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636 area code

Area code 636 is in Missouri (MO), USA and some of the main locations covered are O'Fallon, St Charles, St Peters, .. (jump to city list below).

Area code 636 has been in service since 22 May 1999.

08:18:03 AM is the current time in area code 636 (Central Time).

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Map of area code 636

More Missouri area codes

NPANXX1 Area served2 Date3
636-200Manchester
636-201Warrenton8/17/2020
636-202Warrenton9/18/2018
636-203Fenton
636-204Warrenton6/17/2021
636-205Winfield8/16/2002
636-206St Charles3/28/2014
636-207Manchester
636-208Festus/Crystal City10/23/2002
636-209Festus/Crystal City
636-210Union9/29/2020
636-212Maxville10/28/2002
636-213Warrenton 1/11/2022
636-214Chesterfield 1/11/2022
636-215Maxville1/7/2016
636-216Chesterfield6/3/2004
636-218Maxville5/26/2021
636-219St Charles2/2/2001
636-220Manchester
636-221Washington5/14/2002
636-222Cedar Hill10/28/2002
636-223Imperial1/29/2002
636-224Herculaneum/Pevely
636-225Valley Park
636-226Valley Park
636-227Manchester
636-228Augusta
636-229Harvester
636-230Manchester
636-231Washington4/9/2002
636-232Festus/Crystal City4/9/2002
636-233St Charles11/6/2001
636-234Union4/9/2002
636-235Warrenton4/9/2002
636-236Chesterfield5/10/2001
636-237Chesterfield
636-238Manchester
636-239Washington
636-240O'Fallon
636-242Marthasville10/12/2006
636-243De Soto4/9/2002
636-244Harvester8/8/2001
636-245Maxville9/21/2020
636-246St Charles4/2/2004
636-247Chesterfield5/16/2002
636-248St Peters
636-249Union7/3/2014
636-250Orchard Farm
636-251Foristell
636-252Chesterfield6/29/2021
636-253High Ridge5/7/2001
636-255St Charles
636-256Manchester
636-257Pacific
636-258Orchard Farm
636-259Gray Summit5/7/2001
636-261Harvester4/14/2003
636-262Chesterfield
636-263Harvester10/18/2001
636-264Winfield5/16/2002
636-265Dardenne8/8/2001
636-266Washington2/28/2002
636-270Ware3/11/2021
636-271Pacific
636-272O'Fallon
636-273Pond
636-274Cedar Hill
636-275Maxville2/11/2015
636-277St Charles3/8/2010
636-278St Peters
636-279St Peters
636-280Eureka3/11/2021
636-281O'Fallon
636-282Maxville
636-283Washington6/6/2007
636-284Harvester5/15/2002
636-285Cedar Hill
636-287Maxville
636-288St Charles
636-289Hawk Point 2/1/2022
636-290Troy8/9/2002
636-292Chesterfield4/26/2018
636-293O'Fallon8/9/2002
636-294O'Fallon8/8/2001
636-295Troy
636-296Maxville
636-297Warrenton
636-299Chesterfield
636-300Harvester5/1/2001
636-303Union3/23/2017
636-305Fenton
636-306Herculaneum/Pevely7/3/2014
636-310Hillsboro4/5/2016
636-312O'Fallon11/6/2015
636-317Harvester2/18/2016
636-318Troy
636-319Dardenne5/14/2020
636-320Harvester
636-321Maxville
636-322St Clair1/10/2006
636-323Antonia1/10/2003
636-324Pond3/5/2007
636-326Fenton
636-327Wentzville
636-328St Charles
636-329Harvester5/1/2001
636-330De Soto3/6/2019
636-331Festus/Crystal City8/9/2017
636-332Wentzville
636-333Maxville
636-334Pacific1/10/2003
636-335Fenton7/27/2020
636-336Harvester
636-337De Soto
636-338Hawk Point
636-339O'Fallon8/25/2020
636-341Festus/Crystal City4/28/2021
636-342Harvester 12/22/2021
636-343Fenton
636-344Harvester5/24/2005
636-345Harvester
636-346Chesterfield
636-347De Soto5/14/2021
636-348St Peters9/1/2020
636-349Fenton
636-351Ofallon 1/9/2022
636-352St Charles
636-354Harvester8/16/2021
636-355Foley1/10/2007
636-356Moscow Mills
636-357Wentzville
636-358Troy
636-359Warrenton
636-362Harvester4/18/2013
636-363Maxville
636-364St Clair1/10/2003
636-366Moscow Mills
636-368Chesterfield7/5/2001
636-369Washington3/11/2021
636-373St Charles
636-375High Ridge
636-376High Ridge
636-377Warrenton10/12/2006
636-379O'Fallon
636-383Troy7/3/2014
636-384Wright City
636-385O'Fallon2/25/2011
636-386Manchester
636-387St Peters8/8/2001
636-388Union2/28/2002
636-389St Charles
636-390Washington
636-391Manchester
636-392Washington6/3/2008
636-393Pacific12/13/2004
636-394Manchester
636-395St Charles
636-397St Peters
636-398New Melle
636-399Manchester
636-400Portage Des Sioux
636-402Gray Summit7/5/2001
636-403Harvester
636-405Pond
636-409O'Fallon1/5/2016
636-410St Charles
636-412Valley Park
636-422Pond5/11/2005
636-425Portage Des Sioux
636-426Portage Des Sioux5/10/2001
636-428High Ridge6/16/2015
636-429Eureka2/1/2013
636-431Valley Park
636-432Washington1/10/2006
636-433Marthasville
636-434Portage Des Sioux7/5/2001
636-435Valley Park
636-438Manchester
636-439O'Fallon1/14/2011
636-441Harvester
636-442Harvester
636-443St Charles
636-444Valley Park
636-445Wentzville11/13/2012
636-447Harvester
636-448St Charles
636-449Chesterfield
636-451Gray Summit
636-452Ware
636-456Warrenton
636-458Pond
