Select different State:
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| Farmhaven Post Office (historical) | Farmhaven Post Office (historical) | Madison | 364 | Ofahoma |
| Beckham Post Office (historical) | Beckham Post Office (historical) | Pontotoc | Unknown | |
| Talley Post Office (historical) | Talley Post Office (historical) | Webster | 305 | Mantee |
| Double Springs Post Office (historical) | Double Springs Post Office (historical) | Oktibbeha | 469 | Double Springs |
| Mitchells Store Post Office (historical) | Mitchells Store Post Office (historical) | Alcorn | 466 | Rienzi |
| Doaks Stand Post Office (historical) | Doaks Stand Post Office (historical) | Madison | 344 | Farmhaven |
| Madison Post Office | Madison Post Office | Madison | 341 | Madison |
| Beaties Bluff Post Office (historical) | Beaties Bluff Post Office (historical) | Madison | 180 | Berryville |
| Flora Post Office | Flora Post Office | Madison | 249 | Flora |
| Mount Olympus Post Office (historical) | Mount Olympus Post Office (historical) | Madison | 358 | Flora |
| Wiggins Post Office | Wiggins Post Office | Stone | 279 | Wiggins |
| Winona Post Office | Winona Post Office | Montgomery | 400 | Winona |
| Ragsdale Stand Post Office (historical) | Ragsdale Stand Post Office (historical) | Yalobusha | 381 | Water Valley West |
| Fairview Post Office (historical) | Fairview Post Office (historical) | Union | 479 | New Albany East |
| New Albany Post Office | New Albany Post Office | Union | 361 | New Albany West |
| Pleasant Ridge Post Office (historical) | Pleasant Ridge Post Office (historical) | Itawamba | 663 | Red Bay |
| Hattiesburg Post Office | Hattiesburg Post Office | Forrest | 223 | Hattiesburg |
| Meridian Post Office | Meridian Post Office | Lauderdale | 351 | Meridian South |
| West Point Post Office | West Point Post Office | Clay | 239 | West Point |
| Hernando Post Office | Hernando Post Office | DeSoto | 400 | Hernando |
| Olive Branch Post Office | Olive Branch Post Office | DeSoto | 351 | Olive Branch |
| Southaven Post Office | Southaven Post Office | DeSoto | 302 | Horn Lake |
| Philadelphia Post Office | Philadelphia Post Office | Neshoba | 502 | Philadelphia |
| Fairfield Post Office (historical) | Fairfield Post Office (historical) | Amite | 430 | Auburn |
| Lebanon Post Office (historical) | Lebanon Post Office (historical) | Amite | 374 | Bewelcome |
| Natchez Post Office | Natchez Post Office | Adams | 207 | Natchez |
| Ridgeland Post Office | Ridgeland Post Office | Madison | 344 | Madison |
| Stump Bridge Post Office (historical) | Stump Bridge Post Office (historical) | Madison | 239 | Sharon |
| Mount Vernon Post Office (historical) | Mount Vernon Post Office (historical) | Warren | 262 | Yokena |
| Gum Ridge Post Office (historical) | Gum Ridge Post Office (historical) | Jefferson | Unknown | |
| Ihrie Post Office (historical) | Ihrie Post Office (historical) | Jefferson | Unknown | |
| Malcolm Post Office (historical) | Malcolm Post Office (historical) | Jefferson | Unknown | |
| Leaf River Post Office (historical) | Leaf River Post Office (historical) | Greene | 135 | Neely |
| McManus Post Office (historical) | McManus Post Office (historical) | Greene | 157 | Leakesville SW |
| Faisonia Post Office (historical) | Faisonia Post Office (historical) | Sunflower | Unknown | |
| Garvins Ferry Post Office (historical) | Garvins Ferry Post Office (historical) | Sunflower | Unknown | |
| Promised Land Post Office (historical) | Promised Land Post Office (historical) | Sunflower | Unknown | |
| Quiver Post Office (historical) | Quiver Post Office (historical) | Sunflower | Unknown | |
| Saints Rest Post Office (historical) | Saints Rest Post Office (historical) | Sunflower | Unknown | |
| Southside Post Office (historical) | Southside Post Office (historical) | Sunflower | Unknown | |
| Stephenville Post Office (historical) | Stephenville Post Office (historical) | Sunflower | Unknown | |
| Paulding Post Office | Paulding Post Office | Jasper | 492 | Paulding |
| Rose Hill Post Office | Rose Hill Post Office | Jasper | 381 | Rose Hill |
| Stringer Post Office | Stringer Post Office | Jasper | 351 | Soso |
| Vossburg Post Office | Vossburg Post Office | Jasper | 486 | Heidelberg |
| Darnall Post Office (historical) | Darnall Post Office (historical) | Kemper | Unknown | |
| West Kemper Post Office (historical) | West Kemper Post Office (historical) | Kemper | Unknown | |
| Kemper Springs Post Office (historical) | Kemper Springs Post Office (historical) | Kemper | Unknown | |
| Kipling Post Office (historical) | Kipling Post Office (historical) | Kemper | Unknown | |
| Mount Nebo Post Office (historical) | Mount Nebo Post Office (historical) | Kemper | Unknown | |
| Narkeeta Post Office (historical) | Narkeeta Post Office (historical) | Kemper | Unknown | |
| Peden Post Office (historical) | Peden Post Office (historical) | Kemper | Unknown | |
| Prince Post Office (historical) | Prince Post Office (historical) | Kemper | Unknown | |
| Rocky Mount Post Office (historical) | Rocky Mount Post Office (historical) | Kemper | Unknown | |
| Spinks Post Office (historical) | Spinks Post Office (historical) | Kemper | Unknown | |
| Gallman Post Office | Gallman Post Office | Copiah | 479 | Gallman |
| Kennedys Store Post Office (historical) | Kennedys Store Post Office (historical) | Copiah | 420 | Terry |
| Mount Washington Post Office (historical) | Mount Washington Post Office (historical) | Copiah | 279 | Dentville |
| Griffins Store Post Office (historical) | Griffins Store Post Office (historical) | Claiborne | 220 | Dentville NW |
| Hervey Post Office (historical) | Hervey Post Office (historical) | Claiborne | Unknown | |
| Black Oak Post Office (historical) | Black Oak Post Office (historical) | Tallahatchie | 338 | Tillatoba |
| Charleston Post Office | Charleston Post Office | Tallahatchie | 210 | Charleston |
| Crevi Post Office (historical) | Crevi Post Office (historical) | Tallahatchie | Unknown | |
| Murphreesboro Post Office (historical) | Murphreesboro Post Office (historical) | Tallahatchie | Unknown | |
| Pawticfaw Post Office (historical) | Pawticfaw Post Office (historical) | Kemper | Unknown | |
| Potterville Post Office (historical) | Potterville Post Office (historical) | Sunflower | Unknown | |
| Cornwell Post Office (historical) | Cornwell Post Office (historical) | Winston | Unknown | |
| Cuevas Post Office (historical) | Cuevas Post Office (historical) | Harrison | Unknown | |
| Anis Post Office (historical) | Anis Post Office (historical) | Attala | Unknown | |
| Attalaville Post Office (historical) | Attalaville Post Office (historical) | Attala | Unknown | |
| Auris Post Office (historical) | Auris Post Office (historical) | Attala | Unknown | |
| Bluff Springs Post Office (historical) | Bluff Springs Post Office (historical) | Attala | Unknown | |
| Branchville Post Office (historical) | Branchville Post Office (historical) | Attala | Unknown | |
| Burkettsville Post Office (historical) | Burkettsville Post Office (historical) | Attala | Unknown | |
| Chita Post Office (historical) | Chita Post Office (historical) | Attala | Unknown | |
| Cowpen Post Office (historical) | Cowpen Post Office (historical) | Attala | Unknown | |
| Doty Post Office (historical) | Doty Post Office (historical) | Attala | Unknown | |
| Earlyville Post Office (historical) | Earlyville Post Office (historical) | Attala | Unknown | |
| Edgefield Post Office (historical) | Edgefield Post Office (historical) | Attala | Unknown | |
| Wells Post Office (historical) | Wells Post Office (historical) | Attala | Unknown | |
| Gregory Post Office (historical) | Gregory Post Office (historical) | Attala | Unknown | |
| Hurricane Post Office (historical) | Hurricane Post Office (historical) | Attala | Unknown | |
| Langley Post Office (historical) | Langley Post Office (historical) | Attala | Unknown | |
| Zebulon Post Office (historical) | Zebulon Post Office (historical) | Attala | Unknown | |
| Nile Post Office (historical) | Nile Post Office (historical) | Attala | Unknown | |
| Phoenix Mills Post Office (historical) | Phoenix Mills Post Office (historical) | Attala | Unknown | |
| Plantation Post Office (historical) | Plantation Post Office (historical) | Attala | Unknown | |
| Providence Post Office (historical) | Providence Post Office (historical) | Attala | Unknown | |
| Rockport Post Office (historical) | Rockport Post Office (historical) | Attala | Unknown | |
| Rocky Point Post Office (historical) | Rocky Point Post Office (historical) | Attala | Unknown | |
| Shrock Post Office (historical) | Shrock Post Office (historical) | Attala | Unknown | |
| Thweatt Post Office (historical) | Thweatt Post Office (historical) | Attala | Unknown | |
| Valena Post Office (historical) | Valena Post Office (historical) | Attala | Unknown | |
| Clayton Post Office (historical) | Clayton Post Office (historical) | Tunica | Unknown | |
| Crews Post Office (historical) | Crews Post Office (historical) | Tunica | Unknown | |
| Alligator Post Office (historical) | Alligator Post Office (historical) | Bolivar | Unknown | |
| Mitchell Post Office (historical) | Mitchell Post Office (historical) | Tippah | Unknown | |
| Hatchie Post Office (historical) | Hatchie Post Office (historical) | Tippah | Unknown | |
| Bullock Post Office (historical) | Bullock Post Office (historical) | Tippah | Unknown | |
| Cornish Post Office (historical) | Cornish Post Office (historical) | Lafayette | Unknown | |
| Tokio Post Office (historical) | Tokio Post Office (historical) | Wayne | Unknown | |
| Denham Post Office (historical) | Denham Post Office (historical) | Wayne | Unknown | |
| Cameta Post Office (historical) | Cameta Post Office (historical) | Sharkey | Unknown | |
| Shraderville Post Office (historical) | Shraderville Post Office (historical) | Sharkey | Unknown | |
| Willet Post Office (historical) | Willet Post Office (historical) | Washington | Unknown | |
| Edna Post Office (historical) | Edna Post Office (historical) | Marion | Unknown | |
| Keno Post Office (historical) | Keno Post Office (historical) | Marion | Unknown | |
| Lampton Post Office (historical) | Lampton Post Office (historical) | Marion | Unknown | |
| Hub Post Office (historical) | Hub Post Office (historical) | Marion | Unknown | |
| Obadiah Post Office (historical) | Obadiah Post Office (historical) | Lauderdale | Unknown | |
| Lizelia Post Office (historical) | Lizelia Post Office (historical) | Lauderdale | Unknown | |
| Daleville Post Office (historical) | Daleville Post Office (historical) | Lauderdale | Unknown | |
| Delta Post Office (historical) | Delta Post Office (historical) | Panola | Unknown | |
| Mastodon Post Office (historical) | Mastodon Post Office (historical) | Panola | Unknown | |
| Strayhorn Post Office (historical) | Strayhorn Post Office (historical) | Tate | Unknown | |
| Agency Post Office (historical) | Agency Post Office (historical) | Oktibbeha | Unknown | |
| Penn Post Office (historical) | Penn Post Office (historical) | Lowndes | Unknown | |
| Hookston Post Office (historical) | Hookston Post Office (historical) | Lauderdale | Unknown | |
