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
Kader
Cedar
1882-1907
KAHOKA
Clark
1882-Present
Kain
Lawrence
1858-1859
Kaiser
Miller
1904-Present
Kansas
Jackson
1846-1861
Kansas City
Jackson
1861-Present
Kaolin
Iron
1860-1896, 1898
Karlin
Polk
1903-1944
Kaseyville
Macon
1867-1908
Katy
Vernon
1894-1908
Kearney
Clay
1868-Present
Keener
Butler
1893-1919
Keeners
Wayne
1877-1879
Keeners
Butler
1879-1890
Kellogg
Macon
1894-1903
Kelpe
Saint Louis
1886-1896
Kelso
Scott
1858-1864, 1874-Present
Kelso
Scott
1858-1864, 1874-Present
Keltner
Christian
1905-1973
Kemp
Pettis
1886-1899
Kendall
Clay
1837-1842, 1857-1864, 1866-1868
Kendall
Shelby
1889-1902
Kenmoor
Buchanan
1886-1896, 1898-1904
Kennedy
Pemiscot
1890-1915
KENNETT
Dunklin
1860-1863, 1867-Present
Kennonsville
Lewis
1837-1849
Kenoma
Barton
1881-1980
Kent
Newton
1853-1863, 1867-1907
Kenton
Greene
1856-1860
Kenton
Christian
1860-1863, 1865-1911
Kenwood
Knox
1890-1936
Keota
Macon
1900-1925
Kerens
Butler
1903-1920
Kerr
Caldwell
1886-1906
Kerrigan
Wayne
1884-1934
Kesler
Audrain
1890
Ketterman
Vernon
1885-1904
Kewanee
New Madrid
1907-Present
Keystone
Clinton
1874-1919
Keysville
Crawford
1873-1875, 1879-1955
KEYTESVILLE
Chariton
1831-Present
Kidder
Caldwell
1860-Present
Kiddridge
Osage
1873-1881
Kiddville
Sullivan
1857-1881
Kiel
Franklin
1883-1909
Kilrush
Montgomery
1865-1867
Kilwinning
Scotland
1880-1907
Kimberling City
Stone
??-Present
Kimberly
Randolph
1900-1905
Kimble
Texas
1897-1967
Kime
Wayne
1904-1914, 1916-1937
Kimmswick
Jefferson
1858-Present
Kimpton
Cass
1889-1902
Kinder
Stoddard
1910-1929, 1936-1963
Kinderhook
Gasconade
1839-1842
Kinderpost
Texas
1906-1954
King City
Gentry
1861-1862, 1865-Present
King Grove
Holt
1875-1881
Kingbee
Ripley
1896-1909
Kingdom City
Callaway
1970-Present
Kings Mills
Montgomery
1842-1855
Kings Point
Dade
1848-1863, 1866-1909
KINGSTON
Caldwell
1843-Present
Kingston Furnace
Washington
1867-1882
Kingsville
Johnson
1857-1863, 1874-Present
Kinkead
Saint Francois
1846-1857
Kinloch
Saint Louis
1892-1924
Kinserlow
Texas
1905-1913
Kinsey
Ste. Genevieve
1889-1955
Kinyer
Butler
1884-1886
Kip
Douglas
1894-1896
Kirby
Shelby
1882-1906
Kirbyville
Taney
1871-Present
KIRKSVILLE
Adair
1843-Present
Kirkwood
Saint Louis
1854-1901
Kisner
Bates
1891-1894
Kissee Mills
Taney
1871-1872, 1877-1886, 1890-Present
Kissenger
Pike
1879-1886, 1892-1919
Kliever
Moniteau
1891-1907
Klio
Pettis
1902
Klondike
Saint Charles
1898-1943
Knight
Jasper
1881-1888
Knights Station
Jasper
1873-1875, 1878-1879
Knob Lick
Saint Francois
1870-Present
Knob Noster
Johnson
1941-Present
Knob View
Crawford
1856-1889, 1893-1898
Knobby
Benton
1885-1888, 1897-1907
Knobnoster
Johnson
1846-1941
Knobview
Phelps
1902-1931
Knorpp
Jefferson
1890-1914
Knotwell
Phelps
1882-1884
Knox City
Knox
1873-Present
Knoxville
Ray
1838-1904
Koch
Saint Louis
1910-1925, 1927-1978
Kodiak
Andrew
1892-1904
Koeltztown
Osage
1862-Present
Koenig
Osage
1892-1920
Koester
Saint Francois
1893-1917
Kohl
Franklin
1892-1903
Kolano
Crawford
1896-1904
Koller
Shannon
1913-1918
Konaka
Holt
1872-1873
Koons
Mc Donald
1917-1918
Koshkonong
Oregon
1893-Present
Kossuth
Clark
1852-1858
Krakow
Franklin
1871-1876, 1883-1953
Krallman
Madison
1904-1905
Kreiset’s Mill
Benton
1872-1874
Kremlin
Butler
1887-1888
Kremlin Mills
Butler
1878-1880
Krohn
Osage
1907-1910
Kruergerville
Warren
1878-1905
Kurreville
Cape Girardeau
1877-1894, 1898-1913
Kushnerville
Greene
1886-1887
Kuttania
Dunklin
1922-1923
Kyles
Wayne
1892-1933
116 Post Offices entered in the letter K
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Updated on 27 Nov 2009 23:28:50.
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Missouri Postal History Society, St. Louis, Missouri.