bravo Post Office (historical) | Allegan | 666 | Fennville |
| Bentheim Post Office (historical) | Bentheim Post Office (historical) | Allegan | 653 | Hamilton East |
| Esther Post Office (historical) | Esther Post Office (historical) | Allegan | 627 | Glenn |
| Belknap Post Office (historical) | Belknap Post Office (historical) | Allegan | 699 | Glenn |
| Coyville Post Office (historical) | Coyville Post Office (historical) | Allegan | Unknown | |
| Bee Line Post Office (historical) | Bee Line Post Office (historical) | Allegan | Unknown | |
| Avis Post Office (historical) | Avis Post Office (historical) | Allegan | 640 | Pullman |
| Dent Post Office (historical) | Dent Post Office (historical) | Allegan | 774 | Otsego |
| Kellogg Post Office (historical) | Kellogg Post Office (historical) | Allegan | 705 | Allegan |
| Abronia Post Office (historical) | Abronia Post Office (historical) | Allegan | 715 | Allegan |
| Wayland Post Office | Wayland Post Office | Allegan | 741 | Wayland |
| Pullman Post Office | Pullman Post Office | Allegan | 653 | Pullman |
| West Casco Post Office (historical) | West Casco Post Office (historical) | Allegan | 646 | Lacota |
| Watson Post Office (historical) | Watson Post Office (historical) | Allegan | 810 | Martin |
| Trowbridge Post Office (historical) | Trowbridge Post Office (historical) | Allegan | Unknown | |
| Swan Creek Post Office (historical) | Swan Creek Post Office (historical) | Allegan | Unknown | |
| Spring Grove Post Office (historical) | Spring Grove Post Office (historical) | Allegan | 686 | Glenn |
| South Monterey Post Office (historical) | South Monterey Post Office (historical) | Allegan | 771 | Allegan |
| Wheeler Post Office (historical) | Wheeler Post Office (historical) | Allegan | Unknown | |
| Stafford Post Office (historical) | Stafford Post Office (historical) | Allegan | Unknown | |
| Silvercreek Post Office (historical) | Silvercreek Post Office (historical) | Allegan | 768 | Kalamazoo NE |
| Pine Plain Post Office (historical) | Pine Plain Post Office (historical) | Allegan | Unknown | |
| Proctor Post Office (historical) | Proctor Post Office (historical) | Allegan | Unknown | |
| Pearl Post Office (historical) | Pearl Post Office (historical) | Allegan | 653 | Fennville |
| Peachbelt Post Office (historical) | Peachbelt Post Office (historical) | Allegan | 679 | Glenn |
| Overisel Post Office (historical) | Overisel Post Office (historical) | Allegan | 699 | Hamilton West |
| Oakland Post Office (historical) | Oakland Post Office (historical) | Allegan | Unknown | |
| North Dorr Post Office (historical) | North Dorr Post Office (historical) | Allegan | 764 | Hudsonville East |
| New Salem Post Office (historical) | New Salem Post Office (historical) | Allegan | 686 | Hudsonville East |
| New Richmond Post Office | New Richmond Post Office | Allegan | 591 | Hamilton West |
| Monterey Post Office (historical) | Monterey Post Office (historical) | Allegan | 899 | Burnips |
| Monteith Post Office (historical) | Monteith Post Office (historical) | Allegan | 820 | Martin |
| Minerlake Post Office (historical) | Minerlake Post Office (historical) | Allegan | 725 | Allegan |
| Millgrove Post Office (historical) | Millgrove Post Office (historical) | Allegan | 699 | Millgrove |
| Allegan Post Office | Allegan Post Office | Allegan | 643 | Allegan |
| Dorr Post Office | Dorr Post Office | Allegan | 692 | Wayland |
| Burnips Post Office | Burnips Post Office | Allegan | 689 | Burnips |
| Bradley Post Office | Bradley Post Office | Allegan | 827 | Wayland |
| Shelbyville Post Office | Shelbyville Post Office | Allegan | 827 | Martin |
| Saugatuck Post Office | Saugatuck Post Office | Allegan | 594 | Saugatuck |
| Douglas Post Office | Douglas Post Office | Allegan | 610 | Saugatuck |
| Otsego Post Office | Otsego Post Office | Allegan | 712 | Otsego |
| Moline Post Office | Moline Post Office | Allegan | 801 | Wayland |
| Martin Post Office | Martin Post Office | Allegan | 830 | Martin |
| Hopkins Post Office | Hopkins Post Office | Allegan | 705 | Allegan |
| Fennville Post Office | Fennville Post Office | Allegan | 659 | Fennville |
| Sink Brook Post Office | Sink Brook Post Office | Allegan | 640 | Hamilton West |
| Waverly Post Office (historical) | Waverly Post Office (historical) | Van Buren | 781 | Gobles West |
| Wood Post Office (historical) | Wood Post Office (historical) | Van Buren | Unknown | |
| Whiting Post Office (historical) | Whiting Post Office (historical) | Van Buren | Unknown | |
| Toquin Post Office (historical) | Toquin Post Office (historical) | Van Buren | 676 | McDonald |
| Saint Paul Post Office (historical) | Saint Paul Post Office (historical) | Van Buren | Unknown | |
| Saddle Lake Post Office (historical) | Saddle Lake Post Office (historical) | Van Buren | 666 | Pullman |
| Prospect Lake Post Office (historical) | Prospect Lake Post Office (historical) | Van Buren | 768 | Lawrence |
| Porter Post Office (historical) | Porter Post Office (historical) | Van Buren | Unknown | |
| Pine Grove Mills Post Office (historical) | Pine Grove Mills Post Office (historical) | Van Buren | 787 | Gobles East |
| Packard Post Office (historical) | Packard Post Office (historical) | Van Buren | 656 | Covert |
| Milesborough Post Office (historical) | Milesborough Post Office (historical) | Van Buren | Unknown | |
| Mentha Post Office (historical) | Mentha Post Office (historical) | Van Buren | 725 | Gobles East |
| McDonald Post Office (historical) | McDonald Post Office (historical) | Van Buren | 676 | McDonald |
| Lake Cora Post Office (historical) | Lake Cora Post Office (historical) | Van Buren | 761 | Paw Paw |
| Kibbie Post Office (historical) | Kibbie Post Office (historical) | Van Buren | 627 | Lacota |
| Keeler Post Office (historical) | Keeler Post Office (historical) | Van Buren | 804 | Sister Lakes |
| Hooker Post Office (historical) | Hooker Post Office (historical) | Van Buren | 633 | McDonald |
| Hamilton Post Office (historical) | Hamilton Post Office (historical) | Van Buren | Unknown | |
| Glendale Post Office (historical) | Glendale Post Office (historical) | Van Buren | 764 | Gobles West |
| Forest Home Post Office (historical) | Forest Home Post Office (historical) | Van Buren | Unknown | |
| Edgel Post Office (historical) | Edgel Post Office (historical) | Van Buren | Unknown | |
| Corwin Post Office (historical) | Corwin Post Office (historical) | Van Buren | Unknown | |
| Berlamont Post Office (historical) | Berlamont Post Office (historical) | Van Buren | 699 | Bloomingdale |
| Arlington Post Office (historical) | Arlington Post Office (historical) | Van Buren | 791 | Bangor |
| Almena Post Office (historical) | Almena Post Office (historical) | Van Buren | 758 | Gobles East |
| Breedsville Post Office | Breedsville Post Office | Van Buren | 663 | Bangor |
| Lacota Post Office | Lacota Post Office | Van Buren | 692 | Lacota |
| Grand Ledge Post Office | Grand Ledge Post Office | Eaton | 843 | Wacousta |
| Olivet Post Office | Olivet Post Office | Eaton | 883 | Olivet |
| South Haven Post Office | South Haven Post Office | Van Buren | 617 | South Haven |
| South Haven Post Office | South Haven Post Office | Van Buren | 617 | South Haven |
| Paw Paw Post Office | Paw Paw Post Office | Van Buren | 732 | Paw Paw |
| Mattawan Post Office | Mattawan Post Office | Van Buren | 840 | Lawton |
| Lawton Post Office | Lawton Post Office | Van Buren | 787 | Lawton |
| Lawrence Post Office | Lawrence Post Office | Van Buren | 682 | Lawrence |
| Potterville Post Office | Potterville Post Office | Eaton | 909 | Dimondale |
| Sunfield Post Office | Sunfield Post Office | Eaton | 866 | Portland South |
| Eaton Rapids Post Office | Eaton Rapids Post Office | Eaton | 879 | Eaton Rapids |
| Dimondale Post Office | Dimondale Post Office | Eaton | 856 | Dimondale |
| Vermontville Post Office | Vermontville Post Office | Eaton | 932 | Saubee Lake |
| Kendall Post Office | Kendall Post Office | Van Buren | 794 | Gobles East |
| Hartford Post Office | Hartford Post Office | Van Buren | 659 | Hartford |
| Grand Junction Post Office | Grand Junction Post Office | Van Buren | 679 | Pullman |
| Brookfield Post Office (historical) | Brookfield Post Office (historical) | Eaton | 922 | Duck Lake |
| Dellwood Post Office (historical) | Dellwood Post Office (historical) | Eaton | 873 | Saubee Lake |
| Bismarck Post Office (historical) | Bismarck Post Office (historical) | Eaton | 886 | Saubee Lake |
| Allen's Post Office (historical) | Allen's Post Office (historical) | Eaton | 876 | Hoytville |
| Ainger Post Office (historical) | Ainger Post Office (historical) | Eaton | 883 | Olivet |
| Gobles Post Office | Gobles Post Office | Van Buren | 810 | Gobles West |
| Decatur Post Office | Decatur Post Office | Van Buren | 784 | Decatur |
| Covert Post Office | Covert Post Office | Van Buren | 686 | Covert |
| Bloomingdale Post Office | Bloomingdale Post Office | Van Buren | 738 | Bloomingdale |
| Bangor Post Office | Bangor Post Office | Van Buren | 659 | Bangor |
| Charlotte Post Office | Charlotte Post Office | Eaton | 909 | Charlotte |
| Mulliken Post Office | Mulliken Post Office | Eaton | 869 | Portland South |
| Bellevue Post Office | Bellevue Post Office | Eaton | 866 | Bellevue |
| Woodbury Post Office (historical) | Woodbury Post Office (historical) | Eaton | 883 | Woodbury |
| Windsor Post Office (historical) | Windsor Post Office (historical) | Eaton | 886 | Lansing South |
| West Windsor Post Office (historical) | West Windsor Post Office (historical) | Eaton | 938 | Dimondale |
| West Benton Post Office (historical) | West Benton Post Office (historical) | Eaton | Unknown | |
| Tyler Post Office (historical) | Tyler Post Office (historical) | Eaton | Unknown | |
| Spicerville Post Office (historical) | Spicerville Post Office (historical) | Eaton | 892 | Springport |
