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636 Area Code

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

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

05:45:47 AM is the current time in area code 636 (Central Time Zone).

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636 phone number location

NPANXX Area served1 Date2
636-200 Manchester N/A
636-201 Warrenton 8/17/2020
636-202 Warrenton 9/18/2018
636-203 Fenton N/A
636-204 Warrenton 6/17/2021
636-205 Winfield 8/16/2002
636-206 St Charles 3/28/2014
636-207 Manchester N/A
636-208 Festus/ Crystal City 10/23/2002
636-209 Festus/ Crystal City N/A
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 N/A
636-221 Washington 5/14/2002
636-222 Cedar Hill 10/28/2002
636-223 Imperial 1/29/2002
636-224 Herculaneum/ Pevely N/A
636-225 Valley Park N/A
636-226 Valley Park N/A
636-227 Manchester N/A
636-228 Augusta N/A
636-229 Harvester N/A
636-230 Manchester N/A
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 N/A
636-238 Manchester N/A
636-239 Washington N/A
636-240 O'Fallon N/A
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 N/A
636-249 Union 7/3/2014
636-250 Orchard Farm N/A
636-251 Foristell N/A
636-252 Chesterfield 6/29/2021
636-253 High Ridge 5/7/2001
636-255 St Charles N/A
636-256 Manchester N/A
636-257 Pacific N/A
636-258 Orchard Farm N/A
636-259 Gray Summit 5/7/2001
636-261 Harvester 4/14/2003
636-262 Chesterfield N/A
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 N/A
636-272 O'Fallon N/A
636-273 Pond N/A
636-274 Cedar Hill N/A
636-275 Maxville 2/11/2015
636-277 St Charles 3/8/2010
636-278 St Peters N/A
636-279 St Peters N/A
636-280 Eureka 3/11/2021
636-281 O'Fallon N/A
636-282 Maxville N/A
636-283 Washington 6/6/2007
636-284 Harvester 5/15/2002
636-285 Cedar Hill N/A
636-287 Maxville N/A
636-288 St Charles N/A
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 N/A
636-296 Maxville N/A
636-297 Warrenton N/A
636-299 Chesterfield N/A

NPANXX Area served1 Date2
636-300 Harvester 5/1/2001
636-303 Union 3/23/2017
636-305 Fenton N/A
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 N/A
636-319 Dardenne 5/14/2020
636-320 Harvester N/A
636-321 Maxville N/A
636-322 St Clair 1/10/2006
636-323 Antonia 1/10/2003
636-324 Pond 3/5/2007
636-326 Fenton N/A
636-327 Wentzville N/A
636-328 St Charles N/A
636-329 Harvester 5/1/2001
636-330 De Soto 3/6/2019
636-331 Festus/ Crystal City 8/9/2017
636-332 Wentzville N/A
636-333 Maxville N/A
636-334 Pacific 1/10/2003
636-335 Fenton 7/27/2020
636-336 Harvester N/A
636-337 De Soto N/A
636-338 Hawk Point N/A
636-339 O'Fallon 8/25/2020
636-341 Festus/ Crystal City 4/28/2021
636-342 Harvester 12/22/2021
636-343 Fenton N/A
636-344 Harvester 5/24/2005
636-345 Harvester N/A
636-346 Chesterfield N/A
636-347 De Soto 5/14/2021
636-348 St Peters 9/1/2020
636-349 Fenton N/A
636-351 Ofallon 1/9/2022
636-352 St Charles N/A
636-354 Harvester 8/16/2021
636-355 Foley 1/10/2007
636-356 Moscow Mills N/A
636-357 Wentzville N/A
636-358 Troy N/A
636-359 Warrenton N/A
636-362 Harvester 4/18/2013
636-363 Maxville N/A
636-364 St Clair 1/10/2003
636-366 Moscow Mills N/A
636-368 Chesterfield 7/5/2001
636-369 Washington 3/11/2021
636-373 St Charles N/A
636-375 High Ridge N/A
636-376 High Ridge N/A
636-377 Warrenton 10/12/2006
636-379 O'Fallon N/A
636-383 Troy 7/3/2014
636-384 Wright City N/A
636-385 O'Fallon 2/25/2011
636-386 Manchester N/A
636-387 St Peters 8/8/2001
636-388 Union 2/28/2002
636-389 St Charles N/A
636-390 Washington N/A
636-391 Manchester N/A
636-392 Washington 6/3/2008
636-393 Pacific 12/13/2004
636-394 Manchester N/A
636-395 St Charles N/A
636-397 St Peters N/A
636-398 New Melle N/A
636-399 Manchester N/A