636-459Foristell
636-461Imperial
636-462Troy
636-463Foristell
636-464Imperial
636-465Festus/Crystal City11/7/2006
636-466Wentzville3/28/2008
636-467Imperial
636-474O'Fallon
636-475Herculaneum/Pevely
636-477Harvester
636-479Herculaneum/Pevely
636-481Hillsboro7/5/2001
636-482Augusta
636-484Manchester
636-485St Peters
636-486Harvester8/26/2002
636-487St Charles8/26/2002
636-488Jonesburg
636-489Chesterfield
636-492Fenton
636-493St Charles
636-495High Ridge8/19/2013
636-496Fenton10/10/2008
636-497Wentzville
636-498Harvester
636-500Imperial
636-515O'Fallon1/27/2014
636-517Valley Park7/5/2001
636-519Chesterfield
636-524Festus/Crystal City3/13/2002
636-525Imperial7/5/2001
636-527Manchester
636-528Troy
636-529Valley Park
636-530Chesterfield
636-532Chesterfield
636-533Fenton
636-534Chesterfield
636-535Festus/Crystal City11/10/2014
636-536Chesterfield
636-537Chesterfield
636-538Wentzville
636-541St Charles6/8/2001
636-542O'Fallon6/19/2007
636-543Festus/Crystal City7/8/2009
636-544O'Fallon3/20/2002
636-547Imperial
636-548Maxville
636-549Eureka
636-551Cedar Hill3/17/2014
636-552Manchester
636-556Valley Park
636-557Manchester
636-561Dardenne
636-565De Soto2/27/2002
636-566Winfield
636-573St Charles
636-574St Charles
636-575High Ridge11/12/2001
636-577St Peters3/20/2002
636-578St Charles2/2/2001
636-579Chesterfield1/26/2001
636-582Union6/5/2008
636-583Union
636-584Union
636-585High Hill
636-586De Soto
636-587Eureka
636-590Chesterfield
636-591Manchester
636-594Manchester
636-597Truxton
636-600Fenton
636-614O'Fallon10/8/2001
636-622Troy
636-625Dardenne
636-626St Peters9/6/2018
636-627St Charles6/7/2002
636-628Manchester
636-629St Clair
636-633Imperial5/7/2001
636-634St Charles
636-635Cedar Hill6/4/2021
636-637Festus/Crystal City9/3/2019
636-638Festus/Crystal City5/22/2012
636-639Wentzville
636-642Imperial
636-648Portage Des Sioux
636-649Union10/27/2011
636-651Fenton
636-655Wentzville9/8/2021
636-660Fenton8/13/2002
636-661Old Monroe
636-662Foley
636-665Old Monroe
636-666Union12/24/2018
636-667Washington1/16/2002
636-668Winfield
636-669St Charles
636-671High Ridge
636-673Foristell
636-674Antonia
636-675Chesterfield1/18/2001
636-677High Ridge
636-678Fenton
636-679Wentzville
636-680Fenton
636-681Chesterfield
636-685Harvester
636-686Manchester
636-688St Charles
636-689Valley Park
636-692High Ridge
636-695Dardenne
636-696O'Fallon
636-697St Peters
636-698Wentzville
636-699St Charles
636-706St Peters9/20/2013
636-707Cedar Hill12/7/2004
636-717Fenton
636-720Harvester
636-722Harvester
636-723St Charles
636-724St Charles
636-725Festus/Crystal City4/18/2011
636-728Chesterfield
636-730Chesterfield
636-732Gray Summit10/24/2019
636-733Chesterfield
636-734St Charles
636-735Chesterfield
636-736Chesterfield
636-737Chesterfield
636-741Imperial
636-742Gray Summit
636-744Union3/28/2006
636-745Wright City
636-746Maxville 2/4/2022
636-747Pacific1/5/2016
636-748Cedar Hill3/5/2007
636-751Manchester
636-753Portage Des Sioux
636-754St Charles
636-755Dardenne1/20/2005
636-757St Charles
636-758St Clair10/25/2019
636-764Fenton
636-773St Charles4/9/2004
636-775Troy2/7/2011
636-777Chesterfield
636-778Chesterfield
636-779Manchester
636-782Holstein1/10/2007
636-787Chesterfield
636-789Hillsboro
636-791Wright City1/10/2007
636-793Harvester
636-794Harvester
636-795St Charles
636-797Hillsboro
636-798Defiance
636-800St Charles10/14/2015
636-812Chesterfield
636-821Pond
636-825Valley Park
636-827Valley Park
636-828New Melle
636-829High Ridge2/6/2019
636-837Herculaneum/Pevely12/22/2020
636-841Wentzville
636-849O'Fallon4/6/2017
636-851Harvester7/5/2001
636-856Wentzville1/23/2008
636-861Valley Park
636-865Hillsboro3/24/2017
636-866St Charles
636-867Jonesburg 1/11/2022
636-874O'Fallon 2/17/2022
636-875St Peters7/6/2007
636-887Wentzville12/13/2004
636-888St Clair1/21/2014
636-891Manchester
636-893Manchester
636-896St Charles
636-898Chesterfield
636-899Portage Des Sioux
636-900Washington10/14/2015
636-916St Charles
636-922Harvester
636-923Valley Park
636-925St Charles
636-926Harvester
636-928Harvester
636-931Festus/Crystal City
636-932Holstein
636-933Festus/Crystal City
636-936Harvester
636-937Festus/Crystal City
636-938Eureka
636-939Harvester
636-940St Charles
636-942Antonia
636-944Ware
636-946St Charles
636-947St Charles
636-948Antonia
636-949St Charles
636-970St Peters
636-978O'Fallon
636-980O'Fallon
636-987Defiance
636-999Pacific3/20/2015
  1. The NPA is the Numbering Plan Area (area code) and NXX is the central office code.
  2. For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
  3. The assignment date. If no date is shown the exchange code was assigned before 2001.

