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636
Missouri (MO)
By Area Code
By State
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Cities Covered by
636
Area Code
Arnold
Augusta
Ballwin
Barnhart
Beaufort
Blackwell
Bridgeton
Cadet
Catawissa
Cedar Hill
Chesterfield
Cottleville
Crystal City
De Soto
Defiance
Dittmer
Dutzow
Eureka
Fenton
Festus
Flinthill
Florissant
Foley
Foristell
Glencoe
Gray Summit
Grover
Grubville
Hawk Point
Hematite
Herculaneum
Hermann
High Hill
High Ridge
Hillsboro
House Springs
Imperial
Jonesburg
Labadie
Lake Saint Louis
Liguori
Lonedell
Mapaville
Marthasville
Maryland Heights
Morse Mill
Moscow Mills
New Florence
New Melle
O Fallon
Old Monroe
Pacific
Pevely
Portage Des Sioux
Robertsville
Saint Albans
Saint Ann
Saint Charles
Saint Clair
Saint Louis
Saint Peters
Silex
Sullivan
Tiff
Treloar
Troy
Truxton
Union
Valles Mines
Valley Park
Villa Ridge
Warrenton
Washington
Wentzville
West Alton
Winfield
Wright City
Related Area Codes
314
,
573
,
636