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
S Branch
Carroll
1863-1864
Sabula
Iron
1884-1953
Sac Mills
Cedar
1858
Saco
Madison
1892-1979
Sacramento
Cole
1848
Sacramento
Wright
1853-1864, 1867-1880
Sacville
Greene
1890-1907
Sada
Putnam
1892-1894
Safe
Maries
1886-1958
Sage
Jasper
1898-1899
Saginaw
Newton
1889-Present
Sagrada
Camden
1886-1894, 1897-1933
Saint Albans
Franklin
1889-1907, 1943-Present
Saint Ann
Saint Louis
1954-Present
Saint Annie
Pulaski
1867-1878, 1880-1895
Saint Annie
Laclede
1878-1880, 1895-UNK
Saint Annie
Texas
UNK-1930
Saint Anthony
Miller
1907-1929
Saint Aubert
Callaway
1849-1861, 1863-1893
Saint Ausert
Osage
1893-1935
Saint Bernard
Clay
1853-1857
Saint Catherine
Linn
1859-1993
SAINT CHARLES
Saint Charles
1806-Present
Saint Clair
Franklin
1859-Present
Saint Clement
Pike
1886-1907
Saint Cloud
Scott
1870-1882
Saint Elizabeth
Miller
1877-Present
Saint Francisville
Clark
1836-1973E
Saint Francisville
Lewis
1836
Saint Francois
Saint Francois
E1823-1825, 1908-1954
Saint George
Wright
1872, 1874-1919, 1922-1958
Saint Helen
Saint Clair
1843-1847
Saint Helen
Cedar
1847-1856
Saint Helena
Pettis
1833-1837
Saint James
Phelps
1860-Present
Saint John
Putnam
1849-1856, 1856-1908
Saint John
Dodge
?
Saint Johns
Franklin
1816-1819, 1833-1840
Saint Johns Station
Saint Louis
1923-1925
SAINT JOSEPH
Buchanan
1843-Present
Saint Lawrence
Scott
1866-1868
Saint Leger
Ozark
1848-1864, 1867-1885
Saint Louis
Saint Louis
1804-Present
SAINT LOUIS
Saint Louis (City)
1804-Present
Saint Luke
Dallas
1851-1858
Saint Luke
Webster
1858-1862
Saint Mark
Greene
1852-1857
Saint Mark
Webster
1857-1860
Saint Martin
Newton
1878
Saint Martins
Morgan
1866-1898
Saint Marys
Ste. Genevieve
1853-Present
Saint Marys Landing
Ste. Genevieve
1831-1853
Saint Michael’s
Madison
1816-1827
Saint Patrick
Clark
1857-1860, 1867-1869, 1878-Present
Saint Paul
Greene
1847-1856
Saint Paul
Webster
1856-1872
Saint Peters
Saint Charles
1841-Present
Saint Thomas
Cole
1855-Present
SAINTE GENEVIEVE
Ste. Genevieve
1805-Present
Salem
Benton
1840-1847
Salem
Hickory
1847
Salem
Linn
1855-1869
SALEM
Dent
1869-Present
Saline
Ste. Genevieve
1821-UNK
Saline
Ralls
1837-1856
Saline
Mercer
1857-1937
Saline City
Saline
1869-1870
Saling
Audrain
1884-1904
Salisbury
Chariton
1862-Present
Salt Creek
Chariton
1866-1870
Salt Point
Ste. Genevieve
1846-1851
Salt River
Audrain
1839-1860
Salt Road
Douglas
1871-1875
Salt Springs
Saline
1875-1907
Salyer
Greene
1898-1902
Samford
Pemiscot
1897-1912
Sammylane
Stone
1918-1940
Samoa
Texas
1890-1909
Samos
Mississippi
1884-1885, 1908-1938
Sample
Saint Clair
1905-1915
Sampsell
Livingston
1906-1953
Sampsell Station
Livingston
1871-1906
Sampson
Webster
1904-1935
Sampson Creek
Harrison
1868-1881
Sampsons Creek
Gentry
1856-1859
San Antonio
Buchanan
1855-1858, 1871-1901
San Francisco
Carroll
1858-1861
Sand Bluff
Iron
1879-1883
Sand Creek
Adair
1874-1881
Sand Hill
Lewis
1836-1845
Sand Hill
Scotland
