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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).

Reverse phone lookup

Map of area code 636

More Missouri area codes

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

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.
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

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.
C stands for Central Time Zone (currently 05:45:47 AM).

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636 Area Code

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Map of area code 636

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636 phone number location

636-2XX-XXXX

636-3XX-XXXX

636-4XX-XXXX

636-5XX-XXXX

636-6XX-XXXX

636-9XX-XXXX

Cities in area code 636