636
O'Fallon, Missouri
Missouri · Central (UTC-6) · — · 14 cities
Cities Served by Area Code 636 (14 cities)
Additional Details
Established
1999
Type
Split
Active Prefixes
450
Wireless Lines
26%
About Area Code 636
Area code 636 was created in 1999 as a split from a previously larger area code region. It serves the O'Fallon, Missouri metropolitan area. The area is in the Central time zone. It covers 14 cities and communities including Arnold, Ballwin, Chesterfield, Crystal City, Eureka and 9 more.
Phone Number Prefixes in Area Code 636
450 active NXX prefixes — 26% wireless, 74% landline. Each prefix (NXX) represents up to 10,000 phone numbers.
AT&T (SW Bell) 110 (24%)Brightspeed Of Missouri 49 (11%)T-Mobile 34 (8%)Onvoy 33 (7%)AT&T Mobility 29 (6%)
| Prefix | Carrier | Type | Rate Center |
|---|---|---|---|
| 636-200 | Onvoy | Landline | Manchester |
| 636-201 | AT&T Mobility | Wireless | Warrenton |
| 636-202 | MCI/Verizon | Wireless | Warrenton |
| 636-203 | MCI/Verizon | Wireless | Fenton |
| 636-204 | Onvoy | Landline | Warrenton |
| 636-205 | Lumen/Level 3 | Landline | Winfield |
| 636-206 | AT&T | Landline | St Charles |
| 636-207 | AT&T (SW Bell) | Landline | Manchester |
| 636-208 | AT&T Mobility | Wireless | Fsscrstlcy |
| 636-209 | Verizon Wireless | Wireless | Fsscrstlcy |
| 636-210 | AT&T Mobility | Wireless | Union |
| 636-211 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 636-212 | Verizon Wireless | Wireless | Maxville |
| 636-213 | T-Mobile | Wireless | Warrenton |
| 636-214 | T-Mobile | Wireless | Chesterfld |
| 636-215 | Verizon Wireless | Wireless | Maxville |
| 636-216 | Onvoy | Landline | Chesterfld |
| 636-217 | Landline | ||
| 636-218 | AT&T Mobility | Wireless | Maxville |
| 636-219 | T-Mobile | Wireless | St Charles |
| 636-220 | Spectrum | Landline | Manchester |
| 636-221 | AT&T (SW Bell) | Landline | Washington |
| 636-222 | Verizon Wireless | Wireless | Cedar Hill |
| 636-223 | Spectrum | Landline | Imperial |
| 636-224 | Paetec Itel | Landline | Hercumpvly |
| 636-225 | AT&T (SW Bell) | Landline | Valleypark |
| 636-226 | AT&T (SW Bell) | Landline | Valleypark |
| 636-227 | AT&T (SW Bell) | Landline | Manchester |
| 636-228 | Brightspeed Of Missouri | Landline | Augusta |
| 636-229 | MCI/Verizon | Wireless | Harvester |
| 636-230 | AT&T (SW Bell) | Landline | Manchester |
| 636-231 | Paetec Itel | Landline | Washington |
| 636-232 | Lumen/Level 3 | Landline | Fsscrstlcy |
| 636-233 | Verizon Wireless | Wireless | St Charles |
| 636-234 | Lumen/Level 3 | Landline | Union |
| 636-235 | Lumen/Level 3 | Landline | Warrenton |
| 636-236 | T-Mobile | Wireless | Chesterfld |
| 636-237 | MCI/Verizon | Wireless | Chesterfld |
| 636-238 | MCI/Verizon | Wireless | Manchester |
| 636-239 | AT&T (SW Bell) | Landline | Washington |
| 636-240 | Brightspeed Of Missouri | Landline | Ofallon |
| 636-241 | Verizon Wireless | Wireless | Washington |
| 636-242 | Brightspeed Of Missouri | Landline | Marthasvl |
| 636-243 | Lumen/Level 3 | Landline | De Soto |
| 636-244 | Spectrum | Landline | Harvester |
| 636-245 | AT&T Mobility | Wireless | Maxville |
| 636-246 | Onvoy | Landline | St Charles |
| 636-247 | AT&T (SW Bell) | Landline | Chesterfld |
| 636-248 | Verizon Wireless | Wireless | St Peters |
| 636-249 | Metro by T-Mobile | Wireless | Union |
| 636-250 | Orchard Farm Tel. Co | Landline | Orchardfrm |
| 636-251 | Verizon Wireless | Wireless | Foristell |
| 636-252 | T-Mobile | Wireless | Chesterfld |
