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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 May 22, 1999.

05:21:54 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
636-200 Manchester
636-201 Warrenton 8/17/2020
636-202 Warrenton 9/18/2018
636-203 Fenton
636-204 Warrenton 6/17/2021
636-205 Winfield 8/16/2002
636-206 St Charles 3/28/2014
636-207 Manchester
636-208 Festus/Crystal City 10/23/2002
636-209 Festus/Crystal City
636-210 Union 9/29/2020
636-212 Maxville 10/28/2002
636-213 Warrenton 1/11/2022
636-214 Chesterfield 1/11/2022
636-215 Maxville 1/7/2016
636-216 Chesterfield 6/3/2004
636-218 Maxville 5/26/2021
636-219 St Charles 2/2/2001
636-220 Manchester
636-221 Washington 5/14/2002
636-222 Cedar Hill 10/28/2002
636-223 Imperial 1/29/2002
636-224 Herculaneum/Pevely
636-225 Valley Park
636-226 Valley Park
636-227 Manchester
636-228 Augusta
636-229 Harvester
636-230 Manchester
636-231 Washington 4/9/2002
636-232 Festus/Crystal City 4/9/2002
636-233 St Charles 11/6/2001
636-234 Union 4/9/2002
636-235 Warrenton 4/9/2002
636-236 Chesterfield 5/10/2001
636-237 Chesterfield
636-238 Manchester
636-239 Washington
636-240 O'Fallon
636-241 Washington 8/3/2022
636-242 Marthasville 10/12/2006
636-243 De Soto 4/9/2002
636-244 Harvester 8/8/2001
636-245 Maxville 9/21/2020
636-246 St Charles 4/2/2004
636-247 Chesterfield 5/16/2002
636-248 St Peters
636-249 Union 7/3/2014
636-250 Orchard Farm
636-251 Foristell
636-252 Chesterfield 6/29/2021
636-253 High Ridge 5/7/2001
636-255 St Charles
636-256 Manchester
636-257 Pacific
636-258 Orchard Farm
636-259 Gray Summit 5/7/2001
636-261 Harvester 4/14/2003
636-262 Chesterfield
636-263 Harvester 10/18/2001
636-264 Winfield 5/16/2002
636-265 Dardenne 8/8/2001
636-266 Washington 2/28/2002
636-270 Ware 3/11/2021
636-271 Pacific
636-272 O'Fallon
636-273 Pond
636-274 Cedar Hill
636-275 Maxville 2/11/2015
636-277 St Charles 3/8/2010
636-278 St Peters
636-279 St Peters
636-280 Eureka 3/11/2021
636-281 O'Fallon
636-282 Maxville
636-283 Washington 6/6/2007
636-284 Harvester 5/15/2002
636-285 Cedar Hill
636-287 Maxville
636-288 St Charles
636-289 Hawk Point 2/1/2022
636-290 Troy 8/9/2002
636-292 Chesterfield 4/26/2018
636-293 O'Fallon 8/9/2002
636-294 O'Fallon 8/8/2001
636-295 Troy
636-296 Maxville
636-297 Warrenton
636-299 Chesterfield
636-300 Harvester 5/1/2001
636-303 Union 3/23/2017
636-305 Fenton
636-306 Herculaneum/Pevely 7/3/2014
636-310 Hillsboro 4/5/2016
636-312 O'Fallon 11/6/2015
636-317 Harvester 2/18/2016
636-318 Troy
636-319 Dardenne 5/14/2020
636-320 Harvester
636-321 Maxville
636-322 St Clair 1/10/2006
636-323 Antonia 1/10/2003
636-324 Pond 3/5/2007
636-326 Fenton
636-327 Wentzville
636-328 St Charles
636-329 Harvester 5/1/2001
636-330 De Soto 3/6/2019
636-331 Festus/Crystal City 8/9/2017
636-332 Wentzville
636-333 Maxville
636-334 Pacific 1/10/2003
636-335 Fenton 7/27/2020
636-336 Harvester
636-337 De Soto
636-338 Hawk Point
636-339 O'Fallon 8/25/2020
636-341 Festus/Crystal City 4/28/2021
636-342 Harvester 12/22/2021
636-343 Fenton
636-344 Harvester 5/24/2005
636-345 Harvester
636-346 Chesterfield
636-347 De Soto 5/14/2021
636-348 St Peters 9/1/2020
636-349 Fenton
636-351 Ofallon 1/9/2022
636-352 St Charles
636-354 Harvester 8/16/2021
636-355 Foley 1/10/2007
636-356 Moscow Mills
636-357 Wentzville
636-358 Troy
636-359 Warrenton
636-362 Harvester 4/18/2013
636-363 Maxville
636-364 St Clair 1/10/2003
636-366 Moscow Mills
636-368 Chesterfield 7/5/2001
636-369 Washington 3/11/2021
636-373 St Charles
636-375 High Ridge
636-376 High Ridge
636-377 Warrenton 10/12/2006
636-379 O'Fallon
636-383 Troy 7/3/2014