| South Surnield Post Office (historical) | South Surnield Post Office (historical) | Eaton | Unknown | |
| Roxana Post Office (historical) | Roxana Post Office (historical) | Eaton | 889 | Hoytville |
| Petreville Post Office (historical) | Petreville Post Office (historical) | Eaton | 879 | Aurelius |
| Oneida Post Office (historical) | Oneida Post Office (historical) | Eaton | 886 | Needmore |
| Millett Post Office (historical) | Millett Post Office (historical) | Eaton | 869 | Lansing South |
| Kingsland Post Office (historical) | Kingsland Post Office (historical) | Eaton | 925 | Eaton Rapids |
| Shaytown Post Office (historical) | Shaytown Post Office (historical) | Eaton | 863 | Hoytville |
| Kelly Post Office (historical) | Kelly Post Office (historical) | Eaton | 899 | Hoytville |
| Kalamo Post Office (historical) | Kalamo Post Office (historical) | Eaton | 942 | Nashville |
| Hoytville Post Office (historical) | Hoytville Post Office (historical) | Eaton | 879 | Hoytville |
| Gresham Post Office (historical) | Gresham Post Office (historical) | Eaton | 919 | Hoytville |
| OpeGrand River Post Office (historical) | OpeGrand River Post Office (historical) | Eaton | Unknown | |
| Elmira Post Office (historical) | Elmira Post Office (historical) | Eaton | Unknown | |
| Eaton Post Office (historical) | Eaton Post Office (historical) | Eaton | Unknown | |
| East Walton Post Office (historical) | East Walton Post Office (historical) | Eaton | Unknown | |
| Delta Post Office (historical) | Delta Post Office (historical) | Eaton | 843 | Wacousta |
| County Line Post Office (historical) | County Line Post Office (historical) | Eaton | Unknown | |
| Clinton Junction Post Office (historical) | Clinton Junction Post Office (historical) | Eaton | 866 | Saubee Lake |
| Chester Post Office (historical) | Chester Post Office (historical) | Eaton | 909 | Chester |
| Charlesworth Post Office (historical) | Charlesworth Post Office (historical) | Eaton | 925 | Springport |
| Carlisle Post Office (historical) | Carlisle Post Office (historical) | Eaton | 919 | Chester |
| Camp Creek Post Office (historical) | Camp Creek Post Office (historical) | Eaton | Unknown | |
| Clinton Junction Post Office (historical) | Clinton Junction Post Office (historical) | Eaton | 866 | Saubee Lake |
| Whigville Post Office (historical) | Whigville Post Office (historical) | Lapeer | 1043 | Thornville |
| Weeks Post Office (historical) | Weeks Post Office (historical) | Lapeer | 850 | Marlette |
| Wait Post Office (historical) | Wait Post Office (historical) | Lapeer | 801 | Mayville |
| Thornville Post Office (historical) | Thornville Post Office (historical) | Lapeer | 971 | Thornville |
| Stephens Post Office (historical) | Stephens Post Office (historical) | Lapeer | 873 | North Branch |
| Sharpsville Post Office (historical) | Sharpsville Post Office (historical) | Lapeer | 837 | Brown City |
| Rural Vale Post Office (historical) | Rural Vale Post Office (historical) | Lapeer | 1099 | Metamora |
| Pool Post Office (historical) | Pool Post Office (historical) | Lapeer | 994 | Thornville |
| Oregon Post Office (historical) | Oregon Post Office (historical) | Lapeer | 794 | Lapeer |
| Marathon Post Office (historical) | Marathon Post Office (historical) | Lapeer | 778 | Columbiaville |
| Lum Post Office (historical) | Lum Post Office (historical) | Lapeer | 873 | Attica |
| Kings Mill Post Office (historical) | Kings Mill Post Office (historical) | Lapeer | 879 | North Branch |
| Index Post Office (historical) | Index Post Office (historical) | Lapeer | 830 | Burnside |
| Imlay Post Office (historical) | Imlay Post Office (historical) | Lapeer | 902 | Imlay City |
| Hunters Creek Post Office (historical) | Hunters Creek Post Office (historical) | Lapeer | 892 | Metamora |
| Goodland Post Office (historical) | Goodland Post Office (historical) | Lapeer | 837 | Imlay City |
| Five Lakes Post Office (historical) | Five Lakes Post Office (historical) | Lapeer | 850 | North Branch |
| Farmers Creek Post Office (historical) | Farmers Creek Post Office (historical) | Lapeer | 919 | Metamora |
| Elba Post Office (historical) | Elba Post Office (historical) | Lapeer | 850 | Elba |
| Deanville Post Office (historical) | Deanville Post Office (historical) | Lapeer | 830 | Burnside |
| Elm Creek Post Office (historical) | Elm Creek Post Office (historical) | Lapeer | Unknown | |
| Drake Post Office (historical) | Drake Post Office (historical) | Lapeer | Unknown | |
| Burtis Post Office (historical) | Burtis Post Office (historical) | Lapeer | Unknown | |
| Burnside Post Office (historical) | Burnside Post Office (historical) | Lapeer | 850 | Burnside |
| Arcadia Post Office (historical) | Arcadia Post Office (historical) | Lapeer | Attica | |
| Arkdale Post Office (historical) | Arkdale Post Office (historical) | Lapeer | 860 | Attica |
| Lapeer Post Office | Lapeer Post Office | Lapeer | 837 | Lapeer |
| Otter Lake Post Office | Otter Lake Post Office | Lapeer | 863 | Columbiaville |
| North Branch Post Office | North Branch Post Office | Lapeer | 823 | North Branch |
| Metamora Post Office | Metamora Post Office | Lapeer | 1014 | Metamora |
| Imlay City Post Office | Imlay City Post Office | Lapeer | 827 | Imlay City |
| Hadley Post Office | Hadley Post Office | Lapeer | 906 | Hadley |
| Dryden Post Office | Dryden Post Office | Lapeer | 932 | Almont |
| Columbiaville Post Office | Columbiaville Post Office | Lapeer | 761 | Columbiaville |
| Clifford Post Office | Clifford Post Office | Lapeer | 830 | Clifford |
| Attica Post Office | Attica Post Office | Lapeer | 899 | Attica |
| Almont Post Office | Almont Post Office | Lapeer | 853 | Almont |
| Lennon Post Office | Lennon Post Office | Shiawassee | 784 | Durand |
| Owosso Post Office | Owosso Post Office | Shiawassee | 741 | Owosso South |
| Morrice Post Office | Morrice Post Office | Shiawassee | 889 | Perry |
| New Lothrop Post Office | New Lothrop Post Office | Shiawassee | 692 | New Lothrop |
| Wheelerville Post Office (historical) | Wheelerville Post Office (historical) | Shiawassee | Unknown | |
| Westhaven Post Office (historical) | Westhaven Post Office (historical) | Shiawassee | 705 | Owosso North |
| Venice Post Office (historical) | Venice Post Office (historical) | Shiawassee | Unknown | |
| Sagerville Post Office (historical) | Sagerville Post Office (historical) | Shiawassee | Unknown | |
| Rann's Mill Post Office (historical) | Rann's Mill Post Office (historical) | Shiawassee | Unknown | |
| Pittsburg Post Office (historical) | Pittsburg Post Office (historical) | Shiawassee | 856 | Owosso South |
| Olney Post Office (historical) | Olney Post Office (historical) | Shiawassee | Unknown | |
| North Vernon Post Office (historical) | North Vernon Post Office (historical) | Shiawassee | Unknown | |
| North Newburg Post Office (historical) | North Newburg Post Office (historical) | Shiawassee | 837 | Corunna |
| Nicholson Post Office (historical) | Nicholson Post Office (historical) | Shiawassee | Unknown | |
| Middleburgh Post Office (historical) | Middleburgh Post Office (historical) | Shiawassee | Unknown | |
| Maple Valley Post Office (historical) | Maple Valley Post Office (historical) | Shiawassee | Unknown | |
| Kerby Post Office (historical) | Kerby Post Office (historical) | Shiawassee | 768 | Corunna |
| Kenney's Post Office (historical) | Kenney's Post Office (historical) | Shiawassee | Unknown | |
| Judd's Corners Post Office (historical) | Judd's Corners Post Office (historical) | Shiawassee | 725 | New Lothrop |
| Shaftsburg Post Office | Shaftsburg Post Office | Shiawassee | 886 | Shaftsburg |
| Hazelton Post Office (historical) | Hazelton Post Office (historical) | Shiawassee | 712 | New Lothrop |
| Hartwellville Post Office (historical) | Hartwellville Post Office (historical) | Shiawassee | 869 | Owosso South |
| Hamblin Post Office (historical) | Hamblin Post Office (historical) | Shiawassee | Unknown | |
| Glass River Post Office (historical) | Glass River Post Office (historical) | Shiawassee | 886 | Corunna SE |
| Fremont Post Office (historical) | Fremont Post Office (historical) | Shiawassee | 850 | Corunna |
| Enterprise Post Office (historical) | Enterprise Post Office (historical) | Shiawassee | Unknown | |
| Easton Post Office (historical) | Easton Post Office (historical) | Shiawassee | 725 | Easton |
| Carland Post Office (historical) | Carland Post Office (historical) | Shiawassee | 755 | Ovid East |
| Perry Post Office | Perry Post Office | Shiawassee | 889 | Perry |
| Burton Post Office (historical) | Burton Post Office (historical) | Shiawassee | 771 | Ovid East |
| Burns Post Office (historical) | Burns Post Office (historical) | Shiawassee | 840 | Corunna SE |
| Bennington Post Office (historical) | Bennington Post Office (historical) | Shiawassee | 797 | Owosso South |
| Vernon Post Office | Vernon Post Office | Shiawassee | 781 | Corunna |
| Byron Post Office | Byron Post Office | Shiawassee | 850 | Byron |
| Laingsburg Post Office | Laingsburg Post Office | Shiawassee | 833 | Laingsburg |
| Henderson Post Office | Henderson Post Office | Shiawassee | 732 | Owosso North |
| Bancroft Post Office | Bancroft Post Office | Shiawassee | 856 | Corunna |
| Durand Post Office | Durand Post Office | Shiawassee | 791 | Durand |
| Corunna Post Office | Corunna Post Office | Shiawassee | 741 | Corunna |
| Plainwell Post Office | Plainwell Post Office | Allegan | 722 | Otsego |
| Wales Post Office (historical) | Wales Post Office (historical) | St. Clair | 702 | Goodells |
| Wadhams Post Office (historical) | Wadhams Post Office (historical) | St. Clair | 669 | Smiths Creek |
| Vincent Post Office (historical) | Vincent Post Office (historical) | St. Clair | 643 | Ruby |
| Thornton Post Office (historical) | Thornton Post Office (historical) | St. Clair | 659 | Smiths Creek |
| Starrville Post Office (historical) | Starrville Post Office (historical) | St. Clair | 594 | Marine City |