| Gomez Post Office (historical) | Gomez Post Office (historical) | Lafayette | Unknown | |
| Dahomy Post Office (historical) | Dahomy Post Office (historical) | Bolivar | Unknown | |
| Clifford Post Office (historical) | Clifford Post Office (historical) | Bolivar | Unknown | |
| Pleasant Hill Post Office (historical) | Pleasant Hill Post Office (historical) | Rankin | Unknown | |
| Retus Post Office (historical) | Retus Post Office (historical) | Sunflower | Unknown | |
| Fordsville Post Office (historical) | Fordsville Post Office (historical) | Marion | Unknown | |
| Lataiuer Post Office (historical) | Lataiuer Post Office (historical) | Marion | Unknown | |
| Orangeburg Post Office (historical) | Orangeburg Post Office (historical) | Marion | Unknown | |
| Hatton Post Office (historical) | Hatton Post Office (historical) | Yalobusha | Unknown | |
| Rudyard Post Office (historical) | Rudyard Post Office (historical) | Coahoma | Unknown | |
| Cloverhill Post Office (historical) | Cloverhill Post Office (historical) | Coahoma | Unknown | |
| Vanwinkle Post Office (historical) | Vanwinkle Post Office (historical) | Hinds | Unknown | |
| Sun Post Office (historical) | Sun Post Office (historical) | Scott | Unknown | |
| Mount Carmel Post Office (historical) | Mount Carmel Post Office (historical) | Jefferson Davis | Unknown | |
| Story Post Office (historical) | Story Post Office (historical) | Jefferson Davis | Unknown | |
| Agricola Post Office (historical) | Agricola Post Office (historical) | George | Unknown | |
| Alice Post Office (historical) | Alice Post Office (historical) | Neshoba | Unknown | |
| Alpine Post Office (historical) | Alpine Post Office (historical) | Union | Unknown | |
| Alva Post Office (historical) | Alva Post Office (historical) | Montgomery | Unknown | |
| Anna Post Office (historical) | Anna Post Office (historical) | Adams | Unknown | |
| Arbo Post Office (historical) | Arbo Post Office (historical) | Covington | Unknown | |
| Artonish Post Office (historical) | Artonish Post Office (historical) | Wilkinson | Unknown | |
| Aubrey Post Office (historical) | Aubrey Post Office (historical) | Noxubee | Unknown | |
| Baker Post Office (historical) | Baker Post Office (historical) | Union | Unknown | |
| Baltzer Post Office (historical) | Baltzer Post Office (historical) | Sunflower | Unknown | |
| Barfoot Post Office (historical) | Barfoot Post Office (historical) | Neshoba | Unknown | |
| Bartlett Post Office (historical) | Bartlett Post Office (historical) | Newton | Unknown | |
| Barto Post Office (historical) | Barto Post Office (historical) | Pike | Unknown | |
| Batson Post Office (historical) | Batson Post Office (historical) | Forrest | Unknown | |
| Baxter Post Office (historical) | Baxter Post Office (historical) | Jasper | Unknown | |
| Bearden Post Office (historical) | Bearden Post Office (historical) | Pike | Unknown | |
| Benndale Post Office (historical) | Benndale Post Office (historical) | George | Unknown | |
| Bexley Post Office (historical) | Bexley Post Office (historical) | George | Unknown | |
| Big Point Post Office (historical) | Big Point Post Office (historical) | Jackson | Unknown | |
| Denmark Post Office (historical) | Denmark Post Office (historical) | Lafayette | Unknown | |
| Dexter Post Office (historical) | Dexter Post Office (historical) | Walthall | Unknown | |
| Dido Post Office (historical) | Dido Post Office (historical) | Choctaw | Unknown | |
| Dundee Post Office (historical) | Dundee Post Office (historical) | Tunica | Unknown | |
| Eaglenest Post Office (historical) | Eaglenest Post Office (historical) | Coahoma | Unknown | |
| Ebenezer Post Office (historical) | Ebenezer Post Office (historical) | Holmes | Unknown | |
| Elder Post Office (historical) | Elder Post Office (historical) | Forrest | Unknown | |
| Embry Post Office (historical) | Embry Post Office (historical) | Webster | Unknown | |
| Enondale Post Office (historical) | Enondale Post Office (historical) | Kemper | Unknown | |
| Fitzhugh Post Office (historical) | Fitzhugh Post Office (historical) | Sunflower | Unknown | |
| Steens Creek Post Office (historical) | Steens Creek Post Office (historical) | Rankin | Unknown | |
| Fontainebleau Post Office (historical) | Fontainebleau Post Office (historical) | Jackson | Unknown | |
| Lotus Post Office (historical) | Lotus Post Office (historical) | Humphreys | Unknown | |
| Freeny Post Office (historical) | Freeny Post Office (historical) | Leake | Unknown | |
| Furrs Post Office (historical) | Furrs Post Office (historical) | Pontotoc | Unknown | |
| Gilmer Post Office (historical) | Gilmer Post Office (historical) | Covington | Unknown | |
| Goldfield Post Office (historical) | Goldfield Post Office (historical) | Sunflower | Unknown | |
| Goodluck Post Office (historical) | Goodluck Post Office (historical) | Forrest | Unknown | |
| Goshen Springs Post Office (historical) | Goshen Springs Post Office (historical) | Rankin | Unknown | |
| Grady Post Office (historical) | Grady Post Office (historical) | Webster | Unknown | |
| Gray Post Office (historical) | Gray Post Office (historical) | Leake | Unknown | |
| Greenfield Post Office (historical) | Greenfield Post Office (historical) | Rankin | Unknown | |
| Gumwood Post Office (historical) | Gumwood Post Office (historical) | Sunflower | Unknown | |
| Hesterville Post Office (historical) | Hesterville Post Office (historical) | Attala | Unknown | |
| Hohenlinden Post Office (historical) | Hohenlinden Post Office (historical) | Webster | Unknown | |
| Hopewell Post Office (historical) | Hopewell Post Office (historical) | Benton | Unknown | |
| Hopoca Post Office (historical) | Hopoca Post Office (historical) | Leake | Unknown | |
| Horne Post Office (historical) | Horne Post Office (historical) | Clarke | Unknown | |
| Insmore Post Office (historical) | Insmore Post Office (historical) | Claiborne | Unknown | |
| Jago Post Office (historical) | Jago Post Office (historical) | DeSoto | Unknown | |
| Lackey Post Office (historical) | Lackey Post Office (historical) | Monroe | Unknown | |
| Lombardy Post Office (historical) | Lombardy Post Office (historical) | Sunflower | Unknown | |
| Dry Creek Post Office (historical) | Dry Creek Post Office (historical) | Covington | Unknown | |
| Vex Post Office (historical) | Vex Post Office (historical) | Covington | Unknown | |
| Long Post Office (historical) | Long Post Office (historical) | Washington | Unknown | |
| Calyx Post Office (historical) | Calyx Post Office (historical) | Noxubee | Unknown | |
| Cameron Post Office (historical) | Cameron Post Office (historical) | Madison | Unknown | |
| Cardsville Post Office (historical) | Cardsville Post Office (historical) | Itawamba | Unknown | |
| Carlos Post Office (historical) | Carlos Post Office (historical) | Lincoln | Unknown | |
| Cedar Hill Post Office (historical) | Cedar Hill Post Office (historical) | Montgomery | Unknown | |
| Charlton Post Office (historical) | Charlton Post Office (historical) | Madison | Unknown | |
| Cherry Creek Post Office (historical) | Cherry Creek Post Office (historical) | Pontotoc | Unknown | |
| Chesterville Post Office (historical) | Chesterville Post Office (historical) | Pontotoc | Unknown | |
| Chinquapin Post Office (historical) | Chinquapin Post Office (historical) | Pearl River | Unknown | |
| Clarkson Post Office (historical) | Clarkson Post Office (historical) | Webster | Unknown | |
| Cleary Post Office (historical) | Cleary Post Office (historical) | Rankin | Unknown | |
| Clem Post Office (historical) | Clem Post Office (historical) | Covington | Unknown | |
| Sontag Post Office | Sontag Post Office | Lawrence | Unknown | |
| Cliftonville Post Office (historical) | Cliftonville Post Office (historical) | Noxubee | Unknown | |
| Clover Hill Post Office (historical) | Clover Hill Post Office (historical) | Coahoma | Unknown | |
| Conway Post Office (historical) | Conway Post Office (historical) | Leake | Unknown | |
| Crandall Post Office (historical) | Crandall Post Office (historical) | Clarke | Unknown | |
| Creek Post Office (historical) | Creek Post Office (historical) | Clarke | Unknown | |
| Cullum Post Office (historical) | Cullum Post Office (historical) | Kemper | Unknown | |
| Dancy Post Office (historical) | Dancy Post Office (historical) | Webster | Unknown | |
| Deen Post Office (historical) | Deen Post Office (historical) | Jefferson Davis | Unknown | |
| Deerbrook Post Office (historical) | Deerbrook Post Office (historical) | Noxubee | Unknown | |
| Dickerson Post Office (historical) | Dickerson Post Office (historical) | Coahoma | Unknown | |
| Dinan Post Office (historical) | Dinan Post Office (historical) | Walthall | Unknown | |
| Dinsmore Post Office (historical) | Dinsmore Post Office (historical) | Noxubee | Unknown | |
| Dossville Post Office (historical) | Dossville Post Office (historical) | Leake | Unknown | |
| Dwiggins Post Office (historical) | Dwiggins Post Office (historical) | Sunflower | Unknown | |
| Dwyer Post Office (historical) | Dwyer Post Office (historical) | Sunflower | Unknown | |
| East Fork Post Office (historical) | East Fork Post Office (historical) | Amite | Unknown | |
| Eastman Post Office (historical) | Eastman Post Office (historical) | Itawamba | Unknown | |
| Colbert Post Office (historical) | Colbert Post Office (historical) | Marshall | Unknown | |
| Shawnee Post Office (historical) | Shawnee Post Office (historical) | Benton | Unknown | |
| Hudsonville Post Office (historical) | Hudsonville Post Office (historical) | Marshall | Unknown | |
| Higdon Post Office (historical) | Higdon Post Office (historical) | Marshall | Unknown | |
| Mack Post Office (historical) | Mack Post Office (historical) | Marshall | Unknown | |
| Atway Post Office (historical) | Atway Post Office (historical) | Marshall | Unknown | |
| Estill Post Office (historical) | Estill Post Office (historical) | Washington | Unknown | |
| Dubard Post Office (historical) | Dubard Post Office (historical) | Grenada | Unknown | |
| Hillsdale Post Office (historical) | Hillsdale Post Office (historical) | Pearl River | Unknown | |
| Tacaleeche Post Office (historical) | Tacaleeche Post Office (historical) | Benton | Unknown | |
| Darden Post Office (historical) | Darden Post Office (historical) | Union | Unknown | |
| Ellistown Post Office (historical) | Ellistown Post Office (historical) | Union | Unknown | |
| Elwood Post Office (historical) | Elwood Post Office (historical) | Clarke | Unknown | |
| Emerald Post Office (historical) | Emerald Post Office (historical) | Pike | Unknown | |
| Emory Post Office (historical) | Emory Post Office (historical) | Holmes | Unknown | |
| Energy Post Office (historical) | Energy Post Office (historical) | Clarke | Unknown | |
| Enon Post Office (historical) | Enon Post Office (historical) | Walthall | Unknown | |
| Epps Post Office (historical) | Epps Post Office (historical) | Forrest | Unknown | |
| Esperanza Post Office (historical) | Esperanza Post Office (historical) | Pontotoc | Unknown | |