| 636-253 | T-Mobile | Wireless | High Ridge |
| 636-254 | Verizon Wireless | Wireless | Manchester |
| 636-255 | AT&T (SW Bell) | Landline | St Charles |
| 636-256 | AT&T (SW Bell) | Landline | Manchester |
| 636-257 | AT&T (SW Bell) | Landline | Pacific |
| 636-258 | Orchard Farm Tel. Co | Landline | Orchardfrm |
| 636-259 | T-Mobile | Wireless | Graysummit |
| 636-260 | Onvoy | Landline | St Charles |
| 636-261 | AT&T (SW Bell) | Landline | Harvester |
| 636-262 | T-Mobile | Wireless | Chesterfld |
| 636-263 | AT&T | Landline | Harvester |
| 636-264 | Lumen/Level 3 | Landline | Winfield |
| 636-265 | Spectrum | Landline | Dardenne |
| 636-266 | Lumen/Level 3 | Landline | Washington |
| 636-267 | Onvoy | Landline | Antonia |
| 636-268 | Onvoy | Landline | Chesterfld |
| 636-269 | Onvoy | Landline | Maxville |
| 636-270 | Onvoy | Landline | Ware |
| 636-271 | AT&T (SW Bell) | Landline | Pacific |
| 636-272 | Brightspeed Of Missouri | Landline | Ofallon |
| 636-273 | AT&T (SW Bell) | Landline | Pond |
| 636-274 | AT&T (SW Bell) | Landline | Cedar Hill |
| 636-275 | Verizon Wireless | Wireless | Maxville |
| 636-276 | Onvoy | Landline | St Clair |
| 636-277 | Peerless Network Of Missouri | Landline | St Charles |
| 636-278 | Brightspeed Of Missouri | Landline | St Peters |
| 636-279 | Brightspeed Of Missouri | Landline | St Peters |
| 636-280 | Onvoy | Landline | Eureka |
| 636-281 | Brightspeed Of Missouri | Landline | Ofallon |
| 636-282 | AT&T (SW Bell) | Landline | Maxville |
| 636-283 | Teleport Communications America | Landline | Washington |
| 636-284 | AT&T Mobility | Wireless | Harvester |
| 636-285 | AT&T (SW Bell) | Landline | Cedar Hill |
| 636-286 | AT&T Mobility | Wireless | Union |
| 636-287 | AT&T (SW Bell) | Landline | Maxville |
| 636-288 | AT&T Mobility | Wireless | St Charles |
| 636-289 | Bandwidth.com | Landline | Hawk Point |
| 636-290 | T-Mobile | Wireless | Troy |
| 636-291 | AT&T Mobility | Wireless | Washington |
| 636-292 | Teleport Communications America | Landline | Chesterfld |
| 636-293 | T-Mobile | Wireless | Ofallon |
| 636-294 | Spectrum | Landline | Ofallon |
| 636-295 | Verizon Wireless | Wireless | Troy |
| 636-296 | AT&T (SW Bell) | Landline | Maxville |
| 636-297 | Verizon Wireless | Wireless | Warrenton |
| 636-298 | AT&T Mobility | Wireless | Manchester |
| 636-299 | T-Mobile | Wireless | Chesterfld |
| 636-300 | AT&T (SW Bell) | Landline | Harvester |
| 636-303 | Telnyx | Landline | Union |
| 636-305 | AT&T (SW Bell) | Landline | Fenton |
| 636-306 | Metro by T-Mobile | Wireless | Hercumpvly |
| 636-310 | Spectrum | Landline | Hillsboro |
| 636-311 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 636-312 | AT&T Mobility | Wireless | Ofallon |
| 636-314 | Landline | ||
| 636-317 | Spectrum | Landline | Harvester |
| 636-318 | T-Mobile | Wireless | Troy |
| 636-319 | Brightspeed Of Missouri | Landline | Dardenne |
| 636-320 | Usa Mobility Wireless | Wireless | Harvester |
| 636-321 | Paetec Itel | Landline | Maxville |
| 636-322 | AT&T (SW Bell) | Landline | St Clair |
| 636-323 | Lumen/Level 3 | Landline | Antonia |
| 636-324 | Onvoy | Landline | Pond |
| 636-326 | AT&T (SW Bell) | Landline | Fenton |
| 636-327 | Brightspeed Of Missouri | Landline | Wentzville |
| 636-328 | MCI/Verizon | Wireless | St Charles |
| 636-329 | AT&T (SW Bell) | Landline | Harvester |
| 636-330 | Peerless Network Of Missouri | Landline | De Soto |