1845-1903
Sand Rock
Osage
1885-1886, 1889-1890
Sand Springs
Webster
1863-1875, 1877-1879
Sand Stone
Vernon
1867-1883
Sandals
Ray
1888-1902
Sandrock
Laclede
1891-1893
Sands
Mississippi
1902-1908
Sands
Phelps
1910-1925
Sandstone
Vernon
1883-1901
Sandsville
Clinton
1841-1845
Sandsville
Gentry
1845-1847
Sandy
Douglas
1890-1891
Sandy Bridge
Jefferson
1877-1888
Sandy Mines
Jefferson
1844-1849, 1856-1862
Sandy Point
Douglas
1878-1879
Sandyhook
Moniteau
1902-1953
Sank
Bollinger
1912-1920, 1925-1954
Santa Rosa
Daviess
1869-1875
Santa Rosa
De Kalb
1875-1954
Sante Fe
Monroe
1854-Present
Santee
Maries
1898-1903
Santiago
Benton
1899-1904
Santuzza
Lewis
1899-1902
Sapp
Boone
1893-1907
Sappington
Saint Louis
1837-1902, 1904-1907, 1914-1937
Saratoga
Mc Donald
1880-1900
Sarcoxie
Barry
1838-1841
Sarcoxie
Newton
1841-1849
Sarcoxie
Jasper
1849-Present
Sargent
Texas
1884-1931
Sarvis Point
Webster
1869-1909
Sarvis Spring
Dent
1856-1862, 1866
Sarvis Spring
Phelps
1866-1872
Saunders
Christian
1903-1916
SAVANNAH
Andrew
1841-Present
Saverton
Ralls
1832-1845, 1851, 1856-Present
Sawyer
Butler
1902-1910
Saxton
Buchanan
1872-1938
Scaggs
Dallas
1903
Schalls
Perry
1877-1915
Schell City
Vernon
1871-Present
Scheperville
Bollinger
1882-1902
Scheve
Jefferson
1886-1908
Schlatitz
Bollinger
1908-1915
Schley
Nodaway
1898-1907
Schlicht
Pulaski
1898-1915
Schluersburg
Saint Charles
1862-1908
Schofield
Polk
1887-1907
Scholten
Barry
1886-1919
School
Stone
1891-1924
Schoolings
Lafayette
1870-1872
Schumer Springs
Perry
1906-1912
Schuyler
Cass
1869-1874
Schuyler
Benton
1896-1906
Schwartz
Lafayette
1894
Scopus
Bollinger
1887-1957
Scotia
Crawford
1885-1942
Scotland
Jasper
1873-1908
Scotland Ridge
Putnam
1858-1860
Scott
Johnson
1894-1902
Scott City
Scott
1960-Present
Scotts Station
Cole
1873-1894
Scottsville
Sullivan
1849-1892
Scrivner
Cole
1898-1913
Scruggs
Cole
1882-1905
Search
Morgan
1886-1895
Seaton
Phelps
1907-1908, 1910-1965
Sebago
Linn
1869-1880
Sebree
Howard
1872-1876, 1879-1899
Seckman
Jefferson
1889-1906
SEDALIA
Pettis
1861-Present
Sedan
Douglas
1891-1898, 1901-1927
Sedgwick
Linn
1874-1903
Sedgwickville
Bollinger
1867-1869, 1875-Present
Segin
Ripley
1886-1887
Seitz
Crawford
1907-1928
Selden
Ozark
1856-1861
Selden
Douglas
1861-1867
Self
Stone
1890-1906
Seligman
Webster
1873-1876
Seligman
Barry
1880-Present
Selkirk
Laclede
1886, 1888-1896
Sellers
Lewis
1890-1907
Selma
Jefferson
1827-1857, 1859-1867, 1905-1913
Selmore
Christian
1892-1915
Selsa
Jackson
1881-1883, 1895-1902, 1904-1906
Sena
Howell
1883-1884
Senate Grove
Franklin
1891-1903
Senath
Dunklin
1881-Present
Seneca
Newton
1869-Present
Seney
Macon
1874-1904
Sentinel
Andrew
1853-1855
Sentinel
Polk
1899-1955
Sentinel Prairie
Polk
1850-1851, 1853-1899
Sereno
Perry
1888-1905
Service
Crawford
1886-1896
Settle’s Station
Platte
1875-1906
Setz
Saint Francois
1891-1892
Seventy Six
Perry
1880-1954
Sevier
Sullivan
1876-1877
Sexson
Cedar
1893-1906
Sexton’s
Boone
1826-1857
Seybert