| Saint Clair Springs Post Office (historical) | Saint Clair Springs Post Office (historical) | St. Clair | 604 | St. Clair |
| Ruby Post Office (historical) | Ruby Post Office (historical) | St. Clair | 702 | Ruby |
| Roberts Landing Post Office (historical) | Roberts Landing Post Office (historical) | St. Clair | 584 | Marine City |
| Tara's Hall Post Office (historical) | Tara's Hall Post Office (historical) | St. Clair | Unknown | |
| Star Island Post Office (historical) | Star Island Post Office (historical) | St. Clair | Unknown | |
| Saint Mary's Post Office (historical) | Saint Mary's Post Office (historical) | St. Clair | Unknown | |
| Rattlerun Post Office (historical) | Rattlerun Post Office (historical) | St. Clair | 633 | Rattle Run |
| Peters Post Office (historical) | Peters Post Office (historical) | St. Clair | 620 | New Baltimore |
| Pearl Beach Post Office | Pearl Beach Post Office | St. Clair | 581 | Marine City |
| Merrillsville Post Office (historical) | Merrillsville Post Office (historical) | St. Clair | 797 | Yale |
| Mount Salem Post Office (historical) | Mount Salem Post Office (historical) | St. Clair | Unknown | |
| Lynn Post Office (historical) | Lynn Post Office (historical) | St. Clair | 797 | Capac |
| Lamb Post Office (historical) | Lamb Post Office (historical) | St. Clair | 728 | Goodells |
| Kenockee Post Office (historical) | Kenockee Post Office (historical) | St. Clair | 735 | Avoca |
| Ira Post Office (historical) | Ira Post Office (historical) | St. Clair | Unknown | |
| Huronia Beach Post Office (historical) | Huronia Beach Post Office (historical) | St. Clair | 591 | Lakeport |
| Harsens Island Post Office | Harsens Island Post Office | St. Clair | 577 | Algonac |
| Hartsuff Post Office (historical) | Hartsuff Post Office (historical) | St. Clair | Unknown | |
| Harmon Post Office (historical) | Harmon Post Office (historical) | St. Clair | Unknown | |
| Greenwood Centre Post Office (historical) | Greenwood Centre Post Office (historical) | St. Clair | Unknown | |
| Grand Pointe Post Office (historical) | Grand Pointe Post Office (historical) | St. Clair | 577 | Algonac |
| Gardendale Post Office (historical) | Gardendale Post Office (historical) | St. Clair | 614 | Lakeport |
| Fort Gratiot Post Office (historical) | Fort Gratiot Post Office (historical) | St. Clair | 584 | Lakeport |
| Fargo Post Office (historical) | Fargo Post Office (historical) | St. Clair | 748 | Avoca |
| Floyd Post Office (historical) | Floyd Post Office (historical) | St. Clair | Unknown | |
| Evergreen Post Office (historical) | Evergreen Post Office (historical) | St. Clair | Unknown | |
| Elliott Post Office (historical) | Elliott Post Office (historical) | St. Clair | Unknown | |
| East Greenwood Post Office (historical) | East Greenwood Post Office (historical) | St. Clair | 745 | Roseburg |
| East Berlin Post Office (historical) | East Berlin Post Office (historical) | St. Clair | Unknown | |
| Doyle Post Office (historical) | Doyle Post Office (historical) | St. Clair | 781 | Memphis |
| Dingham Post Office (historical) | Dingham Post Office (historical) | St. Clair | Unknown | |
| Cottrellville Post Office (historical) | Cottrellville Post Office (historical) | St. Clair | Unknown | |
| Columbus Post Office (historical) | Columbus Post Office (historical) | St. Clair | 676 | Goodells |
| Canova Post Office (historical) | Canova Post Office (historical) | St. Clair | Unknown | |
| Campbellton Post Office (historical) | Campbellton Post Office (historical) | St. Clair | Unknown | |
| Burns Post Office (historical) | Burns Post Office (historical) | St. Clair | 656 | Smiths Creek |
| Blaine Post Office (historical) | Blaine Post Office (historical) | St. Clair | 728 | Ruby |
| Berville Post Office (historical) | Berville Post Office (historical) | St. Clair | 817 | Allenton |
| Belle River Post Office (historical) | Belle River Post Office (historical) | St. Clair | 787 | Allenton |
| Zion Post Office (historical) | Zion Post Office (historical) | St. Clair | 748 | Ruby |
| Atkins Post Office (historical) | Atkins Post Office (historical) | St. Clair | 735 | Ruby |
| Adair Post Office (historical) | Adair Post Office (historical) | St. Clair | 643 | Adair |
| Abbottsford Post Office (historical) | Abbottsford Post Office (historical) | St. Clair | 699 | Avoca |
| Anchorville Post Office | Anchorville Post Office | St. Clair | 584 | New Baltimore |
| West Sebewa Post Office (historical) | West Sebewa Post Office (historical) | Ionia | 863 | Woodbury |
| West Campbell Post Office (historical) | West Campbell Post Office (historical) | Ionia | 863 | Freeport |
| Stony Creek Post Office (historical) | Stony Creek Post Office (historical) | Ionia | Unknown | |
| South Cass Post Office (historical) | South Cass Post Office (historical) | Ionia | 860 | Lake Odessa |
| South Boston Post Office (historical) | South Boston Post Office (historical) | Ionia | 840 | Lowell |
| Woods Corners Post Office (historical) | Woods Corners Post Office (historical) | Ionia | 833 | Shiloh |
| Smyrna Post Office (historical) | Smyrna Post Office (historical) | Ionia | 817 | Smyrna |
| Shiloh Post Office (historical) | Shiloh Post Office (historical) | Ionia | 830 | Shiloh |
| Sebewa Post Office (historical) | Sebewa Post Office (historical) | Ionia | 823 | Portland South |
| Rosina Post Office (historical) | Rosina Post Office (historical) | Ionia | 860 | Woodbury |
| Ronald Centre Post Office (historical) | Ronald Centre Post Office (historical) | Ionia | Unknown | |
| Ronald Post Office (historical) | Ronald Post Office (historical) | Ionia | Unknown | |
| Rix Post Office (historical) | Rix Post Office (historical) | Ionia | Unknown | |
| Palo Post Office (historical) | Palo Post Office (historical) | Ionia | 791 | Palo |
| Otisco Post Office (historical) | Otisco Post Office (historical) | Ionia | 830 | Smyrna |
| North Plains Post Office (historical) | North Plains Post Office (historical) | Ionia | 751 | Palo |
| Nickelplate Post Office (historical) | Nickelplate Post Office (historical) | Ionia | 732 | Shiloh |
| Orange Post Office (historical) | Orange Post Office (historical) | Ionia | 820 | Ionia |
| New Berlin Post Office (historical) | New Berlin Post Office (historical) | Ionia | 843 | Saranac |
| Miriam Post Office (historical) | Miriam Post Office (historical) | Ionia | 860 | Belding |
| Matherton Post Office (historical) | Matherton Post Office (historical) | Ionia | 653 | Hubbardston |
| Maple Post Office (historical) | Maple Post Office (historical) | Ionia | 768 | Portland North |
| Kossuth Post Office (historical) | Kossuth Post Office (historical) | Ionia | 751 | Portland North |
| Johnstown Post Office (historical) | Johnstown Post Office (historical) | Ionia | Unknown | |
| Gridley Post Office (historical) | Gridley Post Office (historical) | Ionia | Unknown | |
| Elmdale Post Office (historical) | Elmdale Post Office (historical) | Ionia | 830 | Freeport |
| Doris Post Office (historical) | Doris Post Office (historical) | Ionia | Unknown | |
| Dildine Post Office (historical) | Dildine Post Office (historical) | Ionia | Unknown | |
| Jeffrey Post Office (historical) | Jeffrey Post Office (historical) | Ionia | 804 | Portland South |
| Danby Post Office (historical) | Danby Post Office (historical) | Ionia | 814 | Portland South |
| Collins Post Office (historical) | Collins Post Office (historical) | Ionia | 771 | Portland North |
| Chandler Post Office (historical) | Chandler Post Office (historical) | Ionia | Unknown | |
| Kiddville Post Office (historical) | Kiddville Post Office (historical) | Ionia | 784 | Belding |
| Chadwick Post Office (historical) | Chadwick Post Office (historical) | Ionia | 850 | Belding |
| Campbell Post Office (historical) | Campbell Post Office (historical) | Ionia | 837 | Lake Odessa |
| Bolster Post Office (historical) | Bolster Post Office (historical) | Ionia | Unknown | |
| Snell Post Office (historical) | Snell Post Office (historical) | Ionia | 810 | Belding |
| Easton Post Office (historical) | Easton Post Office (historical) | Ionia | 807 | Saranac |
| Keene Post Office (historical) | Keene Post Office (historical) | Ionia | 863 | Saranac |
| Avon Post Office (historical) | Avon Post Office (historical) | Ionia | 866 | Lowell |
| Algodon Post Office (historical) | Algodon Post Office (historical) | Ionia | 853 | Lake Odessa |
| Port Huron Post Office | Port Huron Post Office | St. Clair | 600 | Port Huron |
| Yale Post Office | Yale Post Office | St. Clair | 791 | Yale |
| Saint Clair Post Office | Saint Clair Post Office | St. Clair | 587 | St. Clair |
| Smiths Creek Post Office | Smiths Creek Post Office | St. Clair | 636 | Smiths Creek |
| Riley Center Post Office (historical) | Riley Center Post Office (historical) | St. Clair | 771 | Memphis |
| North Street Post Office | North Street Post Office | St. Clair | 643 | Ruby |
| Marysville Post Office | Marysville Post Office | St. Clair | 614 | Port Huron |
| Marine City Post Office | Marine City Post Office | St. Clair | 584 | Marine City OE E |
| Kimball Post Office (historical) | Kimball Post Office (historical) | St. Clair | 636 | Smiths Creek |
| Lakeport Post Office | Lakeport Post Office | St. Clair | 597 | Lakeport |
| Jeddo Post Office | Jeddo Post Office | St. Clair | 718 | Jeddo |
| Goodells Post Office | Goodells Post Office | St. Clair | 705 | Goodells |
| Fair Haven Post Office | Fair Haven Post Office | St. Clair | 577 | New Baltimore |
| Emmett Post Office | Emmett Post Office | St. Clair | 774 | Memphis |
| China Post Office (historical) | China Post Office (historical) | St. Clair | Unknown | |
| Casco Post Office (historical) | Casco Post Office (historical) | St. Clair | 640 | Adair |
| Capac Post Office | Capac Post Office | St. Clair | 817 | Capac |
| Brockway Post Office (historical) | Brockway Post Office (historical) | St. Clair | 771 | Brockway |