| 636-331 | T-Mobile | Wireless | Fsscrstlcy |
| 636-332 | Brightspeed Of Missouri | Landline | Wentzville |
| 636-333 | Onvoy | Landline | Maxville |
| 636-334 | Lumen/Level 3 | Landline | Pacific |
| 636-335 | MCI/Verizon | Wireless | Fenton |
| 636-336 | Paetec Itel | Landline | Harvester |
| 636-337 | AT&T (SW Bell) | Landline | De Soto |
| 636-338 | Brightspeed Of Missouri | Landline | Hawk Point |
| 636-339 | T-Mobile | Wireless | Ofallon |
| 636-341 | T-Mobile | Wireless | Fsscrstlcy |
| 636-342 | Boost Subscriberco | Wireless | Harvester |
| 636-343 | AT&T (SW Bell) | Landline | Fenton |
| 636-344 | AT&T (SW Bell) | Landline | Harvester |
| 636-345 | MCI/Verizon | Wireless | Harvester |
| 636-346 | T-Mobile | Wireless | Chesterfld |
| 636-347 | Hd Carrier | Landline | De Soto |
| 636-348 | Fractel | Landline | St Peters |
| 636-349 | AT&T (SW Bell) | Landline | Fenton |
| 636-351 | Boost Subscriberco | Wireless | Ofallon |
| 636-352 | Lumen/Level 3 | Landline | St Charles |
| 636-354 | AT&T Mobility | Wireless | Harvester |
| 636-355 | Brightspeed Of Missouri | Landline | Foley |
| 636-356 | Brightspeed Of Missouri | Landline | Moscow Ml |
| 636-357 | AT&T Mobility | Wireless | Wentzville |
| 636-358 | AT&T Mobility | Wireless | Troy |
| 636-359 | AT&T Mobility | Wireless | Warrenton |
| 636-362 | AT&T (SW Bell) | Landline | Harvester |
| 636-364 | Lumen/Level 3 | Landline | St Clair |
| 636-366 | Brightspeed Of Missouri | Landline | Moscow Ml |
| 636-367 | T-Mobile | Wireless | Troy |
| 636-368 | T-Mobile | Wireless | Chesterfld |
| 636-369 | Onvoy | Landline | Washington |
| 636-373 | T-Mobile | Wireless | St Charles |
| 636-375 | AT&T (SW Bell) | Landline | High Ridge |
| 636-376 | AT&T (SW Bell) | Landline | High Ridge |
| 636-377 | Brightspeed Of Missouri | Landline | Warrenton |
| 636-378 | T-Mobile | Wireless | St Peters |
| 636-379 | Brightspeed Of Missouri | Landline | Ofallon |
| 636-380 | Verizon Wireless | Wireless | Troy |
| 636-383 | Metro by T-Mobile | Wireless | Troy |
| 636-384 | AT&T Mobility | Wireless | Wrightcity |
| 636-385 | Brightspeed Of Missouri | Landline | Ofallon |
| 636-386 | AT&T (SW Bell) | Landline | Manchester |
| 636-387 | Spectrum | Landline | St Peters |
| 636-388 | Lumen/Level 3 | Landline | Union |
| 636-389 | Lumen/Level 3 | Landline | St Charles |
| 636-390 | AT&T (SW Bell) | Landline | Washington |
| 636-391 | AT&T (SW Bell) | Landline | Manchester |
| 636-392 | Aurora Communications | Landline | Washington |
| 636-393 | Spectrum | Landline | Pacific |
| 636-394 | AT&T (SW Bell) | Landline | Manchester |
| 636-395 | AT&T | Landline | St Charles |
| 636-396 | Onvoy | Landline | Fsscrstlcy |
| 636-397 | Brightspeed Of Missouri | Landline | St Peters |
| 636-398 | Brightspeed Of Missouri | Landline | New Melle |
| 636-399 | Verizon Wireless | Wireless | Manchester |
| 636-400 | Onvoy | Landline | Portagsiux |
| 636-402 | Paetec Itel | Landline | Graysummit |
| 636-403 | Usa Mobility Wireless | Wireless | Harvester |
| 636-405 | AT&T (SW Bell) | Landline | Pond |
| 636-406 | Onvoy | Landline | Cedar Hill |
| 636-407 | Onvoy | Landline | De Soto |
| 636-408 | Onvoy | Landline | High Ridge |
| 636-409 | Spectrum | Landline | Ofallon |
| 636-410 | MCI/Verizon | Wireless | St Charles |
| 636-411 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 636-412 | MCI/Verizon | Wireless | Valleypark |
| 636-415 | AT&T Mobility | Wireless | Harvester |
| 636-417 | Landline | Xxxxxxxxxx | |
