636
Missouri (MO)
By Area Code
By State
All
200
300
400
500
600
700
800
900
Cities Covered by
636
Area Code
Beaufort
Cadet
Catawissa
Cottleville
Crystal City
De Soto
Dutzow
Flinthill
Foley
Foristell
Glencoe
Gray Summit
Grover
Grubville
Hawk Point
Hermann
Hillsboro
Jonesburg
Labadie
Lonedell
Mapaville
Maryland Heights
Morse Mill
New Melle
O Fallon
Old Monroe
Portage Des Sioux
Saint Ann
Saint Clair
Saint Louis
Silex
Sullivan
Troy
Truxton
Union
Valley Park
Warrenton
West Alton
Winfield
Wright City
Arnold
Augusta
Ballwin
Barnhart
Blackwell
Bridgeton
Cedar Hill
Chesterfield
Defiance
Dittmer
Eureka
Fenton
Festus
Florissant
Hematite
Herculaneum
High Hill
High Ridge
House Springs
Imperial
Lake Saint Louis
Liguori
Marthasville
Moscow Mills
New Florence
Pacific
Pevely
Robertsville
Saint Albans
Saint Charles
Saint Peters
Tiff
Treloar
Valles Mines
Villa Ridge
Washington
Wentzville
Related Area Codes
314
,
573
,
636