| Eunice Post Office (historical) | Eunice Post Office (historical) | Amite | Unknown | |
| Evans Post Office (historical) | Evans Post Office (historical) | Yazoo | Unknown | |
| Evanston Post Office (historical) | Evanston Post Office (historical) | George | Unknown | |
| Fannin Post Office (historical) | Fannin Post Office (historical) | Rankin | Unknown | |
| Frazier Post Office (historical) | Frazier Post Office (historical) | Sunflower | Unknown | |
| Fulcher Post Office (historical) | Fulcher Post Office (historical) | Choctaw | Unknown | |
| Gainesville Post Office (historical) | Gainesville Post Office (historical) | Hancock | Unknown | |
| Gandsi Post Office (historical) | Gandsi Post Office (historical) | Covington | Unknown | |
| Gershorm Post Office (historical) | Gershorm Post Office (historical) | Pontotoc | Unknown | |
| Gholson Post Office (historical) | Gholson Post Office (historical) | Noxubee | Unknown | |
| Giles Post Office (historical) | Giles Post Office (historical) | Kemper | Unknown | |
| Gladhurst Post Office (historical) | Gladhurst Post Office (historical) | Pike | Unknown | |
| Glenfield Post Office (historical) | Glenfield Post Office (historical) | Union | Unknown | |
| Glenville Post Office (historical) | Glenville Post Office (historical) | Panola | Unknown | |
| Goodfood Post Office (historical) | Goodfood Post Office (historical) | Pontotoc | Unknown | |
| Goodwater Post Office (historical) | Goodwater Post Office (historical) | Clarke | Unknown | |
| Halstead Post Office (historical) | Halstead Post Office (historical) | Sunflower | Unknown | |
| Harleston Post Office (historical) | Harleston Post Office (historical) | Jackson | Unknown | |
| Harvey Post Office (historical) | Harvey Post Office (historical) | Forrest | Unknown | |
| Hero Post Office (historical) | Hero Post Office (historical) | Jasper | Unknown | |
| Hillhouse Post Office (historical) | Hillhouse Post Office (historical) | Coahoma | Unknown | |
| Hiram Post Office (historical) | Hiram Post Office (historical) | Wilkinson | Unknown | |
| Holly Ridge Post Office (historical) | Holly Ridge Post Office (historical) | Sunflower | Unknown | |
| Humphreys Post Office (historical) | Humphreys Post Office (historical) | Claiborne | Unknown | |
| Hurricane Creek Post Office (historical) | Hurricane Creek Post Office (historical) | Clarke | Unknown | |
| Ingleside Post Office (historical) | Ingleside Post Office (historical) | Claiborne | Unknown | |
| Jefferson Post Office (historical) | Jefferson Post Office (historical) | Carroll | Unknown | |
| Joseph Post Office (historical) | Joseph Post Office (historical) | Attala | Unknown | |
| Kellis Store Post Office (historical) | Kellis Store Post Office (historical) | Kemper | Unknown | |
| King Post Office (historical) | King Post Office (historical) | Rankin | Unknown | |
| Kirklin Post Office (historical) | Kirklin Post Office (historical) | Walthall | Unknown | |
| Knoxo Post Office (historical) | Knoxo Post Office (historical) | Walthall | Unknown | |
| Kola Post Office (historical) | Kola Post Office (historical) | Covington | Unknown | |
| Langsdale Post Office (historical) | Langsdale Post Office (historical) | Clarke | Unknown | |
| Larue Post Office (historical) | Larue Post Office (historical) | Jackson | Unknown | |
| Leesburg Post Office (historical) | Leesburg Post Office (historical) | Rankin | Unknown | |
| Leverett Post Office (historical) | Leverett Post Office (historical) | Tallahatchie | Unknown | |
| Lilac Post Office (historical) | Lilac Post Office (historical) | Montgomery | Unknown | |
| Lingle Post Office (historical) | Lingle Post Office (historical) | Smith | Unknown | |
| Linn Post Office (historical) | Linn Post Office (historical) | Sunflower | Unknown | |
| Linton Post Office (historical) | Linton Post Office (historical) | Clarke | Unknown | |
| Ivy Post Office (historical) | Ivy Post Office (historical) | Bolivar | Unknown | |
| Lobdell Post Office (historical) | Lobdell Post Office (historical) | Bolivar | Unknown | |
| Loring Post Office (historical) | Loring Post Office (historical) | Madison | Unknown | |
| Lucern Post Office (historical) | Lucern Post Office (historical) | Newton | Unknown | |
| Lurline Post Office (historical) | Lurline Post Office (historical) | Tate | Unknown | |
| Lux Post Office (historical) | Lux Post Office (historical) | Covington | Unknown | |
| Lynn Creek Post Office (historical) | Lynn Creek Post Office (historical) | Noxubee | Unknown | |
| Macedonia Post Office (historical) | Macedonia Post Office (historical) | Noxubee | Unknown | |
| Mannassa Post Office (historical) | Mannassa Post Office (historical) | Clarke | Unknown | |
| Marydell Post Office (historical) | Marydell Post Office (historical) | Leake | Unknown | |
| Mashulaville Post Office (historical) | Mashulaville Post Office (historical) | Noxubee | Unknown | |
| Maud Post Office (historical) | Maud Post Office (historical) | Tunica | Unknown | |
| McCallum Post Office (historical) | McCallum Post Office (historical) | Forrest | Unknown | |
| McLeod Post Office (historical) | McLeod Post Office (historical) | Noxubee | Unknown | |
| McRaven Post Office (historical) | McRaven Post Office (historical) | Hinds | Unknown | |
| McVille Post Office (historical) | McVille Post Office (historical) | Attala | Unknown | |
| Merrill Post Office (historical) | Merrill Post Office (historical) | George | Unknown | |
| Middleton Post Office (historical) | Middleton Post Office (historical) | Clarke | Unknown | |
| Midway Post Office (historical) | Midway Post Office (historical) | Hinds | Unknown | |
| Millington Post Office (historical) | Millington Post Office (historical) | Kemper | Unknown | |
| Minot Post Office (historical) | Minot Post Office (historical) | Sunflower | Unknown | |
| Monterey Post Office (historical) | Monterey Post Office (historical) | Rankin | Unknown | |
| Montevista Post Office (historical) | Montevista Post Office (historical) | Webster | Unknown | |
| Montgomery Post Office (historical) | Montgomery Post Office (historical) | Lincoln | Unknown | |
| Moon Post Office (historical) | Moon Post Office (historical) | Coahoma | Unknown | |
| Morriston Post Office (historical) | Morriston Post Office (historical) | Forrest | Unknown | |
| Moscow Post Office (historical) | Moscow Post Office (historical) | Kemper | Unknown | |
| Niles Post Office (historical) | Niles Post Office (historical) | Bolivar | Unknown | |
| Nixon Post Office (historical) | Nixon Post Office (historical) | Pontotoc | Unknown | |
| Nutbank Post Office (historical) | Nutbank Post Office (historical) | Jackson | Unknown | |
| O'Reilly Post Office (historical) | O'Reilly Post Office (historical) | Bolivar | Unknown | |
| Oak Grove Post Office (historical) | Oak Grove Post Office (historical) | Kemper | Unknown | |
| Oakley Post Office (historical) | Oakley Post Office (historical) | Hinds | Unknown | |
| Oaks Post Office (historical) | Oaks Post Office (historical) | Madison | Unknown | |
| Americus Post Office (historical) | Americus Post Office (historical) | Jackson | Unknown | |
| Malcum Post Office (historical) | Malcum Post Office (historical) | Lincoln | Unknown | |
| Redstar Post Office (historical) | Redstar Post Office (historical) | Lincoln | Unknown | |
| Ora Post Office (historical) | Ora Post Office (historical) | Covington | Unknown | |
| Palmer Post Office (historical) | Palmer Post Office (historical) | Forrest | Unknown | |
| Parchman Post Office | Parchman Post Office | Sunflower | Unknown | |
| Parkersburg Post Office (historical) | Parkersburg Post Office (historical) | Chickasaw | Unknown | |
| Patmos Post Office (historical) | Patmos Post Office (historical) | Sharkey | Unknown | |
| Paulette Post Office (historical) | Paulette Post Office (historical) | Noxubee | Unknown | |
| Pearson Post Office (historical) | Pearson Post Office (historical) | Rankin | Unknown | |
| Pecan Post Office (historical) | Pecan Post Office (historical) | Jackson | Unknown | |
| Pentecost Post Office (historical) | Pentecost Post Office (historical) | Sunflower | Unknown | |
| Perth Post Office (historical) | Perth Post Office (historical) | Jefferson | Unknown | |
| Perthshire Post Office (historical) | Perthshire Post Office (historical) | Bolivar | Unknown | |
| Peyton Post Office (historical) | Peyton Post Office (historical) | Claiborne | Unknown | |
| Pine Valley Post Office (historical) | Pine Valley Post Office (historical) | Yalobusha | Unknown | |
| Pisgah Post Office (historical) | Pisgah Post Office (historical) | Rankin | Unknown | |
| Plumpoint Post Office (historical) | Plumpoint Post Office (historical) | DeSoto | Unknown | |
| Possumneck Post Office (historical) | Possumneck Post Office (historical) | Attala | Unknown | |
| Prismatic Post Office (historical) | Prismatic Post Office (historical) | Kemper | Unknown | |
| Prospect Post Office (historical) | Prospect Post Office (historical) | Newton | Unknown | |
| Pyland Post Office (historical) | Pyland Post Office (historical) | Chickasaw | Unknown | |
| Ralston Post Office (historical) | Ralston Post Office (historical) | Forrest | Unknown | |
| Rankin Post Office (historical) | Rankin Post Office (historical) | Rankin | Unknown | |
| Ratliff Post Office (historical) | Ratliff Post Office (historical) | Itawamba | Unknown | |
| Ravine Post Office (historical) | Ravine Post Office (historical) | Noxubee | Unknown | |
| Rawls Springs Post Office (historical) | Rawls Springs Post Office (historical) | Forrest | Unknown | |
| Redding Post Office (historical) | Redding Post Office (historical) | Grenada | Unknown | |
| Reganton Post Office (historical) | Reganton Post Office (historical) | Claiborne | Unknown | |
| Reid Post Office (historical) | Reid Post Office (historical) | Calhoun | Unknown | |
| Revive Post Office (historical) | Revive Post Office (historical) | Madison | Unknown | |
| Rio Post Office (historical) | Rio Post Office (historical) | Kemper | Unknown | |
| Roberts Post Office (historical) | Roberts Post Office (historical) | Newton | Unknown | |
| Rochdale Post Office (historical) | Rochdale Post Office (historical) | Bolivar | Unknown | |
| Roundaway Post Office (historical) | Roundaway Post Office (historical) | Coahoma | Unknown | |
| Roy Post Office (historical) | Roy Post Office (historical) | Clarke | Unknown | |
| Rufus Post Office (historical) | Rufus Post Office (historical) | Rankin | Unknown | |
| Sable Post Office (historical) | Sable Post Office (historical) | Clarke | Unknown | |
| Saint Elmo Post Office (historical) | Saint Elmo Post Office (historical) | Claiborne | Unknown | |
| Sanford Post Office (historical) | Sanford Post Office (historical) | Covington | Unknown | |
| Sapa Post Office (historical) | Sapa Post Office (historical) | Webster | Unknown | |
| Sartinville Post Office (historical) | Sartinville Post Office (historical) | Walthall | Unknown | |
| Saukum Post Office (historical) | Saukum Post Office (historical) | Wilkinson | Unknown | |
| Zion Seminary Post Office (historical) | Zion Seminary Post Office (historical) | Covington | Unknown | |