| 636-422 | AT&T (SW Bell) | Landline | Pond |
| 636-424 | Onvoy | Landline | Pond |
| 636-425 | Paetec Itel | Landline | Portagsiux |
| 636-426 | T-Mobile | Wireless | Portagsiux |
| 636-427 | AT&T Mobility | Wireless | St Peters |
| 636-428 | Teleport Communications America | Landline | High Ridge |
| 636-429 | Peerless Network Of Missouri | Landline | Eureka |
| 636-430 | T-Mobile | Wireless | Foristell |
| 636-431 | MCI/Verizon | Wireless | Valleypark |
| 636-432 | AT&T (SW Bell) | Landline | Washington |
| 636-433 | Brightspeed Of Missouri | Landline | Marthasvl |
| 636-434 | AT&T (SW Bell) | Landline | Portagsiux |
| 636-435 | MCI/Verizon | Wireless | Valleypark |
| 636-438 | MCI/Verizon | Wireless | Manchester |
| 636-439 | AT&T Mobility | Wireless | Ofallon |
| 636-441 | AT&T (SW Bell) | Landline | Harvester |
| 636-442 | AT&T (SW Bell) | Landline | Harvester |
| 636-443 | AT&T (SW Bell) | Landline | St Charles |
| 636-444 | Onvoy | Landline | Valleypark |
| 636-445 | CenturyLink | Landline | Wentzville |
| 636-447 | AT&T (SW Bell) | Landline | Harvester |
| 636-448 | AT&T Mobility | Wireless | St Charles |
| 636-449 | Paetec Itel | Landline | Chesterfld |
| 636-450 | AT&T Mobility | Wireless | Harvester |
| 636-451 | AT&T (SW Bell) | Landline | Graysummit |
| 636-452 | AT&T (SW Bell) | Landline | Ware |
| 636-456 | Brightspeed Of Missouri | Landline | Warrenton |
| 636-458 | AT&T (SW Bell) | Landline | Pond |
| 636-459 | Verizon Wireless | Wireless | Foristell |
| 636-461 | AT&T (SW Bell) | Landline | Imperial |
| 636-462 | Brightspeed Of Missouri | Landline | Troy |
| 636-463 | Brightspeed Of Missouri | Landline | Foristell |
| 636-464 | AT&T (SW Bell) | Landline | Imperial |
| 636-465 | Spectrum | Landline | Fsscrstlcy |
| 636-466 | AT&T Mobility | Wireless | Wentzville |
| 636-467 | AT&T (SW Bell) | Landline | Imperial |
| 636-473 | AT&T | Landline | Antonia |
| 636-474 | Brightspeed Of Missouri | Landline | Ofallon |
| 636-475 | AT&T (SW Bell) | Landline | Hercumpvly |
| 636-477 | AT&T (SW Bell) | Landline | Harvester |
| 636-479 | AT&T (SW Bell) | Landline | Hercumpvly |
| 636-481 | Lumen/Level 3 | Landline | Hillsboro |
| 636-482 | Brightspeed Of Missouri | Landline | Augusta |
| 636-484 | Verizon Wireless | Wireless | Manchester |
| 636-485 | Verizon Wireless | Wireless | St Peters |
| 636-486 | Lumen/Level 3 | Landline | Harvester |
| 636-487 | Lumen/Level 3 | Landline | St Charles |
| 636-488 | Brightspeed Of Missouri | Landline | Jonesburg |
| 636-489 | Lumen/Level 3 | Landline | Chesterfld |
| 636-492 | MCI/Verizon | Wireless | Fenton |
| 636-493 | Spectrum | Landline | St Charles |
| 636-495 | Paetec Itel | Landline | High Ridge |
| 636-496 | AT&T (SW Bell) | Landline | Fenton |
| 636-497 | T-Mobile | Wireless | Wentzville |
| 636-498 | AT&T (SW Bell) | Landline | Harvester |
| 636-500 | Onvoy | Landline | Imperial |
| 636-511 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 636-515 | AT&T Mobility | Wireless | Ofallon |
| 636-517 | AT&T (SW Bell) | Landline | Valleypark |
| 636-519 | AT&T (SW Bell) | Landline | Chesterfld |
| 636-524 | Lumen/Level 3 | Landline | Fsscrstlcy |
| 636-525 | AT&T (SW Bell) | Landline | Imperial |
| 636-527 | AT&T (SW Bell) | Landline | Manchester |
| 636-528 | Brightspeed Of Missouri | Landline | Troy |
| 636-529 | AT&T (SW Bell) | Landline | Valleypark |
| 636-530 | AT&T (SW Bell) | Landline | Chesterfld |
| 636-532 | AT&T (SW Bell) | Landline | Chesterfld |