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List of cities in area code 636

City4 County Time5
AllentonSt Louis C
ArnoldJefferson C
AugustaSt Charles C
BallwinSt Louis C
BarnhartJefferson C
BlackwellSt Francois C
CatawissaFranklin C
Cedar HillJefferson C
ChesterfieldSt Louis C
CottlevilleSt Charles C
Crystal CityJefferson C
De SotoJefferson C
DefianceSt Charles C
DittmerJefferson C
DutzowWarren C
EurekaSt Louis C
FentonSt Louis C
FestusJefferson C
FlinthillSt Charles C
FoleyLincoln C
ForistellSt Charles C
Gray SummitFranklin C
GroverSt Louis C
GrubvilleFranklin C
Hawk PointLincoln C
HematiteJefferson C
HerculaneumJefferson C
High HillMontgomery C
High RidgeJefferson C
HillsboroJefferson C
House SpringsJefferson C
ImperialJefferson C
JonesburgMontgomery C
KimmswickJefferson C
LabadieFranklin C
Lake St LouisSt Charles C
LiguoriJefferson C
LonedellFranklin C
LuebberingFranklin C
MapavilleJefferson C
MarthasvilleWarren C
Morse MillJefferson C
Moscow MillsLincoln C
New MelleSt Charles C
O'FallonSt Charles C
Old MonroeLincoln C
PacificFranklin C
PevelyJefferson C
Portage Des SiouxSt Charles C
RobertsvilleFranklin C
St AlbansFranklin C
St CharlesSt Charles C
St ClairFranklin C
St PetersSt Charles C
TreloarWarren C
TroyLincoln C
TruxtonLincoln C
UnionFranklin C
Valles MinesSt Francois C
Villa RidgeFranklin C
WarrentonWarren C
WashingtonFranklin C
WentzvilleSt Charles C
West AltonSt Charles C
WinfieldLincoln C
Wright CityWarren C
  1. Listed in the table above are most, often not all places served by area code 636. When two or more places with the same name are located in the same state we list the largest one only. Cities with population over 50,000 are displayed in bold text.
  2. C stands for Central Time (currently 08:18:03 AM).

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