| Avoca Post Office | Avoca Post Office | St. Clair | 764 | Avoca |
| Allenton Post Office | Allenton Post Office | St. Clair | 817 | Allenton |
| Algonac Post Office | Algonac Post Office | St. Clair | 581 | Algonac |
| Ionia Post Office | Ionia Post Office | Ionia | 659 | Ionia |
| Portland Post Office | Portland Post Office | Ionia | 718 | Portland South |
| Lake Odessa Post Office | Lake Odessa Post Office | Ionia | 856 | Lake Odessa |
| Saranac Post Office | Saranac Post Office | Ionia | 646 | Saranac |
| Pewamo Post Office | Pewamo Post Office | Ionia | 738 | Hubbardston |
| Orleans Post Office | Orleans Post Office | Ionia | 860 | Belding |
| Muir Post Office | Muir Post Office | Ionia | 646 | Portland North |
| Lyons Post Office | Lyons Post Office | Ionia | 653 | Portland North |
| Clarksville Post Office | Clarksville Post Office | Ionia | 823 | Lake Odessa |
| Hubbardston Post Office | Hubbardston Post Office | Ionia | 673 | Hubbardston |
| Belding Post Office | Belding Post Office | Ionia | 781 | Belding |
| Flint Post Office | Flint Post Office | Genesee | 715 | Flint North |
| Thetford Post Office (historical) | Thetford Post Office (historical) | Genesee | 817 | Clio |
| Sprague Post Office (historical) | Sprague Post Office (historical) | Genesee | Unknown | |
| Rogersville Post Office (historical) | Rogersville Post Office (historical) | Genesee | 755 | Davison |
| Valeria Post Office (historical) | Valeria Post Office (historical) | Genesee | Unknown | |
| Rankin Post Office (historical) | Rankin Post Office (historical) | Genesee | 830 | Swartz Creek |
| Pinerun Post Office (historical) | Pinerun Post Office (historical) | Genesee | 725 | Clio |
| Otterburn Post Office (historical) | Otterburn Post Office (historical) | Genesee | 771 | Swartz Creek |
| Navan Post Office (historical) | Navan Post Office (historical) | Genesee | Unknown | |
| Nashville Post Office (historical) | Nashville Post Office (historical) | Genesee | Unknown | |
| Mundy Post Office (historical) | Mundy Post Office (historical) | Genesee | 879 | Fenton |
| Lewis Post Office (historical) | Lewis Post Office (historical) | Genesee | Unknown | |
| Kipp's Corners Post Office (historical) | Kipp's Corners Post Office (historical) | Genesee | 932 | Hadley |
| Kline Post Office (historical) | Kline Post Office (historical) | Genesee | Unknown | |
| Kearsley Post Office (historical) | Kearsley Post Office (historical) | Genesee | Unknown | |
| Flint River Junction Post Office (historical) | Flint River Junction Post Office (historical) | Genesee | 761 | Flint North |
| Elk Post Office (historical) | Elk Post Office (historical) | Genesee | 659 | Montrose |
| East Thetford Post Office (historical) | East Thetford Post Office (historical) | Genesee | 804 | Otisville |
| Elgin Post Office (historical) | Elgin Post Office (historical) | Genesee | Unknown | |
| Duffield Post Office (historical) | Duffield Post Office (historical) | Genesee | 781 | Durand |
| Covert Post Office (historical) | Covert Post Office (historical) | Genesee | Unknown | |
| Crockersville Post Office (historical) | Crockersville Post Office (historical) | Genesee | Unknown | |
| Clew Post Office (historical) | Clew Post Office (historical) | Genesee | 771 | Otisville |
| Brentcreek Post Office (historical) | Brentcreek Post Office (historical) | Genesee | 686 | New Lothrop |
| Argentine Post Office (historical) | Argentine Post Office (historical) | Genesee | 876 | Linden |
| Burton Post Office (historical) | Burton Post Office (historical) | Genesee | Unknown | |
| Fenton Post Office | Fenton Post Office | Genesee | 896 | Fenton |
| Flushing Post Office | Flushing Post Office | Genesee | 689 | Flushing |
| Le Baron Post Office (historical) | Le Baron Post Office (historical) | Genesee | Unknown | |
| Belsey Post Office (historical) | Belsey Post Office (historical) | Genesee | 781 | Davison |
| Grand Blanc Post Office | Grand Blanc Post Office | Genesee | 840 | Flint South |
| Davison Post Office | Davison Post Office | Genesee | 801 | Davison |
| Mount Morris Post Office | Mount Morris Post Office | Genesee | 781 | Flint North |
| Swartz Creek Post Office | Swartz Creek Post Office | Genesee | 810 | Swartz Creek |
| Otisville Post Office | Otisville Post Office | Genesee | 820 | Otisville |
| Clio Post Office | Clio Post Office | Genesee | 725 | Clio |
| Atlas Post Office | Atlas Post Office | Genesee | 863 | Goodrich |
| Montrose Post Office | Montrose Post Office | Genesee | 673 | Montrose |
| Linden Post Office | Linden Post Office | Genesee | 883 | Linden |
| Goodrich Post Office | Goodrich Post Office | Genesee | 879 | Goodrich |
| Genesee Post Office | Genesee Post Office | Genesee | 748 | Davison |
| Gaines Post Office | Gaines Post Office | Genesee | 860 | Byron |
| Yorkville Post Office (historical) | Yorkville Post Office (historical) | Kalamazoo | 909 | Delton |
| Williams Post Office (historical) | Williams Post Office (historical) | Kalamazoo | 768 | Kalamazoo SW |
| Wakeshma Post Office (historical) | Wakeshma Post Office (historical) | Kalamazoo | 919 | Climax |
| Nazareth Post Office | Nazareth Post Office | Kalamazoo | 866 | Kalamazoo |
| Richland Post Office | Richland Post Office | Kalamazoo | 932 | Delton |
| Texas Post Office (historical) | Texas Post Office (historical) | Kalamazoo | 909 | Schoolcraft NW |
| West Neck Post Office (historical) | West Neck Post Office (historical) | Kalamazoo | Unknown | |
| Springbrook Post Office (historical) | Springbrook Post Office (historical) | Kalamazoo | 912 | Delton |
| South Climax Post Office (historical) | South Climax Post Office (historical) | Kalamazoo | 951 | Climax |
| Rix Post Office (historical) | Rix Post Office (historical) | Kalamazoo | 899 | Lawton |
| Prairie Ronde Post Office (historical) | Prairie Ronde Post Office (historical) | Kalamazoo | Unknown | |
| Pickerel Lake Post Office (historical) | Pickerel Lake Post Office (historical) | Kalamazoo | Unknown | |
| Pavilion Post Office (historical) | Pavilion Post Office (historical) | Kalamazoo | 863 | Adams Park |
| Parchment Post Office (historical) | Parchment Post Office (historical) | Kalamazoo | 787 | Kalamazoo |
| Lincoln Post Office (historical) | Lincoln Post Office (historical) | Kalamazoo | Unknown | |
| Cooper Post Office (historical) | Cooper Post Office (historical) | Kalamazoo | 873 | Kalamazoo NE |
| Austin's Lake Post Office (historical) | Austin's Lake Post Office (historical) | Kalamazoo | 866 | Portage |
| Alamo Post Office (historical) | Alamo Post Office (historical) | Kalamazoo | 781 | Otsego |
| Kalamazoo Post Office | Kalamazoo Post Office | Kalamazoo | 850 | Kalamazoo |
| Portage Post Office | Portage Post Office | Kalamazoo | 902 | Portage |
| Vicksburg Post Office | Vicksburg Post Office | Kalamazoo | 853 | Vicksburg |
| Scotts Post Office | Scotts Post Office | Kalamazoo | 915 | Adams Park |
| Schoolcraft Post Office | Schoolcraft Post Office | Kalamazoo | 879 | Schoolcraft |
| Galesburg Post Office | Galesburg Post Office | Kalamazoo | 791 | Galesburg |
| Oshtemo Post Office | Oshtemo Post Office | Kalamazoo | 965 | Kalamazoo SW |
| Fulton Post Office | Fulton Post Office | Kalamazoo | 902 | Leonidas |
| Comstock Post Office | Comstock Post Office | Kalamazoo | 781 | Kalamazoo |
| Climax Post Office | Climax Post Office | Kalamazoo | 965 | Climax |
| Augusta Post Office | Augusta Post Office | Kalamazoo | 801 | Augusta |
| Albion Post Office | Albion Post Office | Calhoun | 948 | Southwest Albion |
| Battle Creek Post Office | Battle Creek Post Office | Calhoun | 827 | Battle Creek |
| Tekonsha Post Office | Tekonsha Post Office | Calhoun | 942 | Tekonsha |
| Homer Post Office | Homer Post Office | Calhoun | 997 | Southwest Albion |
| East Leroy Post Office | East Leroy Post Office | Calhoun | 925 | East Leroy |
| Ceresco Post Office | Ceresco Post Office | Calhoun | 896 | Ceresco |
| Burlington Post Office | Burlington Post Office | Calhoun | 922 | Burlington |
| Athens Post Office | Athens Post Office | Calhoun | 892 | Union City |
| Wilderville Post Office (historical) | Wilderville Post Office (historical) | Calhoun | 932 | Lyon Lake |
| Wheatfield Post Office (historical) | Wheatfield Post Office (historical) | Calhoun | 902 | Ceresco |
| West Leroy Post Office (historical) | West Leroy Post Office (historical) | Calhoun | 981 | Climax |
| Waterburgh Post Office (historical) | Waterburgh Post Office (historical) | Calhoun | Unknown | |
| Tokio Post Office (historical) | Tokio Post Office (historical) | Calhoun | 961 | Northwest Albion |
| Stanley Post Office (historical) | Stanley Post Office (historical) | Calhoun | 971 | East Leroy |
| South Albion Post Office (historical) | South Albion Post Office (historical) | Calhoun | Unknown | |
| Sonoma Post Office (historical) | Sonoma Post Office (historical) | Calhoun | 951 | East Leroy |
| Ricecreek Post Office (historical) | Ricecreek Post Office (historical) | Calhoun | 981 | Northwest Albion |
| Pinecreek Post Office (historical) | Pinecreek Post Office (historical) | Calhoun | 928 | Climax |
| Penfield Post Office (historical) | Penfield Post Office (historical) | Calhoun | 853 | Ceresco |
| Partello Post Office (historical) | Partello Post Office (historical) | Calhoun | 971 | Duck Lake |
| North Marshall Post Office (historical) | North Marshall Post Office (historical) | Calhoun | Unknown | |
| Ney Post Office (historical) | Ney Post Office (historical) | Calhoun | Unknown | |
| Newton Centre Post Office (historical) | Newton Centre Post Office (historical) | Calhoun | Unknown | |
| Marengo Post Office (historical) | Marengo Post Office (historical) | Calhoun | 928 | Northwest Albion |
| Newton Post Office (historical) | Newton Post Office (historical) | Calhoun | 928 | East Leroy |
| Lyon Lake Post Office (historical) | Lyon Lake Post Office (historical) | Calhoun | 955 | Lyon Lake |
