County seats are displayed in UPPER CASE. Note: Information about zip codes, territorials, markings, etc. have been moved to detail pages for places that have links.
| Post Office | County | Dates of Service |
|---|---|---|
| Aaron | Bates | 1895-1933 |
| Abadyl | Christian | 1895-1919 |
| Abattis | Warren | 1878-1904 |
| Abbott | Greene | 1878-1904 |
| Abells | Ralls | 1856-1858 |
| Aberdeen | Pike | 1871-1879, 1890-1907 |
| Abernathy | Perry | 1834-1836, 1866-1873 |
| Abesville | Stone | 1906-1914 |
| Abo | Mc Donald | 1882-1886 |
| Abo | Laclede | 1893-1940 |
| Abraham | Greene | 1857-1905 |
| Acasto | Clark | 1857-1905 |
| Acme | Clay | 1882-1900 |
| Acorn | Ripley | 1902-1937 |
| Acorn Ridge | Stoddard | 1860-1864, 1868, 1879-1909 |
| Ada | Ray | 1864-1873 |
| Ada | Taney | 1904-1907 |
| Adair | Adair | 1878-1900 |
| Adam | Washington | 1907-1913 |
| Adams | Buchanan | 1889-1900 |
| Adamsburg | Gasconade | 1848-1853 |
| Adelaide | Miller | 1880-1885 |
| Adelaide | Wayne | 1890 |
| Adelbert | Washington | 1922-1925 |
| Adell | Mercer | 1874-1904 |
| Adelphos | Saline | 1899 |
| Aderton | Scott | 1883-1884 |
| Adkins | Nodaway | 1899-1900 |
| Adolph | Osage | 1903-1904 |
| Adonis | Polk | 1895-1935 |
| Adox | Mercer | 1884-1886 |
| Adrian | Bates | 1880-Present |
| Advance | Stoddard | 1882-Present |
| Affton | Saint Louis | 1876-1902, 1906-1939 |
| Agee | Andrew | 1894-1897 |
| Agency | Buchanan | 1872-Present |
| Agnes | Laclede | 1896-1933 |
| Aholt | Chariton | 1900-1940 |
| Aid | Stoddard | 1904-1949 |
| Air | Lafayette | 1852-UNK |
| Air | Johnson | UNK-1856 |
| Aisle | Christian | 1888-1900 |
| Aix | Barry | 1896-1900 |
| Akard | Cedar | 1890-1907 |
| Akers | Shannon | 1884-1965 |
| Akinsville | Morgan | 1880-1920 |
| Akron | Harrison | 1861-1908 |
| Alamode | Reynolds | 1846-1867, 1871-1909 |
| Alanthus Grove | Gentry | 1855-1906 |
| Alba | Jasper | 1860-1863, 1868-Present |
| ALBANY | Gentry | 1857-Present |
| Alberta | Miller | 1880-1883 |
| Alberta | Henry | 1884-1901 |
| Albina | Howell | 1872-1883 |
| Alcora | Newton | 1899-1901 |
| Aldrich | Polk | 1886-Present |
| Alecto | Atchison | 1855-1857 |
| Alexander’s Mills | Benton | 1860-1862 |
| Alexandria | Lincoln | 1823-1829E |
| Alexandria | Clark | 1841-Present |
| Algire | Washington | 1904-1931 |
| Alhambra | Stoddard | 1902-1909 |
| Alice | Cedar | 1869-1874, 1879-1880 |
| Alice | Texas | 1886-1927 |
| All | Webster | 1899-1905 |
| Allbright | Madison | 1905-1941 |
| Allen | Randolph | 1857-1869 |
| Allen’s Landing | Perry | 1862-1869 |
| Allena | Atchison | 1858-1859 |
| Allendale | Gentry | 1856-1861 |
| Allendale | Worth | 1861-Present |
| Allenton | Saint Louis | 1853-Present |
| Allenville | Cape Girardeau | 1869-1874 |
| Alley | Shannon | 1884-1950 |
| Alley Spring | Shannon | 1950-1974 |
| Alliance | Bollinger | 1889-1953 |
| Allison | Nodaway | 1883-1901 |
| Alma | Wright | 1855-1863, 1876-1877 |
| Alma | Webster | 1872-1875 |
| Alma | Lafayette | 1879-Present |
| Alma Mine | Christian | 1878-1882 |
| Almartha | Ozark | 1855-1856, 1860-1865, 1872-1969 |
| Almeda | Newton | 1858-1863, 1867-1872 |
| Almon | Hickory | 1883-1922 |
| Alpha | Grundy | 1856-1904 |
| Alsup | Greene | 1894-1906 |