| Sharpsburg Post Office (historical) | Sharpsburg Post Office (historical) | Madison | Unknown | |
| Shipman Post Office (historical) | Shipman Post Office (historical) | George | Unknown | |
| Shongelo Post Office (historical) | Shongelo Post Office (historical) | Smith | Unknown | |
| Shuford Post Office (historical) | Shuford Post Office (historical) | Panola | Unknown | |
| Sibleyton Post Office (historical) | Sibleyton Post Office (historical) | Montgomery | Unknown | |
| Yawn Post Office (historical) | Yawn Post Office (historical) | Covington | Unknown | |
| Snell Post Office (historical) | Snell Post Office (historical) | Clarke | Unknown | |
| Sparta Post Office (historical) | Sparta Post Office (historical) | Chickasaw | Unknown | |
| Steiner Post Office (historical) | Steiner Post Office (historical) | Sunflower | Unknown | |
| Stokes Post Office (historical) | Stokes Post Office (historical) | Madison | Unknown | |
| Sucarnoochee Post Office (historical) | Sucarnoochee Post Office (historical) | Kemper | Unknown | |
| Tamola Post Office (historical) | Tamola Post Office (historical) | Kemper | Unknown | |
| Teckville Post Office (historical) | Teckville Post Office (historical) | Lafayette | Unknown | |
| Threadville Post Office (historical) | Threadville Post Office (historical) | Clarke | Unknown | |
| Three Rivers Post Office (historical) | Three Rivers Post Office (historical) | Jackson | Unknown | |
| Townsend Post Office (historical) | Townsend Post Office (historical) | Kemper | Unknown | |
| Traxler Post Office (historical) | Traxler Post Office (historical) | Smith | Unknown | |
| Trenton Post Office (historical) | Trenton Post Office (historical) | Smith | Unknown | |
| Tuscola Post Office (historical) | Tuscola Post Office (historical) | Leake | Unknown | |
| Una Post Office (historical) | Una Post Office (historical) | Clay | Unknown | |
| Rusk Post Office (historical) | Rusk Post Office (historical) | Lee | Unknown | |
| Ustane Post Office (historical) | Ustane Post Office (historical) | Amite | Unknown | |
| Value Post Office (historical) | Value Post Office (historical) | Rankin | Unknown | |
| Vernon Post Office (historical) | Vernon Post Office (historical) | Jasper | Unknown | |
| Vestry Post Office (historical) | Vestry Post Office (historical) | Jackson | Unknown | |
| Vinton Post Office (historical) | Vinton Post Office (historical) | Clay | Unknown | |
| Wade Post Office (historical) | Wade Post Office (historical) | Jackson | Unknown | |
| Wahalak Post Office (historical) | Wahalak Post Office (historical) | Kemper | Unknown | |
| Waldrup Post Office (historical) | Waldrup Post Office (historical) | Jasper | Unknown | |
| Waverley Post Office (historical) | Waverley Post Office (historical) | Clay | Unknown | |
| Waxhaw Post Office (historical) | Waxhaw Post Office (historical) | Bolivar | Unknown | |
| Whites Post Office (historical) | Whites Post Office (historical) | Rankin | Unknown | |
| Whitney Post Office (historical) | Whitney Post Office (historical) | Sunflower | Unknown | |
| Williamsburg Post Office (historical) | Williamsburg Post Office (historical) | Covington | Unknown | |
| Woodburn Post Office (historical) | Woodburn Post Office (historical) | Sunflower | Unknown | |
| Woodland Post Office (historical) | Woodland Post Office (historical) | Pontotoc | Unknown | |
| X-Prairie Post Office (historical) | X-Prairie Post Office (historical) | Noxubee | Unknown | |
| Zemuly Post Office (historical) | Zemuly Post Office (historical) | Attala | Unknown | |
| Zetus Post Office (historical) | Zetus Post Office (historical) | Lincoln | Unknown | |
| Zion Hill Post Office (historical) | Zion Hill Post Office (historical) | Amite | Unknown | |
| Richburg Post Office (historical) | Richburg Post Office (historical) | Lamar | Unknown | |
| Touchstone Post Office (historical) | Touchstone Post Office (historical) | Simpson | Unknown | |
| Ina Post Office (historical) | Ina Post Office (historical) | Simpson | Unknown | |
| Steel Post Office (historical) | Steel Post Office (historical) | Scott | Unknown | |
| Valley Hill Post Office (historical) | Valley Hill Post Office (historical) | Carroll | Unknown | |
| Grand Gulf Post Office (historical) | Grand Gulf Post Office (historical) | Claiborne | Unknown | |
| Youngs Post Office (historical) | Youngs Post Office (historical) | Grenada | Unknown | |
| Williamsville Post Office (historical) | Williamsville Post Office (historical) | Grenada | Unknown | |
| Graysport Post Office (historical) | Graysport Post Office (historical) | Grenada | Unknown | |
| Susie Post Office (historical) | Susie Post Office (historical) | Grenada | Unknown | |
| Richland Post Office (historical) | Richland Post Office (historical) | Holmes | Unknown | |
| Ingraham Post Office (historical) | Ingraham Post Office (historical) | Itawamba | Unknown | |
| Clay Post Office (historical) | Clay Post Office (historical) | Itawamba | Unknown | |
| Cliff Post Office (historical) | Cliff Post Office (historical) | Itawamba | Unknown | |
| Stovall Post Office (historical) | Stovall Post Office (historical) | Coahoma | Unknown | |
| Humber Post Office (historical) | Humber Post Office (historical) | Coahoma | Unknown | |
| Stokely Post Office (historical) | Stokely Post Office (historical) | Coahoma | Unknown | |
| Huntsville Post Office (historical) | Huntsville Post Office (historical) | Montgomery | Unknown | |
| Branch Post Office (historical) | Branch Post Office (historical) | Scott | Unknown | |
| Norris Post Office (historical) | Norris Post Office (historical) | Scott | Unknown | |
| Renfroe Post Office (historical) | Renfroe Post Office (historical) | Leake | Unknown | |
| Homepark Post Office (historical) | Homepark Post Office (historical) | Yazoo | Unknown | |
| Hilton Post Office (historical) | Hilton Post Office (historical) | Yazoo | Unknown | |
| Woodlawn Post Office (historical) | Woodlawn Post Office (historical) | Yazoo | Unknown | |
| Roadside Post Office (historical) | Roadside Post Office (historical) | Yazoo | Unknown | |
| Byram Post Office (historical) | Byram Post Office (historical) | Hinds | Unknown | |
| Seigers Post Office (historical) | Seigers Post Office (historical) | Hinds | Unknown | |
| Barland Post Office (historical) | Barland Post Office (historical) | Claiborne | Unknown | |
| Reddoch Post Office (historical) | Reddoch Post Office (historical) | Jones | Unknown | |
| Oaktomie Post Office (historical) | Oaktomie Post Office (historical) | Covington | Unknown | |
| Wetwater Post Office (historical) | Wetwater Post Office (historical) | Noxubee | Unknown | |
| Joiner Post Office (historical) | Joiner Post Office (historical) | Noxubee | Unknown | |
| Jeff Davis Post Office (historical) | Jeff Davis Post Office (historical) | Noxubee | Unknown | |
| Hamby Post Office (historical) | Hamby Post Office (historical) | Noxubee | Unknown | |
| Taladega Post Office (historical) | Taladega Post Office (historical) | Noxubee | Unknown | |
| Alliance Post Office (historical) | Alliance Post Office (historical) | Noxubee | Unknown | |
| Leggett Post Office (historical) | Leggett Post Office (historical) | Pike | Unknown | |
| Holmesville Post Office (historical) | Holmesville Post Office (historical) | Pike | Unknown | |
| Hollywood Post Office (historical) | Hollywood Post Office (historical) | Tunica | Unknown | |
| Church Hill Post Office | Church Hill Post Office | Jefferson | 217 | Church Hill |
| Union Church Post Office | Union Church Post Office | Jefferson | 479 | Union Church |
| Yazoo City Post Office | Yazoo City Post Office | Yazoo | 105 | Yazoo City |
| Greenwood Post Office | Greenwood Post Office | Leflore | 128 | Greenwood |
| Forest Post Office | Forest Post Office | Scott | 482 | Forest |
| Comeby Post Office (historical) | Comeby Post Office (historical) | Rankin | Unknown | |
| Dobson Post Office (historical) | Dobson Post Office (historical) | Rankin | Unknown | |
| Florence Post Office | Florence Post Office | Rankin | 315 | Florence |
| Pearl Post Office | Pearl Post Office | Rankin | 269 | Jackson |
| Pelahatchie Depot Post Office (historical) | Pelahatchie Depot Post Office (historical) | Rankin | Unknown | |
| Shiloh Post Office (historical) | Shiloh Post Office (historical) | Rankin | Unknown | |
| Basin Post Office (historical) | Basin Post Office (historical) | George | 75 | Basin |
| Donovan Post Office (historical) | Donovan Post Office (historical) | George | Unknown | |
| Eubanks Post Office (historical) | Eubanks Post Office (historical) | George | Unknown | |
| Latonia Post Office (historical) | Latonia Post Office (historical) | George | Unknown | |
| Mountain Post Office (historical) | Mountain Post Office (historical) | George | Unknown | |
| Rock Creek Post Office (historical) | Rock Creek Post Office (historical) | George | Unknown | |
| Ruble Post Office (historical) | Ruble Post Office (historical) | George | Unknown | |
| Delta City Post Office | Delta City Post Office | Sharkey | 105 | Delta City |
| Nitta Yuma Post Office | Nitta Yuma Post Office | Sharkey | 112 | Delta City |
| Tylertown Post Office | Tylertown Post Office | Walthall | 289 | Tylertown |
| Crossroads Post Office | Crossroads Post Office | Washington | 121 | Greenville |
| Greenville Post Office | Greenville Post Office | Washington | 131 | Greenville |
| Aberdeen Post Office | Aberdeen Post Office | Monroe | 226 | Aberdeen |
| Buttahatchie Post Office (historical) | Buttahatchie Post Office (historical) | Monroe | Unknown | |
| Camargo Post Office (historical) | Camargo Post Office (historical) | Monroe | Unknown | |
| Rye Post Office (historical) | Rye Post Office (historical) | Monroe | Unknown | |
| Fordsville Post Office (historical) | Fordsville Post Office (historical) | Clarke | Unknown | |
| Gin Post Office (historical) | Gin Post Office (historical) | Clarke | Unknown | |
| Springs Post Office (historical) | Springs Post Office (historical) | Clarke | Unknown | |
| Swan Lake Post Office | Swan Lake Post Office | Tallahatchie | 148 | Glendora |
| Preston Post Office | Preston Post Office | Kemper | 535 | Preston |
| Prairie Point Post Office | Prairie Point Post Office | Noxubee | 197 | Cliftonville |
| Porterville Post Office | Porterville Post Office | Kemper | 203 | Porterville |
| Bigbee Valley Post Office | Bigbee Valley Post Office | Noxubee | 157 | Pickensville |
| Bellefontaine Post Office | Bellefontaine Post Office | Webster | 341 | Bellefontaine |
| Moss Post Office | Moss Post Office | Jasper | 302 | Moss |
| Walls Post Office | Walls Post Office | DeSoto | 213 | Lake Cormorant |
| Bonus Post Office (historical) | Bonus Post Office (historical) | Franklin | Unknown | |
| Bunckley Post Office (historical) | Bunckley Post Office (historical) | Franklin | Unknown | |
| Garden City Post Office (historical) | Garden City Post Office (historical) | Franklin | Unknown | |
| Kirby Post Office (historical) | Kirby Post Office (historical) | Franklin | Unknown | |
| Knoxville Post Office (historical) | Knoxville Post Office (historical) | Franklin | Unknown | |