| Lewis Post Office (historical) | Lewis Post Office (historical) | Calhoun | Unknown | |
| Joppa Post Office (historical) | Joppa Post Office (historical) | Calhoun | 932 | East Leroy |
| Johnson Post Office (historical) | Johnson Post Office (historical) | Calhoun | Unknown | |
| Hume Post Office (historical) | Hume Post Office (historical) | Calhoun | Unknown | |
| Groverville Post Office (historical) | Groverville Post Office (historical) | Calhoun | 991 | Southeast Albion |
| Esmond's Corners Post Office (historical) | Esmond's Corners Post Office (historical) | Calhoun | Unknown | |
| Emmett Post Office (historical) | Emmett Post Office (historical) | Calhoun | Unknown | |
| Ellis Post Office (historical) | Ellis Post Office (historical) | Calhoun | 928 | Ellis Corners |
| Eckford Post Office (historical) | Eckford Post Office (historical) | Calhoun | 951 | Southwest Albion |
| Ducklake Post Office (historical) | Ducklake Post Office (historical) | Calhoun | 935 | Duck Lake |
| Crary Post Office (historical) | Crary Post Office (historical) | Calhoun | Unknown | |
| Convis Post Office (historical) | Convis Post Office (historical) | Calhoun | 869 | Bellevue |
| Clarendon Post Office (historical) | Clarendon Post Office (historical) | Calhoun | 971 | Southwest Albion |
| Clarence Post Office (historical) | Clarence Post Office (historical) | Calhoun | 958 | Duck Lake |
| Cedar Lake Post Office (historical) | Cedar Lake Post Office (historical) | Calhoun | 932 | Lyon Lake |
| Carroll Post Office (historical) | Carroll Post Office (historical) | Calhoun | Unknown | |
| Calos Post Office (historical) | Calos Post Office (historical) | Calhoun | Unknown | |
| Bedford Station Post Office (historical) | Bedford Station Post Office (historical) | Calhoun | 846 | Augusta |
| Beadle Post Office (historical) | Beadle Post Office (historical) | Calhoun | 892 | Battle Creek |
| Abscota Post Office (historical) | Abscota Post Office (historical) | Calhoun | 938 | East Leroy |
| Andover Post Office (historical) | Andover Post Office (historical) | Calhoun | Unknown | |
| Bedford Post Office | Bedford Post Office | Calhoun | 879 | Bedford |
| Marshall Post Office | Marshall Post Office | Calhoun | 912 | Marshall |
| Howell Post Office | Howell Post Office | Livingston | 932 | Howell |
| Fowlerville Post Office | Fowlerville Post Office | Livingston | 909 | Fowlerville |
| Hartland Post Office | Hartland Post Office | Livingston | 945 | Hartland |
| Gregory Post Office | Gregory Post Office | Livingston | 935 | Gregory |
| Hamburg Post Office | Hamburg Post Office | Livingston | 909 | Hamburg |
| Brighton Post Office | Brighton Post Office | Livingston | 942 | Brighton |
| Pinckney Post Office | Pinckney Post Office | Livingston | 889 | Pinckney |
| Wrightsville Post Office (historical) | Wrightsville Post Office (historical) | Livingston | Unknown | |
| West Marion Post Office (historical) | West Marion Post Office (historical) | Livingston | Unknown | |
| Warnerville Post Office (historical) | Warnerville Post Office (historical) | Livingston | Unknown | |
| Walker's Mills Post Office (historical) | Walker's Mills Post Office (historical) | Livingston | Unknown | |
| Unadilla Post Office (historical) | Unadilla Post Office (historical) | Livingston | 906 | Gregory |
| Tyrone Post Office (historical) | Tyrone Post Office (historical) | Livingston | 988 | West Highland |
| South Genoa Post Office (historical) | South Genoa Post Office (historical) | Livingston | Unknown | |
| Rushton Post Office (historical) | Rushton Post Office (historical) | Livingston | 896 | South Lyon |
| Ratz Post Office (historical) | Ratz Post Office (historical) | Livingston | Unknown | |
| Pleasant Valley Post Office (historical) | Pleasant Valley Post Office (historical) | Livingston | Unknown | |
| Plainfield Post Office (historical) | Plainfield Post Office (historical) | Livingston | 955 | Gregory |
| Pettysville Post Office (historical) | Pettysville Post Office (historical) | Livingston | 876 | Hamburg |
| Parshallville Post Office (historical) | Parshallville Post Office (historical) | Livingston | 919 | Hartland |
| Oceola Center Post Office (historical) | Oceola Center Post Office (historical) | Livingston | 1010 | Hartland |
| Oak Grove Post Office (historical) | Oak Grove Post Office (historical) | Livingston | 860 | Oak Grove |
| Pingree Post Office (historical) | Pingree Post Office (historical) | Livingston | Unknown | |
| Oak Plains Post Office (historical) | Oak Plains Post Office (historical) | Livingston | Unknown | |
| North Brighton Post Office (historical) | North Brighton Post Office (historical) | Livingston | Unknown | |
| Mont Lake Post Office (historical) | Mont Lake Post Office (historical) | Livingston | Unknown | |
| Madison Post Office (historical) | Madison Post Office (historical) | Livingston | 955 | Hartland |
| Marion Post Office (historical) | Marion Post Office (historical) | Livingston | 961 | Parkers Corners |
| Iosco Post Office (historical) | Iosco Post Office (historical) | Livingston | 955 | Parkers Corners |
| Hollister Post Office (historical) | Hollister Post Office (historical) | Livingston | Unknown | |
| Handy Post Office (historical) | Handy Post Office (historical) | Livingston | Unknown | |
| Hallers Post Office (historical) | Hallers Post Office (historical) | Livingston | 1050 | West Highland |
| Green Oak Post Office (historical) | Green Oak Post Office (historical) | Livingston | 925 | South Lyon |
| Genoa Post Office (historical) | Genoa Post Office (historical) | Livingston | 971 | Brighton |
| Fleming Post Office (historical) | Fleming Post Office (historical) | Livingston | 915 | Fowlerville |
| East Marion Post Office (historical) | East Marion Post Office (historical) | Livingston | Unknown | |
| Deweyville Post Office (historical) | Deweyville Post Office (historical) | Livingston | Unknown | |
| Deercreek Post Office (historical) | Deercreek Post Office (historical) | Livingston | 886 | Byron |
| Conway Post Office (historical) | Conway Post Office (historical) | Livingston | Unknown | |
| Chubbs Corners Post Office (historical) | Chubbs Corners Post Office (historical) | Livingston | Unknown | |
| Chilson Post Office (historical) | Chilson Post Office (historical) | Livingston | 932 | Brighton |
| Bullis Post Office (historical) | Bullis Post Office (historical) | Livingston | 912 | Gregory |
| Anderson Post Office (historical) | Anderson Post Office (historical) | Livingston | 912 | Gregory |
| Backus Post Office (historical) | Backus Post Office (historical) | Livingston | Unknown | |
| Tompkins Post Office (historical) | Tompkins Post Office (historical) | Jackson | 912 | Parma |
| Wyoming Post Office (historical) | Wyoming Post Office (historical) | Jackson | Unknown | |
| Stonypoint Post Office (historical) | Stonypoint Post Office (historical) | Jackson | 1115 | Hanover |
| South Jackson Post Office (historical) | South Jackson Post Office (historical) | Jackson | 984 | Jackson South |
| South Henrietta Post Office (historical) | South Henrietta Post Office (historical) | Jackson | Unknown | |
| Smithfield Post Office (historical) | Smithfield Post Office (historical) | Jackson | 1010 | Northeast Albion |
| Sandstone Post Office (historical) | Sandstone Post Office (historical) | Jackson | 971 | Parma |
| Roots Post Office (historical) | Roots Post Office (historical) | Jackson | 935 | Gilletts Lake |
| Pulaski Post Office (historical) | Pulaski Post Office (historical) | Jackson | 1089 | Mosherville |
| Puddleford Post Office (historical) | Puddleford Post Office (historical) | Jackson | 919 | Jackson North |
| Portage Fork Post Office (historical) | Portage Fork Post Office (historical) | Jackson | Unknown | |
| Ottercreek Post Office (historical) | Ottercreek Post Office (historical) | Jackson | 942 | Onondaga |
| Morrison Post Office (historical) | Morrison Post Office (historical) | Jackson | Unknown | |
| Minard Post Office (historical) | Minard Post Office (historical) | Jackson | 938 | Parma |
| Liberty Post Office (historical) | Liberty Post Office (historical) | Jackson | 1007 | Somerset Center |
| Leoni Post Office (historical) | Leoni Post Office (historical) | Jackson | 984 | Michigan Center |
| Johnson Post Office (historical) | Johnson Post Office (historical) | Jackson | 1030 | Cement City |
| Hickory Grove Post Office (historical) | Hickory Grove Post Office (historical) | Jackson | Unknown | |
| Eldred Post Office (historical) | Eldred Post Office (historical) | Jackson | 981 | Michigan Center |
| East Springport Post Office (historical) | East Springport Post Office (historical) | Jackson | Unknown | |
| Devereaux Post Office (historical) | Devereaux Post Office (historical) | Jackson | 994 | Northeast Albion |
| Cayuga Post Office (historical) | Cayuga Post Office (historical) | Jackson | Unknown | |
| Bennett's Corners Post Office (historical) | Bennett's Corners Post Office (historical) | Jackson | Unknown | |
| Henrietta Post Office (historical) | Henrietta Post Office (historical) | Jackson | 958 | Pleasant Lake |
| Francisco Post Office (historical) | Francisco Post Office (historical) | Jackson | 1027 | Grass Lake |
| Farm Post Office (historical) | Farm Post Office (historical) | Jackson | Unknown | |
| Cedarbank Post Office (historical) | Cedarbank Post Office (historical) | Jackson | Unknown | |
| Jackson Post Office | Jackson Post Office | Jackson | 938 | Jackson South |
| Springport Post Office | Springport Post Office | Jackson | 1001 | Springport |
| Spring Arbor Post Office | Spring Arbor Post Office | Jackson | 1001 | Spring Arbor |
| Rives Junction Post Office | Rives Junction Post Office | Jackson | 965 | Leslie |
| Pleasant Lake Post Office | Pleasant Lake Post Office | Jackson | 942 | Pleasant Lake |
| Parma Post Office | Parma Post Office | Jackson | 997 | Parma |
| Norvell Post Office | Norvell Post Office | Jackson | 951 | Norvell |