Dade
1887-1918
Seymour
Webster
1881-Present
Shackelford
Saline
1879-1959
Shady Grove
Dallas
1846-1861
Shady Grove
Polk
1882-1896
Shady Valley
Cole
1844-1845
Shadygrove
Polk
1896-1905
Shafter
Linn
1898-1906
Shafton
Randolph
1880-1884
Shamrock
Callaway
1833-1861, 1863-1954
Shannondale
Chariton
1874-1915
Sharon
Laclede
1856-1860
Sharon
Saline
1888-1903
Sharp
Ozark
1890-1915
Sharpsboro
Cape Girardeau
1898-1901
Sharpsburg
Monroe
1837-1850
Sharpsburg
Marion
1850-1869
Shaver
Benton
1885
Shaw
Boone
1894-1907
Shawnee
Jackson
1832-1834
Shawnee
Shannon
1889-1920
Shawnee Mound
Henry
1855-1862, 1866-1901
Shawneetown
Cape Girardeau
1871-1907, 1913-1946
Sheffield
Cape Girardeau
1856-1862
Sheffield
Jackson
1888-1902
Shelbina
Shelby
1858-Present
Shelby
Linn
1882-1904
SHELBYVILLE
Shelby
1836-Present
Sheldon
Vernon
1881-Present
Shell Knob
Barry
1872-Present
Shell’s Mills
Mc Donald
1857-1859
Shepard
Iron
1913-1929
Sheridan
Macon
1870-1873
Sheridan
Worth
1887-Present
Sherman
Saint Louis
1864-1980
Shermanville
Pettis
1868-1869
Sherrill
Texas
1873-1886, 1889-1969
Sherry
Stoddard
1896-1904
Sherwood
Jasper
1858-1871, 1882-1883
Sherwood
Barton
1881
Sherwood
Clark
1889-1896
Sherwood
Saint Louis
1899-1904
Shibley’s Point
Adair
1855-1908
Shiel
Ralls
1898-1910
Shields
Maries
1855-1856
Shields
Pulaski
1855
Shiloh
Butler
1872-1901
Shinkle
Howell
1903-1917
Shipley
Dunklin
1903-1913
Shipman
Grundy
1881-1892
Shirley
Washington
1894-1955
Shivelton
Platte
1868-1877
Shoal Creek
Newton
1850-1856
Shoal Creek
Livingston
1869-1878
Shoal Creek
Barry
1890-1893
Shoalsburg
Newton
1867-1883
Shobe
Bates
1881-1899
Shoneytwon
Putnam
1856-1883
Shook
Wayne
1904-1923, 1930-2004
Shootman
Carroll
1870-1888
Shores Switch
Saint Louis
1892-1896
Short
Ripley
1898-1902, 1910-1930
Short Bend
Crawford
1849-UNK
Short Bend
Dent
UNK-1860
Shortsend
Dent
1895-1913
Shott
Grundy
1884-1902
Shotwell
Franklin
1855-1907
Shrewsbury
Saint Louis
1892-1901
Shroderton
Henry
1857-1859
Shrum
Bollinger
1898-1937
Sibley
Jackson
1842-1864, 1866-Present
Sidney
Ralls
1855-1863, 1866-1878
Sidney
Putnam
1889-1908
Sidway
Barry
1887
Sigel
Pettis
1861-1886
Signal
Phelps
1903-1905
Sigsbee
Shelby
1898-1906
Sikeston
Scott
1860-1864, 1867-Present
Sikeston
Scott
1860-1864, 1867-Present
Silex
Lincoln
1882-Present
Silex
Lincoln
1882-Present
Silica
Jefferson
1885-1918
Sill
Linn
1900-1903
Siloam Springs
Howell
1879-1969
Silva
Wayne
1902-Present
Silver Creek
Cedar
1857-1881
Silver Lake
Perry
1869-1954
Silver Mine
Madison
1892-1955
Silver Spring
Saint Francois
1850-1860
Silverleaf
Livingston
1898-1901
Silverton
Douglas
1889-1933
Sim’s Point
Dade
1878
Simcoe
Mc Donald
1893-1909
Simmons
Texas
1892-1958
Simpson
Johnson
1879-1880, 1891-1901
Simpson
Lafayette
1901-1903
Simpson’s Store
Johnson
1855-1859
Simpsons
Gasconade
1824-1828E
Sims
Livingston
1899-1900
Sims Creek
Saint Clair
1877-1882
Sinclair
Stone
1877-1888
Single
Benton
1881
Sinkin
Shannon
1869-1880, 1883-1885, 1887-1933
