Area code 636 was first put in service May 22, 1999. Area code 636 is in USA (Missouri). 1-800-database has 567 records on file with a phone number in the area code of (636) and 54 comments.
The carriers providing phone numbers in 636 area code are: Allegiance Telecom, American Messaging (am), AT&T Local, Aurora Communications, Birch Telecom Of Missouri, Cellco Partnership DBA Verizon Wireless, Centurylink Communications LLC, Centurytel Missouri LLC (southwest)dba Centurylink, Charter Fiberlink, Global Crossing Local Services-mo, Leap Wireless Intl DBA Cricket Comm, Level 3 Communications, Mci Worldcom Communications, Inc, Mcleodusa Telecommunications Services- Mo, Metro PCS, New Cingular Wireless PCS - IL, Orchard Farm Telephone Co., Peerless Network Of Missouri, Sbc Internet Services, Socket Telecom, Southwestern Bell, Sprint Spectrum L.p., Teleport Communications Group - St. Louis, T-mobile Usa, Usa Mobility Wireless, Windstream Nuvox Missouri Inc., Xo Missouri.
Counties located in area code 636 are: FRANKLIN, JEFFERSON, LINCOLN, MONTGOMERY, SAINT CHARLES, SAINT LOUIS, SAINT LOUIS CITY, STONE, WARREN.
Largest city: O'Fallon
In service since: 05/22/1999
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