| Napoleon Post Office | Napoleon Post Office | Jackson | 961 | Norvell |
| Munith Post Office | Munith Post Office | Jackson | 928 | Pleasant Lake |
| Michigan Center Post Office | Michigan Center Post Office | Jackson | 945 | Michigan Center |
| Horton Post Office | Horton Post Office | Jackson | 1030 | Spring Arbor |
| Hanover Post Office | Hanover Post Office | Jackson | 1119 | Hanover |
| Grass Lake Post Office | Grass Lake Post Office | Jackson | 994 | Grass Lake |
| Concord Post Office | Concord Post Office | Jackson | 1014 | Southeast Albion |
| Clarklake Post Office | Clarklake Post Office | Jackson | 978 | Cement City |
| Brooklyn Post Office | Brooklyn Post Office | Jackson | 965 | Onsted |
| Snyder Post Office (historical) | Snyder Post Office (historical) | Jackson | 978 | Spring Arbor |
| Withington Post Office (historical) | Withington Post Office (historical) | Jackson | Unknown | |
| Wilbur Post Office (historical) | Wilbur Post Office (historical) | Jackson | Unknown | |
| Waterloo Post Office (historical) | Waterloo Post Office (historical) | Jackson | 958 | Grass Lake |
| Trist Post Office (historical) | Trist Post Office (historical) | Jackson | 928 | Grass Lake |
| Arland Post Office (historical) | Arland Post Office (historical) | Jackson | 922 | Onondaga |
| Ackerson Post Office (historical) | Ackerson Post Office (historical) | Jackson | 978 | Michigan Center |
| East Lansing Post Office | East Lansing Post Office | Ingham | 856 | East Lansing |
| Winfield Post Office (historical) | Winfield Post Office (historical) | Ingham | 902 | Onondaga |
| Whiteoak Post Office (historical) | Whiteoak Post Office (historical) | Ingham | 968 | Millville |
| Wheatfield Post Office (historical) | Wheatfield Post Office (historical) | Ingham | Unknown | |
| Vevay Post Office (historical) | Vevay Post Office (historical) | Ingham | Unknown | |
| Westholt Post Office (historical) | Westholt Post Office (historical) | Ingham | Unknown | |
| Vantown Post Office (historical) | Vantown Post Office (historical) | Ingham | 928 | Millville |
| Pollok Post Office (historical) | Pollok Post Office (historical) | Ingham | 928 | Dansville |
| Phelpstown Post Office (historical) | Phelpstown Post Office (historical) | Ingham | 889 | Webberville |
| Peal Shantee Post Office (historical) | Peal Shantee Post Office (historical) | Ingham | Unknown | |
| North Leslie Post Office (historical) | North Leslie Post Office (historical) | Ingham | 1014 | Leslie |
| Norton Post Office (historical) | Norton Post Office (historical) | Ingham | Unknown | |
| North Aurelius Post Office (historical) | North Aurelius Post Office (historical) | Ingham | 919 | Aurelius |
| Meridian Post Office (historical) | Meridian Post Office (historical) | Ingham | 896 | Williamston |
| Locke Post Office (historical) | Locke Post Office (historical) | Ingham | 919 | Webberville |
| Middletown Post Office (historical) | Middletown Post Office (historical) | Ingham | 925 | Millville |
| Harris Post Office (historical) | Harris Post Office (historical) | Ingham | 906 | Millville |
| Klink Post Office (historical) | Klink Post Office (historical) | Ingham | Unknown | |
| Gifford Post Office (historical) | Gifford Post Office (historical) | Ingham | Unknown | |
| Fitchburg Post Office (historical) | Fitchburg Post Office (historical) | Ingham | 945 | Pleasant Lake |
| Felt's Post Office (historical) | Felt's Post Office (historical) | Ingham | 978 | Pleasant Lake |
| Eden Post Office (historical) | Eden Post Office (historical) | Ingham | 968 | Mason |
| Bunkerhill Post Office (historical) | Bunkerhill Post Office (historical) | Ingham | 945 | Pleasant Lake |
| Aurelius Post Office (historical) | Aurelius Post Office (historical) | Ingham | 974 | Aurelius |
| Alverson Post Office (historical) | Alverson Post Office (historical) | Ingham | 899 | Shaftsburg |
| Alaiedon Post Office (historical) | Alaiedon Post Office (historical) | Ingham | Unknown | |
| Haslett Post Office | Haslett Post Office | Ingham | 860 | East Lansing |
| Dansville Post Office | Dansville Post Office | Ingham | 971 | Dansville |
| Holt Post Office | Holt Post Office | Ingham | 892 | Lansing South |
| Onondaga Post Office | Onondaga Post Office | Ingham | 902 | Onondaga |
| Okemos Post Office | Okemos Post Office | Ingham | 856 | East Lansing |
| Lansing Post Office | Lansing Post Office | Ingham | 860 | Lansing South |
| Williamston Post Office | Williamston Post Office | Ingham | 873 | Williamston |
| Webberville Post Office | Webberville Post Office | Ingham | 889 | Webberville |
| Stockbridge Post Office | Stockbridge Post Office | Ingham | 938 | Stockbridge |
| Mason Post Office | Mason Post Office | Ingham | 912 | Mason |
| Leslie Post Office | Leslie Post Office | Ingham | 938 | Leslie |
| Bridgewater Post Office | Bridgewater Post Office | Washtenaw | 909 | Bridgewater |
| York Post Office (historical) | York Post Office (historical) | Washtenaw | 722 | Milan |
| Worden Post Office (historical) | Worden Post Office (historical) | Washtenaw | 968 | South Lyon |
| Woodruff's Grove Post Office (historical) | Woodruff's Grove Post Office (historical) | Washtenaw | Unknown | |
| Weinsburg Post Office (historical) | Weinsburg Post Office (historical) | Washtenaw | 906 | Bridgewater |
| Walsh Post Office (historical) | Walsh Post Office (historical) | Washtenaw | 942 | Hamburg |
| Webster Post Office (historical) | Webster Post Office (historical) | Washtenaw | 906 | Hamburg |
| Sylvan Post Office (historical) | Sylvan Post Office (historical) | Washtenaw | 951 | Chelsea |
| Union District Post Office (historical) | Union District Post Office (historical) | Washtenaw | Unknown | |
| Superior Post Office (historical) | Superior Post Office (historical) | Washtenaw | 741 | Ann Arbor East |
| Urania Post Office (historical) | Urania Post Office (historical) | Washtenaw | 827 | Ypsilanti West |
| Stony Creek Post Office (historical) | Stony Creek Post Office (historical) | Washtenaw | 748 | Ypsilanti West |
| Sterling Post Office (historical) | Sterling Post Office (historical) | Washtenaw | Unknown | |
| Spike Post Office (historical) | Spike Post Office (historical) | Washtenaw | Unknown | |
| Silver Lake Post Office (historical) | Silver Lake Post Office (historical) | Washtenaw | Unknown | |
| Sharon Plain Post Office (historical) | Sharon Plain Post Office (historical) | Washtenaw | Unknown | |
| Sharonville Post Office (historical) | Sharonville Post Office (historical) | Washtenaw | Unknown | |
| Sharon Post Office (historical) | Sharon Post Office (historical) | Washtenaw | 922 | Manchester |
| Scio Post Office (historical) | Scio Post Office (historical) | Washtenaw | 873 | Ann Arbor West |
| Salem Post Office (historical) | Salem Post Office (historical) | Washtenaw | 886 | Salem |
| River Raisin Post Office (historical) | River Raisin Post Office (historical) | Washtenaw | 866 | Tecumseh North |
| Pittsfield Post Office (historical) | Pittsfield Post Office (historical) | Washtenaw | 833 | Ypsilanti West |
| Pitt Post Office (historical) | Pitt Post Office (historical) | Washtenaw | Unknown | |
| Pierceville Post Office (historical) | Pierceville Post Office (historical) | Washtenaw | Unknown | |
| North Lake Post Office (historical) | North Lake Post Office (historical) | Washtenaw | 925 | South Lyon |
| Nora Post Office (historical) | Nora Post Office (historical) | Washtenaw | 732 | Milan |
| Nelsonville Post Office (historical) | Nelsonville Post Office (historical) | Washtenaw | 659 | Maybee |
| Mallett's Creek Post Office (historical) | Mallett's Creek Post Office (historical) | Washtenaw | Unknown | |
| Lucerne Post Office (historical) | Lucerne Post Office (historical) | Washtenaw | Unknown | |
| Lodi Post Office (historical) | Lodi Post Office (historical) | Washtenaw | Unknown | |
| Lime Post Office (historical) | Lime Post Office (historical) | Washtenaw | 889 | Dexter |
| Kavanaugh Lake Post Office (historical) | Kavanaugh Lake Post Office (historical) | Washtenaw | 945 | Chelsea |
| Iron Creek Post Office (historical) | Iron Creek Post Office (historical) | Washtenaw | Unknown | |
| Gravel Run Post Office (historical) | Gravel Run Post Office (historical) | Washtenaw | 922 | South Lyon |
| Geddes Post Office (historical) | Geddes Post Office (historical) | Washtenaw | 814 | Ann Arbor East |
| Harrison Post Office (historical) | Harrison Post Office (historical) | Washtenaw | Unknown | |
| Geer Post Office (historical) | Geer Post Office (historical) | Washtenaw | Unknown | |
| Fuller's Post Office (historical) | Fuller's Post Office (historical) | Washtenaw | Unknown | |
| Freedom Post Office (historical) | Freedom Post Office (historical) | Washtenaw | Unknown | |
| Fredonia Post Office (historical) | Fredonia Post Office (historical) | Washtenaw | 971 | Bridgewater |
| Emery Post Office (historical) | Emery Post Office (historical) | Washtenaw | 984 | Ann Arbor East |
| Elba Post Office (historical) | Elba Post Office (historical) | Washtenaw | Unknown | |
| Eckert Post Office (historical) | Eckert Post Office (historical) | Washtenaw | Unknown | |
| Eaton Mills Post Office (historical) | Eaton Mills Post Office (historical) | Washtenaw | Unknown | |
| Dixboro Post Office (historical) | Dixboro Post Office (historical) | Washtenaw | 817 | Ann Arbor East |
| Delhi Mills Post Office (historical) | Delhi Mills Post Office (historical) | Washtenaw | 827 | Ann Arbor West |
| Birkett Post Office (historical) | Birkett Post Office (historical) | Washtenaw | 883 | Pinckney |
| Benton Post Office (historical) | Benton Post Office (historical) | Washtenaw | 840 | Saline |
| Whitmore Lake Post Office | Whitmore Lake Post Office | Washtenaw | 909 | Hamburg |
| Ann Arbor Post Office-Liberty Station | Ann Arbor Post Office-Liberty Station | Washtenaw | 853 | Ann Arbor East |
| Milan Post Office | Milan Post Office | Washtenaw | 702 | Milan |