| Alta Vista | Daviess | 1865-1866, 1869-1905 |
| Altamont | Daviess | 1890-Present |
| Altenburg | Perry | 1854-Present |
| Altha | Stoddard | 1868-1872 |
| Althea | Ozark | 1921-1926 |
| Altheim | Saint Louis | 1884-1886, 1889-1904 |
| Althorpe | Linn | 1887-1889 |
| ALTON | Oregon | 1860-Present |
| Altona | Bates | 1868-1920 |
| Alvarado | Mc Donald | 1903-1904 |
| Alvin | Morgan | 1899-1901 |
| Alvord | Mercer | 1885-1888, 1890-1910 |
| Amanda | Crawford | 1857-1860 |
| Amazonia | Andrew | 1859-1865, 1867-Present |
| Ambrose | Ozark | 1880-1895, 1898-1899 |
| Ameera | Taney | 1903-1906 |
| Americus | Montgomery | 1867-1959 |
| Ameryville | Carroll | 1879-1883 |
| Amity | De Kalb | 1872-Present |
| Amoret | Bates | 1885-Present |
| Amos | Harrison | 1873-1878 |
| Amos | Vernon | 1893-1931 |
| Amsterdam | Bates | 1892-Present |
| Amy | Howell | 1891-1931 |
| Anabel | Macon | 1889-2006 |
| Anaconda | Franklin | 1892-1893 |
| Ancell | Scott | 1912-1960 |
| Anderson | Buchanan | 1861-1865 |
| Anderson | Mc Donald | 1886-Present |
| Anderson | Clinton | E1865-1877 |
| Andoe | Stone | 1918-1922 |
| Andover | Harrison | 1872-1943 |
| Andrae | Jefferson | 1889-1895 |
| Andrew | Andrew | 1864-1868 |
| Angeline | Shannon | 1909-1929 |
| Anglum | Saint Louis | 1894-1929 |
| Ann | Douglas | 1898-1915 |
| Annada | Pike | 1880-Present |
| Annapolis | Iron | 1871-Present |
| Annie | Buchanan | 1890-1897 |
| Anniston | Mississippi | 1894-Present |
| Anove | Gentry | 1916-1925 |
| Anson | Clark | 1872-1904 |
| Anthonies Mill | Crawford | 1872-1901 |
| Anthonies Mill | Washington | 1901-1955 |
| Antioch | Taney | 1879 |
| Antioch | Clark | 1883-1907 |
| Antler | Wright | 1891-1907 |
| Antonia | Jefferson | 1874-1905 |
| Antrim | Wright | 1880-1907 |
| Anutt | Dent | 1890-1963 |
| Apex | Lincoln | 1880-1941 |
| Apple Creek | Cape Girardeau | 1818-1856 |
| Apple Creek | Perry | 1901-1909 |
| Applegate | Webster | 1891 |
| Appleton | Cape Girardeau | 1856-1917 |
| Appleton City | Saint Clair | 1871-Present |
| Aptus | Washington | 1890-1915 |
| Aquilla | Stoddard | 1892-1908 |
| Arab | Wayne | 1905-1943 |
| Arab | Bollinger | 1943-Present |
| Aral | Webster | 1893-1894 |
| Arator | Pettis | 1835-1862 |
| Arbela | Scotland | 1852-Present |
| Arbor | Cape Girardeau | 1884-1928 |
| Arbyrd | Dunklin | 1911-Present |
| Arcadia | Madison | 1841-1858 |
| Arcadia | Iron | 1871-Present |
| Archie | Cass | 1880-Present |
| Arcola | Dade | 1873-Present |
| Ardath | Barton | 1913-1914 |
| Arden | Douglas | 1886-1924 |
| Ardeola | Stoddard | 1889-1908, 1910-1949 |
| Arditta | Howell | 1904-1934 |
| Ardmore | Macon | 1889-1929 |
| Argentville | Lincoln | 1879-1907 |
| Argo | Franklin | 1836-1849 |
| Argo | Crawford | 1849-1864, 1867-1882 |
| Argola | Lewis | 1879-1901 |
| Argyle | Jefferson | 1849-1858 |
| Argyle | Osage | 1904-Present |
| Arica | De Kalb | 1869-1875 |
| Ark | Dent | 1901-1915 |
| Arkoe | Nodaway | 1877-1953 |
| Arley | Clay | 1893-1907 |
| Arlington | Phelps | 1868-1958 |
| Arminda | Knox | 1855-1856 |
| Armstrong | Howard | 1878-Present |
| Arnett | Mc Donald | 1898-1916 |
| Arnica | Cedar | 1883-1907 |
| Arno | Taney | 1857-1863 |
| Arno | Douglas | 1867-1933 |
| Arnold | Jefferson | 1945-Present |