Sisk
Ray
1883-1897
Sissonville
Johnson
1854-1857
Six Mile House
Saint Charles
1875-1880
Skaggs
Cass
1898-1904
Skelton
Greene
1897-1898
Skiatook
Maries
1915-1917
Skidmore
Nodaway
1880-Present
Skillet
Dallas
1880-1881
Skinner
Audrain
1893-1900
Skrainka
Madison
1884-1897
Skull Lick
Audrain
1856-1858
Slagle
Polk
1874-1905
Slagle Creek
Polk
1852-1853
Slater
Saline
1878-Present
Sledd
Pike
1891-1901
Sleeper
Laclede
1883-1955
Sleepers Switch
Laclede
1879
Slicer
Stoddard
1886
Sligo
Crawford
1880-1886
Sligo
Dent
1887-1966
Sligo Furnace
Dent
1882-1887
Sloan
Adair
1891-1903
Sloans Point
Adair
1865-1873
Small
Saint Clair
1884-1886
Smallett
Douglas
1888-1967
Smileyville
Marion
1889-1901
Smith
Webster
1880-1892
Smith
Dunklin
1883
Smith City
Pettis
1860-1871
Smith Creek
Warren
1863-1864
Smith’s Creek
Gasconade
1833-1838
Smith’s Mills
Benton
1872
Smithboro
Reynolds
1901-1909
Smithfield
Jasper
1871-1934
Smithland
Randolph
1838-1858
Smithton
Boone
1820-1821
Smithton
Gentry
1858-1861
Smithton
Worth
1861-1867, 1869-1870
Smithton
Pettis
1871-Present
Smithville
Clay
1844-Present
Smittle
Wright
1908-1915
Smizers Mills
Saint Louis
1857-1858
Snapp
Chariton
1891-1900
Snells Mill
Harrison
1856-1868
Sni Mills
Jackson
1874-1902
Snibar
Lafayette
1847-1879
Snow
Macon
1892-1901
Snowdon
Linn
1899-1906
Sny Mills
Jackson
1871-1874
Snyder
Chariton
1889-1972
Solado
Cape Girardeau
1882
Soleville
Cooper
1887-1905
Solitude
New Madrid
1846-1849
Solitude
Pemiscot
1855-1864
Solo
Texas
1884, 1892-2007
Somerset
Monroe
1838-1862, 1866-1876
Somerset
Ozark
1882-1892
Somerville
De Kalb
1849-1850
Sonoma
Mercer
1855-1858
Sonora
Pettis
1863-1864
Sonora
Atchison
1872-1875
Sons Creek
Dade
1857-1864
Sonta
Saint Clair
1884-1886
Soon
Lawrence
1854-1855
Soper
Saint Francois
1881
Sorrell
Sullivan
1893-1924
Souder
Ozark
1903-1911, 1915-Present
South Bend
Lawrence
1851-1852
South Fork
Howell
1860-1867, 1875-1960
South Gifford
Macon
1913-1971
South Greenfield
Dade
1891-Present
South Grove
Saline
1856-1860, 1872-1874
South Kinloch Park
Saint Louis
1924-1959
South Point
Franklin
1855-1862, 1865-1885
South Saint Joseph
Buchanan
1898-1909, 1912-1975E
Southard
Laclede
1906-1939
Southwest City
Mc Donald
1871-Present
Spading
Phelps
1899-1904
Spalding
Ralls
1882-1910
Spanish Lake
Saint Louis
1880-1900
Spanish Prairie
Crawford
1842-1857
Spanish Prairie
Phelps
1857-1864
Sparlinville
Newton
1854-1858, 1860-1865
Sparrow
Henry
1882-1883, 1895-1901
Sparta
Buchanan
1841-1865
Sparta
Christian
1876-Present
Spears
Morgan
1894
Speed
Cooper
1898-1955
Spencer
Lawrence
1868-1907
Spencersburg(h)
Pike
1837-1903
Sperry
Adair
1883-1907
Spickard
Grundy
1892-Present
Spickardville
Grundy
1872-1892
Spiva
Ozark
1884-1889
Splice Creek
Moniteau
1850-1857
Split Log
Mc Donald
1887-1906
Spokane
Christian
1892-Present
Sprague
Bates
1880-1926
Spreckett
Bates
1881
Spring
Jasper
1871-1873
Spring City
Oregon
1882-1885
Spring City
Saint Clair
1892-1893
Spring City