| Oldenburg Post Office (historical) | Oldenburg Post Office (historical) | Franklin | Unknown | |
| Whiteapple Post Office (historical) | Whiteapple Post Office (historical) | Franklin | Unknown | |
| Cannonsburg Post Office (historical) | Cannonsburg Post Office (historical) | Jefferson | Unknown | |
| McNair Post Office (historical) | McNair Post Office (historical) | Jefferson | Unknown | |
| Veto Post Office (historical) | Veto Post Office (historical) | Franklin | Unknown | |
| Stampley Post Office (historical) | Stampley Post Office (historical) | Jefferson | Unknown | |
| Blanton Post Office (historical) | Blanton Post Office (historical) | Sharkey | Unknown | |
| Egremont Post Office (historical) | Egremont Post Office (historical) | Sharkey | Unknown | |
| Lorenzen Post Office (historical) | Lorenzen Post Office (historical) | Sharkey | Unknown | |
| Lucre Post Office (historical) | Lucre Post Office (historical) | Sharkey | Unknown | |
| Mont Helena Post Office (historical) | Mont Helena Post Office (historical) | Sharkey | Unknown | |
| Smedes Post Office (historical) | Smedes Post Office (historical) | Sharkey | Unknown | |
| Booth Post Office (historical) | Booth Post Office (historical) | Issaquena | Unknown | |
| Ballground Post Office (historical) | Ballground Post Office (historical) | Warren | Unknown | |
| Eldorado Post Office (historical) | Eldorado Post Office (historical) | Warren | Unknown | |
| Floweree Post Office (historical) | Floweree Post Office (historical) | Warren | Unknown | |
| Ashwood Station Post Office (historical) | Ashwood Station Post Office (historical) | Wilkinson | Unknown | |
| Lessley Post Office (historical) | Lessley Post Office (historical) | Wilkinson | Unknown | |
| Newtonia Post Office (historical) | Newtonia Post Office (historical) | Wilkinson | Unknown | |
| Perrytown Post Office (historical) | Perrytown Post Office (historical) | Wilkinson | Unknown | |
| Pinckneyville Post Office (historical) | Pinckneyville Post Office (historical) | Wilkinson | Unknown | |
| Turnbull Post Office (historical) | Turnbull Post Office (historical) | Wilkinson | Unknown | |
| Whitaker Post Office (historical) | Whitaker Post Office (historical) | Wilkinson | Unknown | |
| Wilkinson Post Office (historical) | Wilkinson Post Office (historical) | Wilkinson | Unknown | |
| Anding Post Office (historical) | Anding Post Office (historical) | Yazoo | Unknown | |
| Campbellsville Post Office (historical) | Campbellsville Post Office (historical) | Yazoo | Unknown | |
| Dover Post Office (historical) | Dover Post Office (historical) | Yazoo | Unknown | |
| Enola Post Office (historical) | Enola Post Office (historical) | Yazoo | Unknown | |
| Kearney Post Office (historical) | Kearney Post Office (historical) | Yazoo | Unknown | |
| Mechanicsburg Post Office (historical) | Mechanicsburg Post Office (historical) | Yazoo | Unknown | |
| Myrtleville Post Office (historical) | Myrtleville Post Office (historical) | Yazoo | Unknown | |
| Phoenix Post Office (historical) | Phoenix Post Office (historical) | Yazoo | Unknown | |
| Georgetown Post Office | Georgetown Post Office | Copiah | Unknown | |
| Tryus Post Office (historical) | Tryus Post Office (historical) | Lawrence | Unknown | |
| Caseyville Post Office (historical) | Caseyville Post Office (historical) | Lincoln | Unknown | |
| Alonzo Post Office (historical) | Alonzo Post Office (historical) | Rankin | Unknown | |
| Allgoods Post Office (historical) | Allgoods Post Office (historical) | Noxubee | Unknown | |
| Armitage Post Office (historical) | Armitage Post Office (historical) | Noxubee | Unknown | |
| Brazelia Post Office (historical) | Brazelia Post Office (historical) | Noxubee | Unknown | |
| Brooklyn Post Office (historical) | Brooklyn Post Office (historical) | Noxubee | Unknown | |
| Clearman Post Office (historical) | Clearman Post Office (historical) | Noxubee | Unknown | |
| Eli Post Office (historical) | Eli Post Office (historical) | Noxubee | Unknown | |
| Fairport Post Office (historical) | Fairport Post Office (historical) | Noxubee | Unknown | |
| Foxtrap Post Office (historical) | Foxtrap Post Office (historical) | Noxubee | Unknown | |
| Grantsville Post Office (historical) | Grantsville Post Office (historical) | Noxubee | Unknown | |
| Harlan Post Office (historical) | Harlan Post Office (historical) | Noxubee | Unknown | |
| Hashuqua Post Office (historical) | Hashuqua Post Office (historical) | Noxubee | Unknown | |
| Mohegan Post Office (historical) | Mohegan Post Office (historical) | Noxubee | Unknown | |
| Parkeville Post Office (historical) | Parkeville Post Office (historical) | Noxubee | Unknown | |
| Robys Store Post Office (historical) | Robys Store Post Office (historical) | Noxubee | Unknown | |
| Sunshine Post Office (historical) | Sunshine Post Office (historical) | Noxubee | Unknown | |
| Togo Post Office (historical) | Togo Post Office (historical) | Noxubee | Unknown | |
| Allen Post Office (historical) | Allen Post Office (historical) | Copiah | Unknown | |
| Ashley Post Office (historical) | Ashley Post Office (historical) | Copiah | Unknown | |
| Beauregard Post Office (historical) | Beauregard Post Office (historical) | Copiah | Unknown | |
| Biggs Post Office (historical) | Biggs Post Office (historical) | Copiah | Unknown | |
| Bowertown Post Office (historical) | Bowertown Post Office (historical) | Copiah | Unknown | |
| Browns Wells Post Office (historical) | Browns Wells Post Office (historical) | Copiah | Unknown | |
| Burnell Post Office (historical) | Burnell Post Office (historical) | Copiah | Unknown | |
| Carpenter Post Office (historical) | Carpenter Post Office (historical) | Copiah | Unknown | |
| Conn Post Office (historical) | Conn Post Office (historical) | Copiah | Unknown | |
| Coorshill Post Office (historical) | Coorshill Post Office (historical) | Copiah | Unknown | |
| Dentville Post Office (historical) | Dentville Post Office (historical) | Copiah | Unknown | |
| Dillard Post Office (historical) | Dillard Post Office (historical) | Copiah | Unknown | |
| Goza Post Office (historical) | Goza Post Office (historical) | Copiah | Unknown | |
| Homochitto Post Office (historical) | Homochitto Post Office (historical) | Copiah | Unknown | |
| Hunter Post Office (historical) | Hunter Post Office (historical) | Copiah | Unknown | |
| Maharris Post Office (historical) | Maharris Post Office (historical) | Copiah | Unknown | |
| Mizpah Post Office (historical) | Mizpah Post Office (historical) | Copiah | Unknown | |
| Nannye Post Office (historical) | Nannye Post Office (historical) | Copiah | Unknown | |
| Peetsville Post Office (historical) | Peetsville Post Office (historical) | Copiah | Unknown | |
| Rockport Post Office (historical) | Rockport Post Office (historical) | Copiah | Unknown | |
| Ruby Post Office (historical) | Ruby Post Office (historical) | Copiah | Unknown | |
| Spencer Post Office (historical) | Spencer Post Office (historical) | Copiah | Unknown | |
| Venus Post Office (historical) | Venus Post Office (historical) | Copiah | Unknown | |
| Willmore Post Office (historical) | Willmore Post Office (historical) | Copiah | Unknown | |
| Addison Post Office (historical) | Addison Post Office (historical) | Forrest | Unknown | |
| Catchings Post Office (historical) | Catchings Post Office (historical) | Sharkey | Unknown | |
| Delay Post Office (historical) | Delay Post Office (historical) | Lafayette | Unknown | |
| Dantzler Post Office (historical) | Dantzler Post Office (historical) | Jackson | Unknown | |
| Cypress Post Office (historical) | Cypress Post Office (historical) | Tate | Unknown | |
| Cumberland Post Office (historical) | Cumberland Post Office (historical) | Webster | Unknown | |
| Cottondale Post Office (historical) | Cottondale Post Office (historical) | Sunflower | Unknown | |
| Cooksville Post Office (historical) | Cooksville Post Office (historical) | Noxubee | Unknown | |
| Pea Ridge Post Office (historical) | Pea Ridge Post Office (historical) | Kemper | Unknown | |
| Clarksburg Post Office (historical) | Clarksburg Post Office (historical) | Rankin | Unknown | |
| Chiwappa Post Office (historical) | Chiwappa Post Office (historical) | Pontotoc | Unknown | |
| Cato Post Office (historical) | Cato Post Office (historical) | Rankin | Unknown | |
| Burgess Post Office (historical) | Burgess Post Office (historical) | Lafayette | Unknown | |
| Orwood Post Office (historical) | Orwood Post Office (historical) | Lafayette | Unknown | |
| Splinter Post Office (historical) | Splinter Post Office (historical) | Lafayette | Unknown | |
| Nick Post Office (historical) | Nick Post Office (historical) | Marshall | Unknown | |
| Newbell Post Office (historical) | Newbell Post Office (historical) | Warren | Unknown | |
| Engine Post Office (historical) | Engine Post Office (historical) | Neshoba | Unknown | |
| Sol Post Office (historical) | Sol Post Office (historical) | Neshoba | Unknown | |
| Fairground Post Office (historical) | Fairground Post Office (historical) | Neshoba | Unknown | |
| Trapp Post Office (historical) | Trapp Post Office (historical) | Neshoba | Unknown | |
| Hope Post Office (historical) | Hope Post Office (historical) | Neshoba | Unknown | |
| Waldo Post Office (historical) | Waldo Post Office (historical) | Neshoba | Unknown | |
| Laurelhill Post Office (historical) | Laurelhill Post Office (historical) | Neshoba | Unknown | |
| Jack Post Office (historical) | Jack Post Office (historical) | Copiah | Unknown | |
| Myles Post Office (historical) | Myles Post Office (historical) | Copiah | Unknown | |
| Bearcreek Post Office (historical) | Bearcreek Post Office (historical) | Hinds | Unknown | |
| Chapelhill Post Office (historical) | Chapelhill Post Office (historical) | Hinds | Unknown | |
| Duke Post Office (historical) | Duke Post Office (historical) | Hinds | Unknown | |
| Thompsonville Post Office (historical) | Thompsonville Post Office (historical) | Hinds | Unknown | |
| Banks Post Office (historical) | Banks Post Office (historical) | Tunica | Unknown | |
| Truitt Post Office (historical) | Truitt Post Office (historical) | Madison | Unknown | |
| Alphaba Post Office (historical) | Alphaba Post Office (historical) | DeSoto | Unknown | |
| Bright Post Office (historical) | Bright Post Office (historical) | DeSoto | Unknown | |
| Caldwell Post Office (historical) | Caldwell Post Office (historical) | DeSoto | Unknown | |
| Cedarview Post Office (historical) | Cedarview Post Office (historical) | DeSoto | Unknown | |
| Cockrum Post Office (historical) | Cockrum Post Office (historical) | DeSoto | Unknown | |
| Cublake Post Office (historical) | Cublake Post Office (historical) | DeSoto | Unknown | |
| Days Post Office (historical) | Days Post Office (historical) | DeSoto | Unknown | |
| Desoto Front Post Office (historical) | Desoto Front Post Office (historical) | DeSoto | Unknown | |
| Eudora Post Office (historical) | Eudora Post Office (historical) | DeSoto | Unknown | |
| Glover Post Office (historical) | Glover Post Office (historical) | DeSoto | Unknown | |