NPANXX Area served1 Date2
636-400 Portage Des Sioux N/A
636-402 Gray Summit 7/5/2001
636-403 Harvester N/A
636-405 Pond N/A
636-409 O'Fallon 1/5/2016
636-410 St Charles N/A
636-412 Valley Park N/A
636-422 Pond 5/11/2005
636-425 Portage Des Sioux N/A
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 N/A
636-432 Washington 1/10/2006
636-433 Marthasville N/A
636-434 Portage Des Sioux 7/5/2001
636-435 Valley Park N/A
636-438 Manchester N/A
636-439 O'Fallon 1/14/2011
636-441 Harvester N/A
636-442 Harvester N/A
636-443 St Charles N/A
636-444 Valley Park N/A
636-445 Wentzville 11/13/2012
636-447 Harvester N/A
636-448 St Charles N/A
636-449 Chesterfield N/A
636-451 Gray Summit N/A
636-452 Ware N/A
636-456 Warrenton N/A
636-458 Pond N/A
636-459 Foristell N/A
636-461 Imperial N/A
636-462 Troy N/A
636-463 Foristell N/A
636-464 Imperial N/A
636-465 Festus/ Crystal City 11/7/2006
636-466 Wentzville 3/28/2008
636-467 Imperial N/A
636-474 O'Fallon N/A
636-475 Herculaneum/ Pevely N/A
636-477 Harvester N/A
636-479 Herculaneum/ Pevely N/A
636-481 Hillsboro 7/5/2001
636-482 Augusta N/A
636-484 Manchester N/A
636-485 St Peters N/A
636-486 Harvester 8/26/2002
636-487 St Charles 8/26/2002
636-488 Jonesburg N/A
636-489 Chesterfield N/A
636-492 Fenton N/A
636-493 St Charles N/A
636-495 High Ridge 8/19/2013
636-496 Fenton 10/10/2008
636-497 Wentzville N/A
636-498 Harvester N/A

NPANXX Area served1 Date2
636-500 Imperial N/A
636-515 O'Fallon 1/27/2014
636-517 Valley Park 7/5/2001
636-519 Chesterfield N/A
636-524 Festus/ Crystal City 3/13/2002
636-525 Imperial 7/5/2001
636-527 Manchester N/A
636-528 Troy N/A
636-529 Valley Park N/A
636-530 Chesterfield N/A
636-532 Chesterfield N/A
636-533 Fenton N/A
636-534 Chesterfield N/A
636-535 Festus/ Crystal City 11/10/2014
636-536 Chesterfield N/A
636-537 Chesterfield N/A
636-538 Wentzville N/A
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 N/A
636-548 Maxville N/A
636-549 Eureka N/A
636-551 Cedar Hill 3/17/2014
636-552 Manchester N/A
636-556 Valley Park N/A
636-557 Manchester N/A
636-561 Dardenne N/A
636-565 De Soto 2/27/2002
636-566 Winfield N/A
636-573 St Charles N/A
636-574 St Charles N/A
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 N/A
636-584 Union N/A
636-585 High Hill N/A
636-586 De Soto N/A
636-587 Eureka N/A
636-589 Warrenton 11/15/2022
636-590 Chesterfield N/A
636-591 Manchester N/A
636-594 Manchester N/A
636-597 Truxton N/A