| Ypsilanti Post Office | Ypsilanti Post Office | Washtenaw | 735 | Ypsilanti East |
| Willis Post Office | Willis Post Office | Washtenaw | 686 | Ypsilanti East |
| Richmond Post Office | Richmond Post Office | Macomb | 725 | Adair |
| Ray Center Post Office (historical) | Ray Center Post Office (historical) | Macomb | 643 | Armada |
| Armada Post Office | Armada Post Office | Macomb | 751 | Armada |
| Waldenburg Post Office (historical) | Waldenburg Post Office (historical) | Macomb | 604 | Waldenburg |
| Shelby Post Office (historical) | Shelby Post Office (historical) | Macomb | Unknown | |
| Scottsville Post Office (historical) | Scottsville Post Office (historical) | Macomb | Unknown | |
| Salem Post Office (historical) | Salem Post Office (historical) | Macomb | Unknown | |
| Red Run Post Office (historical) | Red Run Post Office (historical) | Macomb | 607 | Mount Clemens West |
| Sacket's Post Office (historical) | Sacket's Post Office (historical) | Macomb | Unknown | |
| Ray Post Office (historical) | Ray Post Office (historical) | Macomb | Unknown | |
| Quinn Post Office (historical) | Quinn Post Office (historical) | Macomb | 610 | Mount Clemens West |
| Plumb Brook Post Office (historical) | Plumb Brook Post Office (historical) | Macomb | Unknown | |
| Omo Post Office (historical) | Omo Post Office (historical) | Macomb | 633 | New Haven |
| Mount Vernon Post Office (historical) | Mount Vernon Post Office (historical) | Macomb | 833 | Utica |
| Milton Post Office (historical) | Milton Post Office (historical) | Macomb | 607 | New Haven |
| Mere Post Office (historical) | Mere Post Office (historical) | Macomb | Unknown | |
| Meade Post Office (historical) | Meade Post Office (historical) | Macomb | 633 | New Haven |
| Macomb Post Office (historical) | Macomb Post Office (historical) | Macomb | 617 | Waldenburg |
| Lakeshore Post Office (historical) | Lakeshore Post Office (historical) | Macomb | 577 | Mount Clemens East |
| Justus Post Office (historical) | Justus Post Office (historical) | Macomb | 607 | Warren |
| Hosner Post Office (historical) | Hosner Post Office (historical) | Macomb | 994 | Romeo |
| Heart Post Office (historical) | Heart Post Office (historical) | Macomb | Unknown | |
| Erin Post Office (historical) | Erin Post Office (historical) | Macomb | Unknown | |
| Fillmore Post Office (historical) | Fillmore Post Office (historical) | Macomb | Unknown | |
| East Union Post Office (historical) | East Union Post Office (historical) | Macomb | Unknown | |
| Disco Post Office (historical) | Disco Post Office (historical) | Macomb | 682 | Utica |
| Davis Post Office (historical) | Davis Post Office (historical) | Macomb | 653 | Waldenburg |
| Chesterfield Post Office (historical) | Chesterfield Post Office (historical) | Macomb | 607 | New Haven |
| Campau Post Office (historical) | Campau Post Office (historical) | Macomb | Unknown | |
| Carrollton Post Office (historical) | Carrollton Post Office (historical) | Macomb | Unknown | |
| Cady Post Office (historical) | Cady Post Office (historical) | Macomb | 614 | Mount Clemens West |
| Bruce Post Office (historical) | Bruce Post Office (historical) | Macomb | Unknown | |
| Base Line Post Office (historical) | Base Line Post Office (historical) | Macomb | 620 | Highland Park |
| Aaronville Post Office (historical) | Aaronville Post Office (historical) | Macomb | Unknown | |
| Romeo Post Office | Romeo Post Office | Macomb | 810 | Romeo |
| New Haven Post Office | New Haven Post Office | Macomb | 630 | New Haven |
| New Baltimore Post Office | New Baltimore Post Office | Macomb | 587 | New Haven |
| Washington Post Office | Washington Post Office | Macomb | 705 | Utica |
| Warren Post Office | Warren Post Office | Macomb | 620 | Warren |
| Memphis Post Office | Memphis Post Office | Macomb | 758 | Memphis |
| Roseville Post Office | Roseville Post Office | Macomb | 614 | Mount Clemens West |
| Mount Clemens Post Office | Mount Clemens Post Office | Macomb | 604 | Mount Clemens West |
| Fraser Post Office | Fraser Post Office | Macomb | 617 | Mount Clemens West |
| Center Line Post Office | Center Line Post Office | Macomb | 623 | Highland Park |
| Utica Post Office (historical) | Utica Post Office (historical) | Macomb | 643 | Utica |
| Saint Clair Shores Post Office | Saint Clair Shores Post Office | Macomb | 584 | Grosse Pointe |
| Saline Post Office | Saline Post Office | Washtenaw | 814 | Saline |
| Whittaker Post Office | Whittaker Post Office | Washtenaw | 676 | Ypsilanti East |
| Salem Post Office (historical) | Salem Post Office (historical) | Washtenaw | 935 | Salem |
| Manchester Post Office | Manchester Post Office | Washtenaw | 912 | Manchester |
| Dexter Post Office | Dexter Post Office | Washtenaw | 869 | Dexter |
| Chelsea Post Office | Chelsea Post Office | Washtenaw | 928 | Chelsea |
| White Lake Post Office (historical) | White Lake Post Office (historical) | Oakland | 1037 | Highland |
| West Novi Post Office (historical) | West Novi Post Office (historical) | Oakland | 968 | Salem |
| West Highland Post Office (historical) | West Highland Post Office (historical) | Oakland | 1014 | West Highland |
| West Farmington Post Office (historical) | West Farmington Post Office (historical) | Oakland | 869 | Northville |
| Orchard Lake Post Office (historical) | Orchard Lake Post Office (historical) | Oakland | 958 | Pontiac South |
| West Bloomfield Post Office (historical) | West Bloomfield Post Office (historical) | Oakland | Unknown | |
| Walnut Post Office (historical) | Walnut Post Office (historical) | Oakland | 886 | Pontiac South |
| Thomas Post Office (historical) | Thomas Post Office (historical) | Oakland | 1086 | Metamora |
| Thayer Post Office (historical) | Thayer Post Office (historical) | Oakland | 932 | Davisburg |
| Sylvan Lake Post Office (historical) | Sylvan Lake Post Office (historical) | Oakland | 958 | Pontiac South |
| Stony Run Post Office (historical) | Stony Run Post Office (historical) | Oakland | 968 | Davisburg |
| Stony Creek Post Office (historical) | Stony Creek Post Office (historical) | Oakland | 758 | Utica |
| Springfield Post Office (historical) | Springfield Post Office (historical) | Oakland | 1027 | Clarkston |
| Shoup Post Office (historical) | Shoup Post Office (historical) | Oakland | 1024 | Lake Orion |
| Seymour Lake Post Office (historical) | Seymour Lake Post Office (historical) | Oakland | 1047 | Ortonville |
| Royal Oak Post Office (historical) | Royal Oak Post Office (historical) | Oakland | 663 | Royal Oak |
| Rose Center Post Office (historical) | Rose Center Post Office (historical) | Oakland | 971 | Highland |
| Pine Lake Post Office (historical) | Pine Lake Post Office (historical) | Oakland | Unknown | |
| Peeble Run Post Office (historical) | Peeble Run Post Office (historical) | Oakland | Unknown | |
| Oxbow Post Office (historical) | Oxbow Post Office (historical) | Oakland | 945 | Clarkston |
| Oakwood Post Office (historical) | Oakwood Post Office (historical) | Oakland | 1099 | Oxford |
| Oak Hill Post Office (historical) | Oak Hill Post Office (historical) | Oakland | 1142 | Ortonville |
| North Oxford Post Office (historical) | North Oxford Post Office (historical) | Oakland | Unknown | |
| North Farmington Post Office (historical) | North Farmington Post Office (historical) | Oakland | 925 | Walled Lake |
| Newark Post Office (historical) | Newark Post Office (historical) | Oakland | 928 | Fenton |
| Myrtle Post Office (historical) | Myrtle Post Office (historical) | Oakland | 965 | Walled Lake |
| Mount Pleasant Post Office (historical) | Mount Pleasant Post Office (historical) | Oakland | Unknown | |
| Mayville Post Office (historical) | Mayville Post Office (historical) | Oakland | Unknown | |
| Mahopac Post Office (historical) | Mahopac Post Office (historical) | Oakland | 991 | Pontiac North |
| Kensington Post Office (historical) | Kensington Post Office (historical) | Oakland | 909 | Kent Lake |
| Jersey Post Office (historical) | Jersey Post Office (historical) | Oakland | 1020 | Oxford |
| Franklin Post Office (historical) | Franklin Post Office (historical) | Oakland | 774 | Pontiac South |
| Hollister Post Office (historical) | Hollister Post Office (historical) | Oakland | 961 | Clarkston |
| Goodison Post Office (historical) | Goodison Post Office (historical) | Oakland | 840 | Rochester |
| Gilbert Post Office (historical) | Gilbert Post Office (historical) | Oakland | Unknown | |
| Harmon Post Office (historical) | Harmon Post Office (historical) | Oakland | Unknown | |
| Four Towns Post Office (historical) | Four Towns Post Office (historical) | Oakland | 951 | Walled Lake |
| East White Lake Post Office (historical) | East White Lake Post Office (historical) | Oakland | Unknown | |
| East Farmington Post Office (historical) | East Farmington Post Office (historical) | Oakland | Unknown | |
| Eagle Lake Post Office (historical) | Eagle Lake Post Office (historical) | Oakland | Unknown | |
| Commerce Post Office (historical) | Commerce Post Office (historical) | Oakland | 945 | Walled Lake |
| Colerain Post Office (historical) | Colerain Post Office (historical) | Oakland | 656 | Warren |
| Eames Post Office (historical) | Eames Post Office (historical) | Oakland | 997 | Pontiac North |
| Cole Post Office (historical) | Cole Post Office (historical) | Oakland | 1014 | Oxford |
| Clyde Post Office (historical) | Clyde Post Office (historical) | Oakland | 1030 | Highland |
| Clintonville Post Office (historical) | Clintonville Post Office (historical) | Oakland | 968 | Pontiac North |
| Clarenceville Post Office (historical) | Clarenceville Post Office (historical) | Oakland | 663 | Redford |
| Brandon Post Office (historical) | Brandon Post Office (historical) | Oakland | 1089 | Oxford |
| Big Beaver Post Office (historical) | Big Beaver Post Office (historical) | Oakland | 656 | Warren |