| Ingrams Mill Post Office (historical) | Ingrams Mill Post Office (historical) | DeSoto | Unknown | |
| Kelly Post Office (historical) | Kelly Post Office (historical) | DeSoto | Unknown | |
| Lake Cormorant Post Office | Lake Cormorant Post Office | DeSoto | Unknown | |
| Lake View Post Office (historical) | Lake View Post Office (historical) | DeSoto | Unknown | |
| Lewisburg Post Office (historical) | Lewisburg Post Office (historical) | DeSoto | Unknown | |
| Love Station Post Office (historical) | Love Station Post Office (historical) | DeSoto | Unknown | |
| Lynchburg Post Office (historical) | Lynchburg Post Office (historical) | DeSoto | Unknown | |
| Miller Post Office (historical) | Miller Post Office (historical) | DeSoto | Unknown | |
| Mussacunna Post Office (historical) | Mussacunna Post Office (historical) | DeSoto | Unknown | |
| Nesbitt Post Office (historical) | Nesbitt Post Office (historical) | DeSoto | Unknown | |
| Norfolk Post Office (historical) | Norfolk Post Office (historical) | DeSoto | Unknown | |
| Penton Post Office (historical) | Penton Post Office (historical) | DeSoto | Unknown | |
| Pleasanthill Post Office (historical) | Pleasanthill Post Office (historical) | DeSoto | Unknown | |
| Overpark Post Office (historical) | Overpark Post Office (historical) | DeSoto | Unknown | |
| Wooten Post Office (historical) | Wooten Post Office (historical) | DeSoto | Unknown | |
| Addine Post Office (historical) | Addine Post Office (historical) | Jasper | Unknown | |
| Alto Post Office (historical) | Alto Post Office (historical) | Jasper | Unknown | |
| Bay Springs Post Office | Bay Springs Post Office | Jasper | Unknown | |
| Cooley Post Office (historical) | Cooley Post Office (historical) | Jasper | Unknown | |
| Garlandville Post Office (historical) | Garlandville Post Office (historical) | Jasper | Unknown | |
| Gridley Post Office (historical) | Gridley Post Office (historical) | Jasper | Unknown | |
| Hamlet Post Office (historical) | Hamlet Post Office (historical) | Jasper | Unknown | |
| Heidelberg Post Office | Heidelberg Post Office | Jasper | Unknown | |
| Hosey Post Office (historical) | Hosey Post Office (historical) | Jasper | Unknown | |
| Lake Como Post Office (historical) | Lake Como Post Office (historical) | Jasper | Unknown | |
| Leonia Post Office (historical) | Leonia Post Office (historical) | Jasper | Unknown | |
| Louin Post Office | Louin Post Office | Jasper | Unknown | |
| Missionary Post Office (historical) | Missionary Post Office (historical) | Jasper | Unknown | |
| Montrose Post Office (historical) | Montrose Post Office (historical) | Jasper | Unknown | |
| New Post Office (historical) | New Post Office (historical) | Jasper | Unknown | |
| Otoe Post Office (historical) | Otoe Post Office (historical) | Jasper | Unknown | |
| Penantly Post Office (historical) | Penantly Post Office (historical) | Jasper | Unknown | |
| Ras Post Office (historical) | Ras Post Office (historical) | Jasper | Unknown | |
| Success Post Office (historical) | Success Post Office (historical) | Jasper | Unknown | |
| Text Post Office (historical) | Text Post Office (historical) | Jasper | Unknown | |
| Turnerville Post Office (historical) | Turnerville Post Office (historical) | Jasper | Unknown | |
| Vale Post Office (historical) | Vale Post Office (historical) | Jasper | Unknown | |
| Verba Post Office (historical) | Verba Post Office (historical) | Jasper | Unknown | |
| Vrue Post Office (historical) | Vrue Post Office (historical) | Jasper | Unknown | |
| Wadesboro Post Office (historical) | Wadesboro Post Office (historical) | Jasper | Unknown | |
| Weems Post Office (historical) | Weems Post Office (historical) | Jasper | Unknown | |
| Boykins Post Office (historical) | Boykins Post Office (historical) | Smith | Unknown | |
| Ford Post Office (historical) | Ford Post Office (historical) | Smith | Unknown | |
| Ted Post Office (historical) | Ted Post Office (historical) | Smith | Unknown | |
| Zula Post Office (historical) | Zula Post Office (historical) | Smith | Unknown | |
| Battlefield Post Office (historical) | Battlefield Post Office (historical) | Newton | Unknown | |
| Roscoe Post Office (historical) | Roscoe Post Office (historical) | Newton | Unknown | |
| Africa Post Office (historical) | Africa Post Office (historical) | Coahoma | Unknown | |
| Durham Post Office (historical) | Durham Post Office (historical) | Coahoma | Unknown | |
| Gerald Post Office (historical) | Gerald Post Office (historical) | Coahoma | Unknown | |
| Traynham Post Office (historical) | Traynham Post Office (historical) | Coahoma | Unknown | |
| Mooretown Post Office (historical) | Mooretown Post Office (historical) | DeSoto | Unknown | |
| Deasonville Post Office (historical) | Deasonville Post Office (historical) | Yazoo | Unknown | |
| Willing Post Office (historical) | Willing Post Office (historical) | Copiah | Unknown | |
| Ipse Post Office (historical) | Ipse Post Office (historical) | Forrest | Unknown | |
| Ideal Post Office (historical) | Ideal Post Office (historical) | Forrest | Unknown | |
| Stump Post Office (historical) | Stump Post Office (historical) | Forrest | Unknown | |
| Fort Bayou Post Office (historical) | Fort Bayou Post Office (historical) | Jackson | Unknown | |
| Elders Ferry Post Office (historical) | Elders Ferry Post Office (historical) | Jackson | Unknown | |
| Fairley Post Office (historical) | Fairley Post Office (historical) | George | Unknown | |
| Perkinsville Post Office (historical) | Perkinsville Post Office (historical) | Winston | Unknown | |
| Fearns Springs Post Office (historical) | Fearns Springs Post Office (historical) | Winston | Unknown | |
| Ophelia Post Office (historical) | Ophelia Post Office (historical) | Rankin | Unknown | |
| Shoccoe Post Office (historical) | Shoccoe Post Office (historical) | Madison | Unknown | |
| Fair River Post Office (historical) | Fair River Post Office (historical) | Lincoln | Unknown | |
| Evergreen Post Office (historical) | Evergreen Post Office (historical) | Itawamba | Unknown | |
| Ballardsville Post Office (historical) | Ballardsville Post Office (historical) | Itawamba | Unknown | |
| Heathman Post Office (historical) | Heathman Post Office (historical) | Sunflower | Unknown | |
| Thyatira Post Office (historical) | Thyatira Post Office (historical) | Tate | Unknown | |
| Barr Post Office (historical) | Barr Post Office (historical) | Tate | Unknown | |
| Bet Post Office (historical) | Bet Post Office (historical) | Tate | Unknown | |
| Bowman Post Office (historical) | Bowman Post Office (historical) | Tate | Unknown | |
| Improve Post Office (historical) | Improve Post Office (historical) | Marion | Unknown | |
| Kincaid Post Office (historical) | Kincaid Post Office (historical) | Grenada | Unknown | |
| Torrance Post Office (historical) | Torrance Post Office (historical) | Yalobusha | Unknown | |
| Catahoula Post Office (historical) | Catahoula Post Office (historical) | Hancock | Unknown | |
| Fenton Post Office (historical) | Fenton Post Office (historical) | Hancock | Unknown | |
| Kewanee Post Office (historical) | Kewanee Post Office (historical) | Lauderdale | Unknown | |
| Keownville Post Office (historical) | Keownville Post Office (historical) | Union | Unknown | |
| Molino Post Office (historical) | Molino Post Office (historical) | Union | Unknown | |
| Bluff Post Office (historical) | Bluff Post Office (historical) | Tippah | Unknown | |
| Dryrun Post Office (historical) | Dryrun Post Office (historical) | Prentiss | Unknown | |
| Blackland Post Office (historical) | Blackland Post Office (historical) | Prentiss | Unknown | |
| Eulogy Post Office (historical) | Eulogy Post Office (historical) | Holmes | Unknown | |
| Tolarville Post Office (historical) | Tolarville Post Office (historical) | Holmes | Unknown | |
| Howard Post Office (historical) | Howard Post Office (historical) | Holmes | Unknown | |
| Moseley Post Office (historical) | Moseley Post Office (historical) | Rankin | Unknown | |
| Lynwood Post Office (historical) | Lynwood Post Office (historical) | Rankin | Unknown | |
| Johns Post Office (historical) | Johns Post Office (historical) | Rankin | Unknown | |
| Berclair Post Office (historical) | Berclair Post Office (historical) | Leflore | Unknown | |
| Sheppardtown Post Office (historical) | Sheppardtown Post Office (historical) | Leflore | Unknown | |
| Looxahoma Post Office (historical) | Looxahoma Post Office (historical) | Tate | Unknown | |
| Adaton Post Office (historical) | Adaton Post Office (historical) | Oktibbeha | Unknown | |
| Longview Post Office (historical) | Longview Post Office (historical) | Oktibbeha | Unknown | |
| Crockett Post Office (historical) | Crockett Post Office (historical) | Tate | Unknown | |
| Eckles Post Office (historical) | Eckles Post Office (historical) | Tate | Unknown | |
| Parksplace Post Office (historical) | Parksplace Post Office (historical) | Panola | Unknown | |
| Minerva Post Office (historical) | Minerva Post Office (historical) | Montgomery | Unknown | |
| Lodi Post Office (historical) | Lodi Post Office (historical) | Montgomery | Unknown | |
| Laura Post Office (historical) | Laura Post Office (historical) | Montgomery | Unknown | |
| Little Springs Post Office (historical) | Little Springs Post Office (historical) | Franklin | Unknown | |
| Zion Post Office (historical) | Zion Post Office (historical) | Leake | Unknown | |
| Singleton Post Office (historical) | Singleton Post Office (historical) | Winston | Unknown | |
| Cedar Creek Post Office (historical) | Cedar Creek Post Office (historical) | Lowndes | Unknown | |
| Columbus Post Office | Columbus Post Office | Lowndes | 174 | Columbus South |
| Crawford Post Office | Crawford Post Office | Lowndes | 308 | Crawford East |
| Plymouth Post Office (historical) | Plymouth Post Office (historical) | Lowndes | Unknown | |
| Siwel Post Office (historical) | Siwel Post Office (historical) | Hinds | Unknown | |
| Ingomar Post Office (historical) | Ingomar Post Office (historical) | Union | Unknown | |
| Wallerville Post Office (historical) | Wallerville Post Office (historical) | Union | Unknown | |
| Centralgrove Post Office (historical) | Centralgrove Post Office (historical) | Monroe | Unknown | |
| Bigbee Post Office (historical) | Bigbee Post Office (historical) | Monroe | Unknown | |
| Buck Post Office (historical) | Buck Post Office (historical) | Itawamba | Unknown | |
| Arm Post Office (historical) | Arm Post Office (historical) | Lawrence | Unknown | |
| Hooker Post Office (historical) | Hooker Post Office (historical) | Lawrence | Unknown | |
| Marksville Post Office (historical) | Marksville Post Office (historical) | Holmes | Unknown | |
| Millview Post Office (historical) | Millview Post Office (historical) | Stone | Unknown | |
| Erin Post Office (historical) | Erin Post Office (historical) | Calhoun | Unknown | |
| Abbott Post Office (historical) | Abbott Post Office (historical) | Clay | Unknown | |
| Big Springs Post Office (historical) | Big Springs Post Office (historical) | Clay | Unknown | |
| Montpelier Post Office | Montpelier Post Office | Clay | 299 | Montpelier |