Newton
1893-1903
Spring Creek
Unlisted-
1821-1824
Spring Creek
Pulaski
1854-1855, 1857-1866
Spring Creek
Phelps
1868-1943
Spring Fork
Pettis
1850-1865, 1925-1953
Spring Garden
Miller
1882-1918
Spring Gardens
Pettis
1854-1863
Spring Grove
Dallas
1854-1906
Spring Hill
Scott
1840-1843
Spring Hill
Livingston
1849-1901
Spring Hollow
Laclede
1869, 1871-1875
Spring Mills
Crawford
1850-1851
Spring River
Lawrence
1846-1860
Spring Vale
Pulaski
1857-1858, 1860-1867
Spring Valley
Adair
1867-1871
Spring Valley
Camden
1887-1917
Springbluff
Franklin
1872-1933
Springdale
Pike
1900-1906
SPRINGFIELD
Greene
1834-Present
Springfork
Pettis
1906-1925
Springville
Wayne
1848-1850
Sprott
Ste. Genevieve
1902-1918
Spruce
Bates
1846-1862, 1866, 1883-1957
Spurdod
New Madrid
1918
Spurgeon
Newton
1884-1912
Squires
Douglas
1888-Present
Stacy
Madison
1911-1912
Stafford
Hickory
1898-1899
Stahl
Adair
1882-1949
Stairfield
Clinton
1867-1871
Stalls Creek
Lawrence
1854-1857
Stanberry
Gentry
1879-Present
Stancil
Pemiscot
1890-1891, 1902, 1905-1906
Standard
De Kalb
1872-1883
Standish
Carroll
1888-1955
Stanford
Texas
1853-1868, 1872-1902
Stanhope
Saline
1889-1895
Stanley
Buchanan
1881-1895
Stanley
Pemiscot
1898-1910
Stanton
Franklin
1857, 1880-Present
Stanton Copper Mines
Franklin
1856-1857, 1857-1880
Star
Barry
1880-1893
Star
Macon
1898-1901
Star
Lawrence
1904-1907
Star Ridge
Polk
1891-1893
Starfield
Clinton
1884-1914
Stark
Pike
1888-1907
Stark City
Newton
1912-Present
Starkdale
Pike
1902-1907, 1909-1911
Starkenburg
Montgomery
1888-1896, 1898-1918
Starlight
Grundy
1889-1900
State Line
Cass
1871-1875
Steadman
Macon
1891
Steedman
Callaway
1894-Present
Steele
Pemiscot
1896-Present
STEELVILLE
Crawford
1836-Present
Steens Prairie
Maries
1860-1912
Steffenville
Lewis
1872-Present
Steinhagen
Warren
1890-1907
Steinmetz
Howard
1879-1933
Stella
Webster
1883-Present
Stella
Newton
1884-Present
Stephens
Boone
1868-1875
Stephens
Callaway
1912-1957
Stephens Depot
Boone
1867-1868
Stephens Store
Callaway
1862-1912
Sterling
Howell
1883-1887, 1890-1906
Stet
Carroll
1890-1973
Steuber
Osage
1902
Stevenson’s Mills
Wayne
1868-1872
Stewart
Pemiscot
1872-1914
Stewart’s
Warren
1860-1863
Stewartsville
De Kalb
1855-Present
Sticklerville
Sullivan
1864-1907
Stickney
Maries
1903-1951
Stiles
Saint Clair
1886
Stillings
Platte
1890-1913
Stillwater
Montgomery
1821-1825
Stilwell
Newton
1894
Stinson
Lawrence
1895-1906
Sto
Christian
1896-1904
Stockbridge
Buchanan
1887-1905
Stockland
Saint Charles
1833, 1835-1839
Stockland
Montgomery
1854-1879
Stockton
Macon
1858-1859
STOCKTON
Cedar
1859-Present
Stockyards
Buchanan
1892-1898
Stogsdill
Texas
1884-Present
Stokes Mound
Carroll
1869-1887
Stokley
Pettis
1884, 1886-1902
Stolpe
Gasconade
1886-1901
Stone
Stoddard
1913-1914
Stone Hill
Dent
1876-1954
Stone House
Morgan
1858-1863, 1866-1875
Stoney Point
Pulaski
1840-1841
Stono
Saint Francois
1856-1907
Stony Hill
Gasconade
1867-1962
Stony Point
Jackson
1851-1879