636-384 Wright City
636-385 O'Fallon 2/25/2011
636-386 Manchester
636-387 St Peters 8/8/2001
636-388 Union 2/28/2002
636-389 St Charles
636-390 Washington
636-391 Manchester
636-392 Washington 6/3/2008
636-393 Pacific 12/13/2004
636-394 Manchester
636-395 St Charles
636-397 St Peters
636-398 New Melle
636-399 Manchester
636-400 Portage Des Sioux
636-402 Gray Summit 7/5/2001
636-403 Harvester
636-405 Pond
636-409 O'Fallon 1/5/2016
636-410 St Charles
636-412 Valley Park
636-422 Pond 5/11/2005
636-425 Portage Des Sioux
636-426 Portage Des Sioux 5/10/2001
636-428 High Ridge 6/16/2015
636-429 Eureka 2/1/2013
636-431 Valley Park
636-432 Washington 1/10/2006
636-433 Marthasville
636-434 Portage Des Sioux 7/5/2001
636-435 Valley Park
636-438 Manchester
636-439 O'Fallon 1/14/2011
636-441 Harvester
636-442 Harvester
636-443 St Charles
636-444 Valley Park
636-445 Wentzville 11/13/2012
636-447 Harvester
636-448 St Charles
636-449 Chesterfield
636-451 Gray Summit
636-452 Ware
636-456 Warrenton
636-458 Pond
636-459 Foristell
636-461 Imperial
636-462 Troy
636-463 Foristell
636-464 Imperial
636-465 Festus/Crystal City 11/7/2006
636-466 Wentzville 3/28/2008
636-467 Imperial
636-474 O'Fallon
636-475 Herculaneum/Pevely
636-477 Harvester
636-479 Herculaneum/Pevely
636-481 Hillsboro 7/5/2001
636-482 Augusta
636-484 Manchester
636-485 St Peters
636-486 Harvester 8/26/2002
636-487 St Charles 8/26/2002
636-488 Jonesburg
636-489 Chesterfield
636-492 Fenton
636-493 St Charles
636-495 High Ridge 8/19/2013
636-496 Fenton 10/10/2008
636-497 Wentzville
636-498 Harvester
636-500 Imperial
636-515 O'Fallon 1/27/2014
636-517 Valley Park 7/5/2001
636-519 Chesterfield
636-524 Festus/Crystal City 3/13/2002
636-525 Imperial 7/5/2001
636-527 Manchester
636-528 Troy
636-529 Valley Park
636-530 Chesterfield
636-532 Chesterfield
636-533 Fenton
636-534 Chesterfield
636-535 Festus/Crystal City 11/10/2014
636-536 Chesterfield
636-537 Chesterfield
636-538 Wentzville
636-541 St Charles 6/8/2001
636-542 O'Fallon 6/19/2007
636-543 Festus/Crystal City 7/8/2009
636-544 O'Fallon 3/20/2002
636-547 Imperial
636-548 Maxville
636-549 Eureka
636-551 Cedar Hill 3/17/2014
636-552 Manchester
636-556 Valley Park
636-557 Manchester
636-561 Dardenne
636-565 De Soto 2/27/2002
636-566 Winfield
636-573 St Charles
636-574 St Charles
636-575 High Ridge 11/12/2001
636-577 St Peters 3/20/2002
636-578 St Charles 2/2/2001
636-579 Chesterfield 1/26/2001
636-582 Union 6/5/2008
636-583 Union
636-584 Union
636-585 High Hill
636-586 De Soto
636-587 Eureka
636-590 Chesterfield
636-591 Manchester
636-594 Manchester
636-597 Truxton
636-600 Fenton
636-614 O'Fallon 10/8/2001
636-622 Troy
636-625 Dardenne
636-626 St Peters 9/6/2018
636-627 St Charles 6/7/2002
636-628 Manchester
636-629 St Clair
636-630 O'Fallon 5/19/2022
636-633 Imperial 5/7/2001
636-634 St Charles
636-635 Cedar Hill 6/4/2021
636-637 Festus/Crystal City 9/3/2019
636-638 Festus/Crystal City 5/22/2012
636-639 Wentzville
636-642 Imperial
636-648 Portage Des Sioux
636-649 Union 10/27/2011
636-651 Fenton
636-655 Wentzville 9/8/2021
636-660 Fenton 8/13/2002
636-661 Old Monroe
636-662 Foley
636-665 Old Monroe
636-666 Union 12/24/2018
636-667 Washington 1/16/2002
636-668 Winfield
636-669 St Charles
636-671 High Ridge
636-673 Foristell
636-674 Antonia
636-675 Chesterfield 1/18/2001
636-677 High Ridge
636-678 Fenton
636-679 Wentzville
636-680 Fenton
636-681 Chesterfield
636-685 Harvester
636-686 Manchester
636-688 St Charles
636-689 Valley Park
636-692 High Ridge
636-695 Dardenne
636-696 O'Fallon
636-697 St Peters
636-698 Wentzville
636-699 St Charles
636-706 St Peters 9/20/2013
636-707 Cedar Hill 12/7/2004