| Pinebluff Post Office (historical) | Pinebluff Post Office (historical) | Clay | Unknown | |
| Dalton Post Office (historical) | Dalton Post Office (historical) | Webster | Unknown | |
| Cary Post Office | Cary Post Office | Sharkey | Unknown | |
| Mantee Post Office | Mantee Post Office | Webster | Unknown | |
| Sylvarena Post Office | Sylvarena Post Office | Smith | Unknown | |
| Toccopola Post Office | Toccopola Post Office | Pontotoc | Unknown | |
| Franklin Post Office (historical) | Franklin Post Office (historical) | Holmes | Unknown | |
| Kenwood Post Office (historical) | Kenwood Post Office (historical) | Washington | Unknown | |
| Adams Station Post Office (historical) | Adams Station Post Office (historical) | Hinds | Unknown | |
| Blackwater Post Office (historical) | Blackwater Post Office (historical) | Lafayette | Unknown | |
| Lawshill Post Office (historical) | Lawshill Post Office (historical) | Marshall | Unknown | |
| Glaston Post Office (historical) | Glaston Post Office (historical) | Jones | Unknown | |
| Hazeldell Post Office (historical) | Hazeldell Post Office (historical) | Prentiss | Unknown | |
| Kirkville Post Office (historical) | Kirkville Post Office (historical) | Itawamba | Unknown | |
| Crottstown Post Office (historical) | Crottstown Post Office (historical) | Jones | Unknown | |
| Norrell Post Office (historical) | Norrell Post Office (historical) | Hinds | Unknown | |
| Youngton Post Office (historical) | Youngton Post Office (historical) | Warren | Unknown | |
| Keel Post Office (historical) | Keel Post Office (historical) | Lafayette | Unknown | |
| Noah Post Office (historical) | Noah Post Office (historical) | Lafayette | Unknown | |
| Caswell Post Office (historical) | Caswell Post Office (historical) | Lafayette | Unknown | |
| Kilgore Post Office (historical) | Kilgore Post Office (historical) | Lafayette | Unknown | |
| Raworth Post Office (historical) | Raworth Post Office (historical) | Scott | Unknown | |
| Waits Post Office (historical) | Waits Post Office (historical) | Marshall | Unknown | |
| Reids Switch Post Office (historical) | Reids Switch Post Office (historical) | Benton | Unknown | |
| Post Post Office (historical) | Post Post Office (historical) | Lauderdale | Unknown | |
| Poplarville Post Office | Poplarville Post Office | Pearl River | 331 | Poplarville |
| Derby Post Office (historical) | Derby Post Office (historical) | Pearl River | Unknown | |
| Polkville Post Office (historical) | Polkville Post Office (historical) | Smith | Unknown | |
| Greene Crossing Post Office (historical) | Greene Crossing Post Office (historical) | Hinds | Unknown | |
| Rockwall Post Office (historical) | Rockwall Post Office (historical) | Union | Unknown | |
| Ballentine Post Office (historical) | Ballentine Post Office (historical) | Panola | Unknown | |
| Klein Post Office (historical) | Klein Post Office (historical) | Smith | Unknown | |
| Pinebur Post Office (historical) | Pinebur Post Office (historical) | Marion | Unknown | |
| Trimcane Post Office (historical) | Trimcane Post Office (historical) | Oktibbeha | Unknown | |
| Gossett Post Office (historical) | Gossett Post Office (historical) | Tippah | Unknown | |
| Paynes Post Office (historical) | Paynes Post Office (historical) | Tallahatchie | Unknown | |
| Valley Park Post Office | Valley Park Post Office | Issaquena | 102 | Valley Park |
| Tinsley Post Office | Tinsley Post Office | Yazoo | 161 | Tinsley |
| Cleveland Post Office | Cleveland Post Office | Bolivar | 141 | Cleveland |
| Picayune Post Office | Picayune Post Office | Pearl River | 66 | Picayune |
| Cynthia Post Office (historical) | Cynthia Post Office (historical) | Hinds | Unknown | |
| Orizaba Post Office (historical) | Orizaba Post Office (historical) | Tippah | Unknown | |
| Clarysville Post Office (historical) | Clarysville Post Office (historical) | Tippah | Unknown | |
| Judah Post Office (historical) | Judah Post Office (historical) | Pontotoc | Unknown | |
| Robbs Post Office (historical) | Robbs Post Office (historical) | Pontotoc | Unknown | |
| Matthews Post Office (historical) | Matthews Post Office (historical) | Pontotoc | Unknown | |
| Rodney Post Office (historical) | Rodney Post Office (historical) | Jefferson | Unknown | |
| Ruth Post Office (historical) | Ruth Post Office (historical) | Lincoln | Unknown | |
| Wellman Post Office (historical) | Wellman Post Office (historical) | Lincoln | Unknown | |
| Westside Post Office (historical) | Westside Post Office (historical) | Claiborne | Unknown | |
| McIvor Post Office (historical) | McIvor Post Office (historical) | Panola | Unknown | |
| Wallace Post Office (historical) | Wallace Post Office (historical) | Panola | Unknown | |
| Central Academy Post Office (historical) | Central Academy Post Office (historical) | Panola | Unknown | |
| Pluto Post Office (historical) | Pluto Post Office (historical) | Holmes | Unknown | |
| Roseneath Post Office (historical) | Roseneath Post Office (historical) | Holmes | Unknown | |
| Lamkin Post Office (historical) | Lamkin Post Office (historical) | Humphreys | Unknown | |
| Chaparral Post Office (historical) | Chaparral Post Office (historical) | Wayne | Unknown | |
| Hiwannee Post Office (historical) | Hiwannee Post Office (historical) | Wayne | Unknown | |
| Bush Post Office (historical) | Bush Post Office (historical) | Simpson | Unknown | |
| Westville Post Office (historical) | Westville Post Office (historical) | Simpson | Unknown | |
| Boggan Post Office (historical) | Boggan Post Office (historical) | Simpson | Unknown | |
| Shivers Post Office (historical) | Shivers Post Office (historical) | Simpson | Unknown | |
| Helm Post Office (historical) | Helm Post Office (historical) | Washington | Unknown | |
| Riceville Post Office (historical) | Riceville Post Office (historical) | Harrison | Unknown | |
| Hays Post Office (historical) | Hays Post Office (historical) | Scott | Unknown | |
| Hardy Station Post Office (historical) | Hardy Station Post Office (historical) | Grenada | Unknown | |
| Pokal Post Office (historical) | Pokal Post Office (historical) | Simpson | Unknown | |
| Waugh Post Office (historical) | Waugh Post Office (historical) | Attala | 269 | Newport |
| Weeks Post Office (historical) | Weeks Post Office (historical) | Attala | 348 | McAdams |
| Zilpha Post Office (historical) | Zilpha Post Office (historical) | Attala | 331 | Poplar Creek |
| Bolton Post Office | Bolton Post Office | Hinds | 220 | Raymond |
| Clinton Post Office | Clinton Post Office | Hinds | 328 | Clinton |
| Jackson Post Office | Jackson Post Office | Hinds | 285 | Jackson |
| Pocahontas Post Office | Pocahontas Post Office | Hinds | 239 | Pocahontas |
| Raymond Post Office | Raymond Post Office | Hinds | 322 | Raymond |
| Terry Post Office | Terry Post Office | Hinds | 302 | Terry |
| Anchor Post Office (historical) | Anchor Post Office (historical) | Chickasaw | Unknown | |
| Atlanta Post Office (historical) | Atlanta Post Office (historical) | Chickasaw | Unknown | |
| Bowles Post Office (historical) | Bowles Post Office (historical) | Chickasaw | Unknown | |
| Brevard Post Office (historical) | Brevard Post Office (historical) | Chickasaw | Unknown | |
| Chewana Post Office (historical) | Chewana Post Office (historical) | Chickasaw | Unknown | |
| Chickasaw Mills Post Office (historical) | Chickasaw Mills Post Office (historical) | Chickasaw | Unknown | |
| Chico Post Office (historical) | Chico Post Office (historical) | Chickasaw | Unknown | |
| Coleville Post Office (historical) | Coleville Post Office (historical) | Chickasaw | Unknown | |
| Congress Post Office (historical) | Congress Post Office (historical) | Chickasaw | Unknown | |
| Dicks Post Office (historical) | Dicks Post Office (historical) | Chickasaw | Unknown | |
| Dix Creek Post Office (historical) | Dix Creek Post Office (historical) | Chickasaw | Unknown | |
| Elise Post Office (historical) | Elise Post Office (historical) | Chickasaw | Unknown | |
| Florence Post Office (historical) | Florence Post Office (historical) | Chickasaw | Unknown | |
| Friendship Post Office (historical) | Friendship Post Office (historical) | Chickasaw | Unknown | |
| Green Plains Post Office (historical) | Green Plains Post Office (historical) | Chickasaw | Unknown | |
| Hawkins Post Office (historical) | Hawkins Post Office (historical) | Chickasaw | Unknown | |
| Hayti Post Office (historical) | Hayti Post Office (historical) | Chickasaw | Unknown | |
| Holladay Post Office (historical) | Holladay Post Office (historical) | Chickasaw | Unknown | |
| Houston Post Office | Houston Post Office | Chickasaw | 344 | Houston West |
| Irene Post Office (historical) | Irene Post Office (historical) | Chickasaw | Unknown | |
| Jolly Post Office (historical) | Jolly Post Office (historical) | Chickasaw | Unknown | |
| Leotis Post Office (historical) | Leotis Post Office (historical) | Chickasaw | Unknown | |
| Lundy Post Office (historical) | Lundy Post Office (historical) | Chickasaw | Unknown | |
| Luster Post Office (historical) | Luster Post Office (historical) | Chickasaw | Unknown | |
| Neals Post Office (historical) | Neals Post Office (historical) | Chickasaw | Unknown | |
| New York Post Office (historical) | New York Post Office (historical) | Chickasaw | Unknown | |
| Pandora Post Office (historical) | Pandora Post Office (historical) | Chickasaw | Unknown | |
| Prairie Mount Post Office (historical) | Prairie Mount Post Office (historical) | Chickasaw | Unknown | |
| Ridge Post Office (historical) | Ridge Post Office (historical) | Chickasaw | Unknown | |
| Ruggs Post Office (historical) | Ruggs Post Office (historical) | Chickasaw | Unknown | |
| Schooner Post Office (historical) | Schooner Post Office (historical) | Chickasaw | Unknown | |
| Sonora Post Office (historical) | Sonora Post Office (historical) | Chickasaw | Unknown | |
| Sycamore Post Office (historical) | Sycamore Post Office (historical) | Chickasaw | Unknown | |
| Tabbville Post Office (historical) | Tabbville Post Office (historical) | Chickasaw | Unknown | |
| Thelma Post Office (historical) | Thelma Post Office (historical) | Chickasaw | Unknown | |
| Thorn Post Office (historical) | Thorn Post Office (historical) | Chickasaw | Unknown | |
| Trebloc Post Office | Trebloc Post Office | Chickasaw | 322 | Trebloc |
| Van Vleet Post Office | Van Vleet Post Office | Chickasaw | 374 | Houston East |
| Woodland Post Office | Woodland Post Office | Chickasaw | Unknown | |
| Yellow Bush Post Office (historical) | Yellow Bush Post Office (historical) | Chickasaw | Unknown | |
| Biloxi Post Office | Biloxi Post Office | Harrison | 20 | Biloxi |
| Ocean Springs Post Office | Ocean Springs Post Office | Jackson | 20 | Ocean Springs |
| Clarksdale Post Office | Clarksdale Post Office | Coahoma | 171 | Clarksdale |
| Bay Saint Louis Post Office | Bay Saint Louis Post Office | Hancock | 20 | Bay Saint Louis |
| Waveland Post Office | Waveland Post Office | Hancock | 16 | Bay Saint Louis |
| Nanahuma Post Office (historical) | Nanahuma Post Office (historical) | Newton | 364 | Duffee |