Story
Saint Clair
1904-1912
Stotesbury
Vernon
1893-Present
Stotts City
Lawrence
1899-Present
Stout’s Fort
Lincoln
1820-1824
Stoutland
Camden
1870-Present
Stoutsville
Monroe
1872-Present
Stover
Morgan
1875-Present
Strafford
Greene
1870-Present
Strain
Franklin
1903-1910
Strait
Christian
1907-1914
Strasburg
Cass
1870-Present
Stratmann
Saint Louis
1879-1907
Stringfields Store
Callaway
1856-1861
Stringtown
Cole
1851-1860, 1864-1882
Stroderville
Cape Girardeau
1870-1889
Strother
Jackson
1866-1868
Strother
Monroe
1884-1938
Stucker
Carroll
1891-1895
Studt
Saint Louis
1896-1902
Stultz
Texas
1887-1941
Sturdivant
Bollinger
1888-1892, 1899-Present
Sturgeon
Boone
1857-Present
Sturgis
Livingston
1882-1937
Sublette
Adair
1868-1933
Success
Texas
1880-Present
Sudheimer
Maries
1905-1914, 1923-1936
Sue City
Macon
1868-1900
Suel
Scott
1891
Sugar Creek
Clark
1856-1868
Sugar Creek
Jackson
1904-1951
Sugar Grove
Ralls
1840-1843, 1847-1849
Sugar Lake
Platte
1877-1906
Sugar Tree Grove
Clay
1863-1867
Sugartree
Carroll
1884-1905
Sulfur Lick
Lincoln
1851-1868, 1874-1879
Sulfur Springs Landing
Jefferson
1858-1910
Sullivan
Franklin
1860-Present
Sulphur Springs
Jefferson
1837-1858, 1910-1995
Sumac
Bollinger
1867-1868, 1870-1873, 1879-1880
Sumack
Dunklin
1889-1896
Summer Hill
Stoddard
1850-1852
Summerfield
Maries
1903-1957
Summersville
Texas
1871-Present
Summerville
Boone
1849-1856
Summit
Barton
1877-1886
Summit
Washington
1886-1928
Summitt
Macon
1859-1864
Summitville
Washington
1882-1886
Sumner
Macon
1874-1875
Sumner
Chariton
1883-Present
Sunlight
Washington
1885-1927
Sunnyside
Wright
1870-1905
Sunrise
Barry
1899-1905
Sunrise Beach
Camden
1932-Present
Suns Creek
Dade
1871-1873
Sunset
Polk
1888-1900
Sunshine
Ray
1891-1904
Surprise
Osage
1879-1883
Surprise
Oregon
1895-1925
Susanna
Webster
1892-1914
Sutherland
Johnson
1897-1912
Sutter
Saint Louis
1886-1903
Swan
Christian
1867-1868
Swan
Taney
1880-1957
Swan Creek
Taney
1856
Swan Fork
Taney
1850-1851
Swanlake
Macon
1884-1887
Swanwick
Ray
1884-1887
Swart
Vernon
1893-1899, 1900-1919
Swedeborg
Pulaski
1881-2004
Sweden
Douglas
1896-1956
Sweet Home
Lewis
1835-1837
Sweet Home
Clark
1837-1841
Sweet Home
Nodaway
1851-1890
Sweet Springs
Saline
1849-1850, 1886-Present
Sweet Springs
Vernon
1887-Present
Sweethome
Nodaway
1851-1890
Sweetwater
Newton
1894-1907
Swift
Pemiscot
1926-1943
Swifton
Pemiscot
1914-1926
Swinton
Stoddard
1898-1952
Swiss
Gasconade
1874-1950
Switzler
Monroe
1870-UNK
Switzler
Boone
1891-1896
Switzler
Audrain
UNK-1877
Swope
Jackson
1899-1904
Sycamore
Ozark
1891-1973
Syenite
Saint Francois
1881-1914
Sylvan
Dent
1854-1861
Sylvan Lodge
Newton
1866-1870
Sylvania
Dade
1869-1907
Syracuse
Cooper
1858-UNK
Syracuse
Morgan
UNK-Present
588 Post Offices entered in the letter S
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Updated on 27 Nov 2009 23:28:53.
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Missouri Postal History Society, St. Louis, Missouri.