NPANXX Area served1 Date2
636-600 Fenton N/A
636-614 O'Fallon 10/8/2001
636-622 Troy N/A
636-625 Dardenne N/A
636-626 St Peters 9/6/2018
636-627 St Charles 6/7/2002
636-628 Manchester N/A
636-629 St Clair N/A
636-630 O'Fallon 5/19/2022
636-633 Imperial 5/7/2001
636-634 St Charles N/A
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 N/A
636-642 Imperial N/A
636-648 Portage Des Sioux N/A
636-649 Union 10/27/2011
636-651 Fenton N/A
636-655 Wentzville 9/8/2021
636-660 Fenton 8/13/2002
636-661 Old Monroe N/A
636-662 Foley N/A
636-665 Old Monroe N/A
636-666 Union 12/24/2018
636-667 Washington 1/16/2002
636-668 Winfield N/A
636-669 St Charles N/A
636-671 High Ridge N/A
636-673 Foristell N/A
636-674 Antonia N/A
636-675 Chesterfield 1/18/2001
636-677 High Ridge N/A
636-678 Fenton N/A
636-679 Wentzville N/A
636-680 Fenton N/A
636-681 Chesterfield N/A
636-685 Harvester N/A
636-686 Manchester N/A
636-688 St Charles N/A
636-689 Valley Park N/A
636-692 High Ridge N/A
636-695 Dardenne N/A
636-696 O'Fallon N/A
636-697 St Peters N/A
636-698 Wentzville N/A
636-699 St Charles N/A
NPANXX Area served1 Date2
636-706 St Peters 9/20/2013
636-707 Cedar Hill 12/7/2004
636-717 Fenton N/A
636-720 Harvester N/A
636-722 Harvester N/A
636-723 St Charles N/A
636-724 St Charles N/A
636-725 Festus/ Crystal City 4/18/2011
636-728 Chesterfield N/A
636-730 Chesterfield N/A
636-732 Gray Summit 10/24/2019
636-733 Chesterfield N/A
636-734 St Charles N/A
636-735 Chesterfield N/A
636-736 Chesterfield N/A
636-737 Chesterfield N/A
636-741 Imperial N/A
636-742 Gray Summit N/A
636-744 Union 3/28/2006
636-745 Wright City N/A
636-746 Maxville 2/4/2022
636-747 Pacific 1/5/2016
636-748 Cedar Hill 3/5/2007
636-751 Manchester N/A
636-753 Portage Des Sioux N/A
636-754 St Charles N/A
636-755 Dardenne 1/20/2005
636-757 St Charles N/A
636-758 St Clair 10/25/2019
636-764 Fenton N/A
636-773 St Charles 4/9/2004
636-775 Troy 2/7/2011
636-777 Chesterfield N/A
636-778 Chesterfield N/A
636-779 Manchester N/A
636-782 Holstein 1/10/2007
636-787 Chesterfield N/A
636-789 Hillsboro N/A
636-791 Wright City 1/10/2007
636-793 Harvester N/A
636-794 Harvester N/A
636-795 St Charles N/A
636-797 Hillsboro N/A
636-798 Defiance N/A
NPANXX Area served1 Date2
636-800 St Charles 10/14/2015
636-812 Chesterfield N/A
636-821 Pond N/A
636-825 Valley Park N/A
636-827 Valley Park N/A
636-828 New Melle N/A
636-829 High Ridge 2/6/2019
636-837 Herculaneum/ Pevely 12/22/2020
636-841 Wentzville N/A
636-849 O'Fallon 4/6/2017
636-851 Harvester 7/5/2001
636-856 Wentzville 1/23/2008
636-861 Valley Park N/A
636-865 Hillsboro 3/24/2017
636-866 St Charles N/A
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 N/A
636-893 Manchester N/A
636-896 St Charles N/A
636-898 Chesterfield N/A
636-899 Portage Des Sioux N/A

NPANXX Area served1 Date2
636-900 Washington 10/14/2015
636-916 St Charles N/A
636-922 Harvester N/A
636-923 Valley Park N/A
636-925 St Charles N/A
636-926 Harvester N/A
636-928 Harvester N/A
636-931 Festus/ Crystal City N/A
636-932 Holstein N/A
636-933 Festus/ Crystal City N/A
636-936 Harvester N/A
636-937 Festus/ Crystal City N/A
636-938 Eureka N/A
636-939 Harvester N/A
636-940 St Charles N/A
636-942 Antonia N/A
636-944 Ware N/A
636-946 St Charles N/A
636-947 St Charles N/A
636-948 Antonia N/A
636-949 St Charles N/A
636-970 St Peters N/A
636-978 O'Fallon N/A
636-980 O'Fallon N/A
636-987 Defiance N/A
636-999 Pacific 3/20/2015
  1. 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.
  2. Assignment date. N/A - mostly CO codes assigned before 2001.
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Cities in area code 636

City1 County Time2
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 above are most places served by area code 636. When multiple places in a state/province share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
  2. C stands for Central Time Zone (currently 05:45:47 AM).
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