| Katie Post Office (historical) | Katie Post Office (historical) | Covington | 453 | Seminary |
| Sitka Post Office (historical) | Sitka Post Office (historical) | Covington | 367 | Seminary |
| Welch Post Office (historical) | Welch Post Office (historical) | Covington | 335 | Hot Coffee |
| Barnes Store Post Office (historical) | Barnes Store Post Office (historical) | Tishomingo | 456 | Paden SE |
| Burnt Mills Post Office (historical) | Burnt Mills Post Office (historical) | Tishomingo | 604 | Paden |
| Coke Post Office (historical) | Coke Post Office (historical) | Tishomingo | 427 | Red Bay |
| Hillside Post Office (historical) | Hillside Post Office (historical) | Tishomingo | 482 | Paden SE |
| Hunt Post Office (historical) | Hunt Post Office (historical) | Tishomingo | 410 | Paden SE |
| Mann Post Office (historical) | Mann Post Office (historical) | Tishomingo | 518 | Belmont |
| Merora Post Office (historical) | Merora Post Office (historical) | Tishomingo | 587 | Red Bay |
| Tynes Post Office (historical) | Tynes Post Office (historical) | Tishomingo | 400 | Paden SE |
| Cecil Post Office (historical) | Cecil Post Office (historical) | Attala | Unknown | |
| Commodore Post Office (historical) | Commodore Post Office (historical) | Attala | 479 | Ethel SE |
| Creek Post Office (historical) | Creek Post Office (historical) | Attala | Unknown | |
| Cuba Post Office (historical) | Cuba Post Office (historical) | Attala | Unknown | |
| Eades Post Office (historical) | Eades Post Office (historical) | Attala | Unknown | |
| Fancher Post Office (historical) | Fancher Post Office (historical) | Attala | Unknown | |
| Healds Post Office (historical) | Healds Post Office (historical) | Attala | Unknown | |
| Heath Post Office (historical) | Heath Post Office (historical) | Attala | 374 | Kosciusko NE |
| Higgins Post Office (historical) | Higgins Post Office (historical) | Attala | 400 | Kosciusko |
| Hughes Post Office (historical) | Hughes Post Office (historical) | Attala | Unknown | |
| Kellys Crossing Post Office (historical) | Kellys Crossing Post Office (historical) | Attala | Unknown | |
| Lily Post Office (historical) | Lily Post Office (historical) | Attala | Unknown | |
| Lobutcha Post Office (historical) | Lobutcha Post Office (historical) | Attala | Unknown | |
| Mitchells Mill Post Office (historical) | Mitchells Mill Post Office (historical) | Attala | Unknown | |
| Newtonville Station Post Office (historical) | Newtonville Station Post Office (historical) | Attala | Unknown | |
| Pansy Post Office (historical) | Pansy Post Office (historical) | Attala | Unknown | |
| Peelers Mill Post Office (historical) | Peelers Mill Post Office (historical) | Attala | Unknown | |
| Ratta Post Office (historical) | Ratta Post Office (historical) | Attala | Unknown | |
| Riley Post Office (historical) | Riley Post Office (historical) | Attala | Unknown | |
| Sims Post Office (historical) | Sims Post Office (historical) | Attala | Unknown | |
| Tebo Post Office (historical) | Tebo Post Office (historical) | Attala | Unknown | |
| Tolerton Post Office (historical) | Tolerton Post Office (historical) | Attala | Unknown | |
| Turkey Post Office (historical) | Turkey Post Office (historical) | Attala | 469 | Ethel South |
| Tyro Post Office (historical) | Tyro Post Office (historical) | Tate | Unknown | |
| Harmontown Post Office (historical) | Harmontown Post Office (historical) | Lafayette | Unknown | |
| Piera Post Office (historical) | Piera Post Office (historical) | Lafayette | Unknown | |
| Riggins Post Office (historical) | Riggins Post Office (historical) | Monroe | Unknown | |
| Dallas Post Office (historical) | Dallas Post Office (historical) | Lafayette | Unknown | |
| Bourbon Post Office (historical) | Bourbon Post Office (historical) | Washington | Unknown | |
| Topeka Post Office (historical) | Topeka Post Office (historical) | Lawrence | Unknown | |
| Lockhart Post Office (historical) | Lockhart Post Office (historical) | Lauderdale | Unknown | |
| Topton Post Office (historical) | Topton Post Office (historical) | Lauderdale | Unknown | |
| Russell Post Office (historical) | Russell Post Office (historical) | Lauderdale | Unknown | |
| Bankston Post Office (historical) | Bankston Post Office (historical) | Choctaw | Unknown | |
| Rexford Post Office (historical) | Rexford Post Office (historical) | Simpson | Unknown | |
| Gama Post Office (historical) | Gama Post Office (historical) | Simpson | Unknown | |
| Mudcreek Post Office (historical) | Mudcreek Post Office (historical) | Pontotoc | Unknown | |
| Pannell Post Office (historical) | Pannell Post Office (historical) | Pontotoc | Unknown | |
| Bounds Post Office (historical) | Bounds Post Office (historical) | Calhoun | Unknown | |
| Loyd Post Office (historical) | Loyd Post Office (historical) | Calhoun | Unknown | |
| Stamper Post Office (historical) | Stamper Post Office (historical) | Newton | Unknown | |
| Vimville Post Office (historical) | Vimville Post Office (historical) | Lauderdale | Unknown | |
| Increase Post Office (historical) | Increase Post Office (historical) | Lauderdale | Unknown | |
| Enzor Post Office (historical) | Enzor Post Office (historical) | Lauderdale | Unknown | |
| Coopwood Post Office (historical) | Coopwood Post Office (historical) | Winston | Unknown | |
| Coy Post Office (historical) | Coy Post Office (historical) | Neshoba | Unknown | |
| Wallhill Post Office (historical) | Wallhill Post Office (historical) | Marshall | Unknown | |
| Orion Post Office (historical) | Orion Post Office (historical) | Marshall | Unknown | |
| Chulahoma Post Office (historical) | Chulahoma Post Office (historical) | Marshall | Unknown | |
| Wakefield Post Office (historical) | Wakefield Post Office (historical) | Tate | Unknown | |
| Wortham Post Office (historical) | Wortham Post Office (historical) | Harrison | Unknown | |
| Nanachehaw Post Office (historical) | Nanachehaw Post Office (historical) | Warren | Unknown | |
| Hankinson Post Office (historical) | Hankinson Post Office (historical) | Claiborne | Unknown | |
| Tenmile Post Office (historical) | Tenmile Post Office (historical) | Stone | Unknown | |
| Whynot Post Office (historical) | Whynot Post Office (historical) | Lauderdale | Unknown | |
| Yellow Rabbit Post Office (historical) | Yellow Rabbit Post Office (historical) | Benton | Unknown | |
| Spight Post Office (historical) | Spight Post Office (historical) | Benton | Unknown | |
| Thomasville Post Office (historical) | Thomasville Post Office (historical) | Rankin | Unknown | |
| Pat Post Office (historical) | Pat Post Office (historical) | Rankin | Unknown | |
| Galilee Post Office (historical) | Galilee Post Office (historical) | Rankin | Unknown | |
| Logtown Post Office (historical) | Logtown Post Office (historical) | Hancock | Unknown | |
| Napoleon Post Office (historical) | Napoleon Post Office (historical) | Hancock | Unknown | |
| Line Creek Post Office (historical) | Line Creek Post Office (historical) | Webster | Unknown | |
| Spring Creek Post Office (historical) | Spring Creek Post Office (historical) | Webster | Unknown | |
| Anderson Post Office (historical) | Anderson Post Office (historical) | Webster | Unknown | |
| Calooga Post Office (historical) | Calooga Post Office (historical) | Webster | Unknown | |
| Fay Post Office (historical) | Fay Post Office (historical) | Webster | Unknown | |
| Cooke Post Office (historical) | Cooke Post Office (historical) | Webster | Unknown | |
| Cohen Post Office (historical) | Cohen Post Office (historical) | Webster | Unknown | |
| Glen Post Office | Glen Post Office | Alcorn | 502 | Glens |
| Indianola Post Office | Indianola Post Office | Sunflower | 125 | Indianola |
| Coopolis Post Office (historical) | Coopolis Post Office (historical) | Harrison | Unknown | |
| Mammoth Springs Post Office (historical) | Mammoth Springs Post Office (historical) | Forrest | Unknown | |
| Seashore Post Office (historical) | Seashore Post Office (historical) | Harrison | Unknown | |
| Jeffries Post Office (historical) | Jeffries Post Office (historical) | Coahoma | Unknown | |
| Holly Springs Post Office | Holly Springs Post Office | Marshall | 604 | Holly Springs |
| Magee Post Office | Magee Post Office | Simpson | 430 | Magee South |
| Breckville Post Office (historical) | Breckville Post Office (historical) | Madison | Unknown | |
| Mississippi State Post Office | Mississippi State Post Office | Oktibbeha | 272 | Starkville |
| Minden Post Office (historical) | Minden Post Office (historical) | Kemper | Unknown | |
| Horn Lake Post Office | Horn Lake Post Office | DeSoto | 279 | Horn Lake |
| Reform Post Office (historical) | Reform Post Office (historical) | Choctaw | Unknown | |
| Gulfport Post Office Main Branch | Gulfport Post Office Main Branch | Harrison | 16 | Gulfport South |
| Lumberton Post Office | Lumberton Post Office | Lamar | 292 | Lumberton |
| North Bay D'Iberville Post Office | North Bay D'Iberville Post Office | Harrison | 16 | Biloxi |
| Bassfield Post Office | Bassfield Post Office | Jefferson Davis | 459 | Bassfield |
| Escatawpa Post Office | Escatawpa Post Office | Jackson | 10 | Pascagoula North |
| Gautier Post Office | Gautier Post Office | Jackson | 10 | Gautier North |
| Keesler Air Force Base Post Office | Keesler Air Force Base Post Office | Harrison | 20 | Biloxi |
| Kokomo Post Office | Kokomo Post Office | Marion | 335 | Kokomo |
| McNeill Post Office | McNeill Post Office | Pearl River | 236 | McNeill |
| Sumrall Post Office | Sumrall Post Office | Lamar | 285 | Sumrall |
| Moss Point Post Office | Moss Point Post Office | Jackson | 7 | Pascagoula North |
| East Station Post Office | East Station Post Office | Harrison | 26 | Gulfport North |
| McLain Post Office | McLain Post Office | Greene | 75 | McLain |
| Kiln Post Office | Kiln Post Office | Hancock | 16 | Kiln |
| Long Beach Post Office | Long Beach Post Office | Harrison | 26 | Pass Christian |
| Richton Post Office | Richton Post Office | Perry | 161 | Richton |
| Gulfport Post Office | Gulfport Post Office | Harrison | 33 | Gulfport North |
| Saucier Post Office | Saucier Post Office | Harrison | 157 | McHenry |
| Foxworth Post Office | Foxworth Post Office | Marion | 154 | Columbia South |
| Leakesville Post Office | Leakesville Post Office | Greene | 102 | Leakesville |
| West Biloxi Post Office | West Biloxi Post Office | Harrison | 30 | Biloxi |
| Pascagoula Post Office | Pascagoula Post Office | Jackson | 13 | Pascagoula South |
| Pass Christian Post Office | Pass Christian Post Office | Harrison | 10 | Pass Christian |
| McHenry Post Office | McHenry Post Office | Stone | 253 | McHenry |
| Purvis Post Office | Purvis Post Office | Lamar | 374 | Purvis |
| Vancleave Post Office | Vancleave Post Office | Jackson | 20 | Vancleave |
| Lucedale Post Office | Lucedale Post Office | George | 269 | Lucedale |
| Petal Post Office | Petal Post Office | Forrest | 154 | Hattiesburg |
| De Kalb Post Ofice | De Kalb Post Ofice | Kemper | 420 | De Kalb |
| Canton Post Office | Canton Post Office | Madison | 230 | Canton |