| Beddow Post Office (historical) | Beddow Post Office (historical) | Oakland | 653 | Redford |
| Ball Mountain Post Office (historical) | Ball Mountain Post Office (historical) | Oakland | Unknown | |
| Avon Post Office (historical) | Avon Post Office (historical) | Oakland | Unknown | |
| Austin Post Office (historical) | Austin Post Office (historical) | Oakland | 1102 | Davisburg |
| Auburn Heights Post Office (historical) | Auburn Heights Post Office (historical) | Oakland | 873 | Rochester |
| Andersonville Post Office (historical) | Andersonville Post Office (historical) | Oakland | 1020 | Clarkston |
| Alert Post Office (historical) | Alert Post Office (historical) | Oakland | 942 | Lake Orion |
| Leonard Post Office | Leonard Post Office | Oakland | 1004 | Lake Orion |
| Lakeville Post Office | Lakeville Post Office | Oakland | 984 | Lake Orion |
| Highland Post Office | Highland Post Office | Oakland | 1004 | Highland |
| Davisburg Post Office | Davisburg Post Office | Oakland | 1043 | Highland |
| Waterford Post Office | Waterford Post Office | Oakland | 981 | Clarkston |
| Clarkston Post Office | Clarkston Post Office | Oakland | 991 | Clarkston |
| Troy Post Office | Troy Post Office | Oakland | 676 | Birmingham |
| Clawson Post Office | Clawson Post Office | Oakland | 666 | Birmingham |
| Southfield Post Office | Southfield Post Office | Oakland | 699 | Redford |
| Rochester Post Office | Rochester Post Office | Oakland | 741 | Rochester |
| South Lyon Post Office | South Lyon Post Office | Oakland | 922 | South Lyon |
| Wixom Post Office | Wixom Post Office | Oakland | 948 | Milford |
| New Hudson Post Office | New Hudson Post Office | Oakland | 932 | Milford |
| Milford Post Office | Milford Post Office | Oakland | 932 | Milford |
| Walled Lake Post Office | Walled Lake Post Office | Oakland | 935 | Walled Lake |
| Pontiac Post Office | Pontiac Post Office | Oakland | 948 | Pontiac North |
| Lathrup Village Post Office (historical) | Lathrup Village Post Office (historical) | Oakland | 702 | Royal Oak |
| Oxford Post Office | Oxford Post Office | Oakland | 1050 | Oxford |
| Ortonville Post Office | Ortonville Post Office | Oakland | 935 | Ortonville |
| Novi Post Office | Novi Post Office | Oakland | 902 | Northville |
| Lake Orion Post Office | Lake Orion Post Office | Oakland | 1017 | Lake Orion |
| Birmingham Post OFfice | Birmingham Post OFfice | Oakland | 751 | Birmingham |
| Bloomfield Hills Post Office | Bloomfield Hills Post Office | Oakland | 850 | Birmingham |
| Holly Post Office | Holly Post Office | Oakland | 925 | Fenton |
| Highland Post Office (historical) | Highland Post Office (historical) | Wayne | 640 | Highland Park |
| Taylor Post Office | Taylor Post Office | Wayne | 617 | Flat Rock NE |
| Trenton Post Office | Trenton Post Office | Wayne | 594 | Wyandotte |
| Yew Post Office (historical) | Yew Post Office (historical) | Wayne | Unknown | |
| Woodmere Post Office (historical) | Woodmere Post Office (historical) | Wayne | 587 | Dearborn |
| Willow Post Office (historical) | Willow Post Office (historical) | Wayne | 627 | Carleton |
| Willow Post Office (historical) | Willow Post Office (historical) | Wayne | 627 | Carleton |
| West Sumpter Post Office (historical) | West Sumpter Post Office (historical) | Wayne | 673 | Maybee |
| Westend Post Office (historical) | Westend Post Office (historical) | Wayne | Unknown | |
| West Detroit Post Office (historical) | West Detroit Post Office (historical) | Wayne | 594 | Detroit |
| Waltz Post Office (historical) | Waltz Post Office (historical) | Wayne | 620 | Carleton |
| Wallaceville Post Office (historical) | Wallaceville Post Office (historical) | Wayne | 617 | Inkster |
| Tonquish Post Office (historical) | Tonquish Post Office (historical) | Wayne | 659 | Wayne |
| Taylor Center Post Office (historical) | Taylor Center Post Office (historical) | Wayne | 614 | Flat Rock NE |
| Swift Post Office (historical) | Swift Post Office (historical) | Wayne | Unknown | |
| Strathmoor Post Office (historical) | Strathmoor Post Office (historical) | Wayne | Unknown | |
| Stark Post Office (historical) | Stark Post Office (historical) | Wayne | 650 | Redford |
| Sibley Post Office (historical) | Sibley Post Office (historical) | Wayne | 600 | Wyandotte |
| Sherwell Post Office (historical) | Sherwell Post Office (historical) | Wayne | Unknown | |
| Springwells Post Office (historical) | Springwells Post Office (historical) | Wayne | Unknown | |
| Saint Clair Heights Post Office (historical) | Saint Clair Heights Post Office (historical) | Wayne | 584 | Belle Isle |
| Saint Anthony Post Office (historical) | Saint Anthony Post Office (historical) | Wayne | Unknown | |
| Rawsonville Post Office (historical) | Rawsonville Post Office (historical) | Wayne | 705 | Ypsilanti East |
| Preston Post Office (historical) | Preston Post Office (historical) | Wayne | 627 | Flat Rock NE |
| Gibraltar Post Office (historical) | Gibraltar Post Office (historical) | Wayne | 574 | Rockwood |
| Pikes Peak Post Office (historical) | Pikes Peak Post Office (historical) | Wayne | Unknown | |
| Paye Post Office (historical) | Paye Post Office (historical) | Wayne | Unknown | |
| Redford Post Office (historical) | Redford Post Office (historical) | Wayne | 623 | Redford |
| Oakwood Post Office (historical) | Oakwood Post Office (historical) | Wayne | Unknown | |
| Oak Post Office (historical) | Oak Post Office (historical) | Wayne | 620 | Royal Oak |
| North Detroit Post Office (historical) | North Detroit Post Office (historical) | Wayne | 623 | Highland Park |
| Oakwood Park Post Office (historical) | Oakwood Park Post Office (historical) | Wayne | Unknown | |
| Newberry Post Office (historical) | Newberry Post Office (historical) | Wayne | Unknown | |
| Nankin Post Office (historical) | Nankin Post Office (historical) | Wayne | 676 | Wayne |
| Mead's Mills Post Office (historical) | Mead's Mills Post Office (historical) | Wayne | 745 | Northville |
| Martinsville Post Office (historical) | Martinsville Post Office (historical) | Wayne | 650 | Belleville |
| Livonia Centre Post Office (historical) | Livonia Centre Post Office (historical) | Wayne | Unknown | |
| Maybury Post Office (historical) | Maybury Post Office (historical) | Wayne | Unknown | |
| Leesville Post Office (historical) | Leesville Post Office (historical) | Wayne | 623 | Detroit |
| Howlett Post Office (historical) | Howlett Post Office (historical) | Wayne | Unknown | |
| Huron Post Office (historical) | Huron Post Office (historical) | Wayne | Unknown | |
| Hand Station Post Office (historical) | Hand Station Post Office (historical) | Wayne | 614 | Inkster |
| Grosse Pointe Farms Post Office (historical) | Grosse Pointe Farms Post Office (historical) | Wayne | 587 | Grosse Pointe |
| Greenfield Post Office (historical) | Greenfield Post Office (historical) | Wayne | 630 | Dearborn |
| Giltedge Post Office (historical) | Giltedge Post Office (historical) | Wayne | Unknown | |
| Frenchlanding Post Office (historical) | Frenchlanding Post Office (historical) | Wayne | 656 | Belleville |
| Eloise Post Office (historical) | Eloise Post Office (historical) | Wayne | 640 | Inkster |
| Elm Post Office (historical) | Elm Post Office (historical) | Wayne | 633 | Redford |
| Ecorse Post Office (historical) | Ecorse Post Office (historical) | Wayne | 584 | Wyandotte |
| Denton Post Office (historical) | Denton Post Office (historical) | Wayne | 705 | Denton |
| East Nankin Post Office (historical) | East Nankin Post Office (historical) | Wayne | Unknown | |
| Delray Post Office (historical) | Delray Post Office (historical) | Wayne | 591 | Detroit |
| Conners Creek Post Office (historical) | Conners Creek Post Office (historical) | Wayne | 617 | Grosse Pointe |
| Cottage Grove Post Office (historical) | Cottage Grove Post Office (historical) | Wayne | 577 | Grosse Pointe |
| Claireview Post Office (historical) | Claireview Post Office (historical) | Wayne | 581 | Grosse Pointe |
| Cherryhill Post Office (historical) | Cherryhill Post Office (historical) | Wayne | 732 | Denton |
| Centreport Post Office (historical) | Centreport Post Office (historical) | Wayne | Unknown | |
| Chelsea Post Office (historical) | Chelsea Post Office (historical) | Wayne | Unknown | |
| Canton Post Office (historical) | Canton Post Office (historical) | Wayne | 682 | Wayne |
| Borodino Post Office (historical) | Borodino Post Office (historical) | Wayne | Unknown | |
| Bell Branch Post Office (historical) | Bell Branch Post Office (historical) | Wayne | 627 | Redford |
| Bacon Post Office (historical) | Bacon Post Office (historical) | Wayne | Unknown | |
| Northville Post Office | Northville Post Office | Wayne | 820 | Northville |
| New Boston Post Office | New Boston Post Office | Wayne | 636 | Belleville |
| Livonia Post Office | Livonia Post Office | Wayne | 643 | Inkster |
| Lincoln Park Post Office | Lincoln Park Post Office | Wayne | 587 | Dearborn |
| Flat Rock Post Office | Flat Rock Post Office | Wayne | 597 | Flat Rock |
| Garden City Post Office | Garden City Post Office | Wayne | 643 | Inkster |
| Detroit Post Office | Detroit Post Office | Wayne | 594 | Detroit |
| Wyandotte Post Office | Wyandotte Post Office | Wayne | 581 | Wyandotte |
| Wayne Post Office | Wayne Post Office | Wayne | 656 | Wayne |
| Belleville Post Office | Belleville Post Office | Wayne | 682 | Belleville |
| Rockwood Post Office | Rockwood Post Office | Wayne | 584 | Rockwood |
| Plymouth Post Office | Plymouth Post Office | Wayne | 725 | Wayne |
| Merrill Street Post Office | Merrill Street Post Office | Ingham | 866 | Lansing South |
| Delta Branch Post Office | Delta Branch Post Office | Eaton | 856 | Dimondale |
| Southwest Carrier Annex Post Office | Southwest Carrier Annex Post Office | Ingham | 873 | Lansing South |
| Lansing Post Office | Lansing Post Office | Ingham | 876 | Lansing South |