| Arnoldsville | Buchanan | 1853-1856, 1863-1864, 1867-1888 |
| Arnsberg | Cape Girardeau | 1874-1917 |
| Aroma | Newton | 1910-1911 |
| Arp | Ozark | 1895-1896, 1906-1910 |
| Arroll | Texas | 1899-1957 |
| Arrow Rock | Saline | 1821-Present |
| Arroyo | Phelps | 1904-1906 |
| Art | Newton | 1889-1901 |
| Artesian | Platte | 1895-1900 |
| Artesian Springs | Platte | 1891-1895 |
| Arthur | Vernon | 1881-1936 |
| Asboth | Camden | 1862-1864 |
| Asbury | Jasper | 1894-Present |
| Ascalon | Saint Louis | 1896-1904 |
| Ascot | Douglas | 1891-1896, 1900-1901 |
| Ash | Monroe | 1884-1904 |
| Ash Grove | Greene | 1849-1864, 1866-Present |
| Ash Hill | Butler | 1861, 1874-1894 |
| Ashburn | Pike | 1857-Present |
| Asherville | Stoddard | 1872-1927 |
| Ashland | Boone | 1856-Present |
| Ashley | Pike | 1835-1965 |
| Ashley Creek | Texas | 1936-1951 |
| Ashton | Clark | 1851-1954 |
| Ashworth | Howell | 1896-1897 |
| Asper | Livingston | 1869-1880 |
| Asper | Carroll | 1880-1903 |
| Asperville | Daviess | 1871-1873 |
| Astoria | Wright | 1844-1853, 1855-1863, 1867-1937 |
| Astra | Jasper | 1892-1894 |
| Atchison Junction | Platte | 1876-1899 |
| Atchley | Laclede | 1902-1905 |
| Atfe | Holt | 1867-1870 |
| Atfek | Lafayette | 1855-1963 |
| Athelston | Worth | 1887-1893 |
| Athens | Clark | 1841-1922 |
| Atherton | Jackson | 1888-1976 |
| Athol | Bates | 1899-1903 |
| Athol | Jackson | 1921-1928 |
| Atlanta | Harrison | 1858-1865 |
| Atlanta | Macon | 1868-Present |
| Atlas | Dent | 1890-1891 |
| Atoka | Laclede | 1887-1912 |
| Atteberry | Webster | 1903-1906 |
| Attie | Oregon | 1886-1902 |
| Atwell | Miller | 1894-1910 |
| Aubrey | Johnson | 1877-1904 |
| Auburn | Lincoln | 1828-1905 |
| Aud | Osage | 1889-1954 |
| Auglaize | Camden | 1893-1895 |
| Augusta | Saint Charles | 1842-Present |
| Aullville | Lafayette | 1871-1957 |
| Ault | Carroll | 1885-1892 |
| Aurora | Clay | 1838-1839 |
| Aurora | Platte | 1839 |
| Aurora | Saint Clair | 1860-1861 |
| Aurora | Wright | 1868-1871 |
| Aurora | Lawrence | 1871-Present |
| Aurora Springs | Miller | 1882-1912 |
| Austin | Atchison | 1841-1851 |
| Austin | Cass | 1856-1863, 1866-1918 |
| Austinville | Livingston | 1841-1849, 1851-1860 |
| Auxvasse | Callaway | 1874-Present |
| AVA | Douglas | 1872-Present |
| Avalon | Livingston | 1872-1985 |
| Avena | Jefferson | 1833-1836 |
| Avenue City | Andrew | 1878-1913 |
| Avert | Stoddard | 1890-1918, 1922-1945 |
| Avery | Crawford | 1853-1865 |
| Avery | Dent | 1880-1886 |
| Avery | Dent | 1880-1886 |
| Avery | Benton | 1890-1897 |
| Avery | Hickory | 1890-1956 |
| Avilla | Jasper | 1860-1863, 1866-Present |
| Avoca | Saint Francois | 1840-1842 |
| Avoca | Jefferson | 1842-1885 |
| Avola | Vernon | 1869-1885 |
| Avon | Ste. Genevieve | 1849-1928 |
| Avondale | Clay | 1915-Present |
| Axtell | Macon | 1898-1931 |
| Ayersville | Putnam | 1854-1887 |
| Ayo | Christian | 1915-1921 |
| Ayres | Saline | 1892-1903 |
| Azen | Scotland | 1878-1907 |
263 Post Offices entered in the letter “A”
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Updated on 26 May 2008 22:18:51.
This page, and all contents are Copyright © MCMXCIX-MMVIII by
Missouri Postal History Society, St. Louis, Missouri.