636-717 Fenton
636-720 Harvester
636-722 Harvester
636-723 St Charles
636-724 St Charles
636-725 Festus/Crystal City 4/18/2011
636-728 Chesterfield
636-730 Chesterfield
636-732 Gray Summit 10/24/2019
636-733 Chesterfield
636-734 St Charles
636-735 Chesterfield
636-736 Chesterfield
636-737 Chesterfield
636-741 Imperial
636-742 Gray Summit
636-744 Union 3/28/2006
636-745 Wright City
636-746 Maxville 2/4/2022
636-747 Pacific 1/5/2016
636-748 Cedar Hill 3/5/2007
636-751 Manchester
636-753 Portage Des Sioux
636-754 St Charles
636-755 Dardenne 1/20/2005
636-757 St Charles
636-758 St Clair 10/25/2019
636-764 Fenton
636-773 St Charles 4/9/2004
636-775 Troy 2/7/2011
636-777 Chesterfield
636-778 Chesterfield
636-779 Manchester
636-782 Holstein 1/10/2007
636-787 Chesterfield
636-789 Hillsboro
636-791 Wright City 1/10/2007
636-793 Harvester
636-794 Harvester
636-795 St Charles
636-797 Hillsboro
636-798 Defiance
636-800 St Charles 10/14/2015
636-812 Chesterfield
636-821 Pond
636-825 Valley Park
636-827 Valley Park
636-828 New Melle
636-829 High Ridge 2/6/2019
636-837 Herculaneum/Pevely 12/22/2020
636-841 Wentzville
636-849 O'Fallon 4/6/2017
636-851 Harvester 7/5/2001
636-856 Wentzville 1/23/2008
636-861 Valley Park
636-865 Hillsboro 3/24/2017
636-866 St Charles
636-867 Jonesburg 1/11/2022
636-874 O'Fallon 2/17/2022
636-875 St Peters 7/6/2007
636-887 Wentzville 12/13/2004
636-888 St Clair 1/21/2014
636-891 Manchester
636-893 Manchester
636-896 St Charles
636-898 Chesterfield
636-899 Portage Des Sioux
636-900 Washington 10/14/2015
636-916 St Charles
636-922 Harvester
636-923 Valley Park
636-925 St Charles
636-926 Harvester
636-928 Harvester
636-931 Festus/Crystal City
636-932 Holstein
636-933 Festus/Crystal City
636-936 Harvester
636-937 Festus/Crystal City
636-938 Eureka
636-939 Harvester
636-940 St Charles
636-942 Antonia
636-944 Ware
636-946 St Charles
636-947 St Charles
636-948 Antonia
636-949 St Charles
636-970 St Peters
636-978 O'Fallon
636-980 O'Fallon
636-987 Defiance
636-999 Pacific 3/20/2015
  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
Allenton St Louis C
Arnold Jefferson C
Augusta St Charles C
Ballwin St Louis C
Barnhart Jefferson C
Blackwell St Francois C
Catawissa Franklin C
Cedar Hill Jefferson C
Chesterfield St Louis C
Cottleville St Charles C
Crystal City Jefferson C
De Soto Jefferson C
Defiance St Charles C
Dittmer Jefferson C
Dutzow Warren C
Eureka St Louis C
Fenton St Louis C
Festus Jefferson C
Flinthill St Charles C
Foley Lincoln C
Foristell St Charles C
Gray Summit Franklin C
Grover St Louis C
Grubville Franklin C
Hawk Point Lincoln C
Hematite Jefferson C
Herculaneum Jefferson C
High Hill Montgomery C
High Ridge Jefferson C
Hillsboro Jefferson C
House Springs Jefferson C
Imperial Jefferson C
Jonesburg Montgomery C
Kimmswick Jefferson C
Labadie Franklin C
Lake St Louis St Charles C
Liguori Jefferson C
Lonedell Franklin C
Luebbering Franklin C
Mapaville Jefferson C
Marthasville Warren C
Morse Mill Jefferson C
Moscow Mills Lincoln C
New Melle St Charles C
O'Fallon St Charles C
Old Monroe Lincoln C
Pacific Franklin C
Pevely Jefferson C
Portage Des Sioux St Charles C
Robertsville Franklin C
St Albans Franklin C
St Charles St Charles C
St Clair Franklin C
St Peters St Charles C
Treloar Warren C
Troy Lincoln C
Truxton Lincoln C
Union Franklin C
Valles Mines St Francois C
Villa Ridge Franklin C
Warrenton Warren C
Washington Franklin C
Wentzville St Charles C
West Alton St Charles C
Winfield Lincoln C
Wright City Warren 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 05:21:54 AM).

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