| 636-533 | MCI/Verizon | Wireless | Fenton |
| 636-534 | MCI/Verizon | Wireless | Chesterfld |
| 636-535 | Verizon Wireless | Wireless | Fsscrstlcy |
| 636-536 | AT&T (SW Bell) | Landline | Chesterfld |
| 636-537 | AT&T (SW Bell) | Landline | Chesterfld |
| 636-538 | T-Mobile | Wireless | Wentzville |
| 636-541 | AT&T Mobility | Wireless | St Charles |
| 636-542 | Paetec Itel | Landline | Ofallon |
| 636-543 | Teleport Communications America | Landline | Fsscrstlcy |
| 636-544 | AT&T Mobility | Wireless | Ofallon |
| 636-547 | Lumen/Level 3 | Landline | Imperial |
| 636-548 | Bandwidth.com | Landline | Maxville |
| 636-549 | Paetec Itel | Landline | Eureka |
| 636-551 | Verizon Wireless | Wireless | Cedar Hill |
| 636-552 | Lumen/Level 3 | Landline | Manchester |
| 636-555 | Multiple Ocn Listing | Landline | Dir Asst |
| 636-556 | Onvoy | Landline | Valleypark |
| 636-557 | MCI/Verizon | Wireless | Manchester |
| 636-561 | Brightspeed Of Missouri | Landline | Dardenne |
| 636-565 | Lumen/Level 3 | Landline | De Soto |
| 636-566 | Brightspeed Of Missouri | Landline | Winfield |
| 636-573 | MCI/Verizon | Wireless | St Charles |
| 636-574 | American Messaging Services | Landline | St Charles |
| 636-575 | AT&T Mobility | Wireless | High Ridge |
| 636-577 | AT&T Mobility | Wireless | St Peters |
| 636-578 | T-Mobile | Wireless | St Charles |
| 636-579 | T-Mobile | Wireless | Chesterfld |
| 636-582 | Aurora Communications | Landline | Union |
| 636-583 | AT&T (SW Bell) | Landline | Union |
| 636-584 | AT&T (SW Bell) | Landline | Union |
| 636-585 | Brightspeed Of Missouri | Landline | High Hill |
| 636-586 | AT&T (SW Bell) | Landline | De Soto |
| 636-587 | AT&T (SW Bell) | Landline | Eureka |
| 636-589 | Onvoy | Landline | Warrenton |
| 636-590 | Lumen/Level 3 | Landline | Chesterfld |
| 636-591 | Paetec Itel | Landline | Manchester |
| 636-594 | MCI/Verizon | Wireless | Manchester |
| 636-597 | Brightspeed Of Missouri | Landline | Truxton |
| 636-600 | Onvoy | Landline | Fenton |
| 636-611 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 636-614 | Lumen/Level 3 | Landline | Ofallon |
| 636-618 | Landline | ||
| 636-622 | MCI/Verizon | Wireless | Troy |
| 636-625 | Brightspeed Of Missouri | Landline | Dardenne |
| 636-626 | Onvoy | Landline | St Peters |
| 636-627 | Spectrum | Landline | St Charles |
| 636-628 | Lumen/Level 3 | Landline | Manchester |
| 636-629 | AT&T (SW Bell) | Landline | St Clair |
| 636-630 | Commio | Landline | Ofallon |
| 636-633 | T-Mobile | Wireless | Imperial |
| 636-634 | Lumen/Level 3 | Landline | St Charles |
| 636-635 | Spectrum | Landline | Cedar Hill |
| 636-636 | Landline | ||
| 636-637 | MCI/Verizon | Wireless | Fsscrstlcy |
| 636-638 | Spectrum | Landline | Fsscrstlcy |
| 636-639 | Brightspeed Of Missouri | Landline | Wentzville |
| 636-642 | Lumen/Level 3 | Landline | Imperial |
| 636-648 | Terra Nova Telecom | Landline | Portagsiux |
| 636-649 | AT&T Mobility | Wireless | Union |
| 636-651 | Teleport Communications America | Landline | Fenton |
| 636-655 | Skye Telecom | Landline | Wentzville |
| 636-660 | Paetec Itel | Landline | Fenton |
| 636-661 | Brightspeed Of Missouri | Landline | Old Monroe |
| 636-662 | Brightspeed Of Missouri | Landline | Foley |
| 636-665 | Brightspeed Of Missouri | Landline | Old Monroe |
| 636-666 | Terra Nova Telecom | Landline | Union |
| 636-667 | T-Mobile | Wireless | Washington |
| 636-668 | Brightspeed Of Missouri | Landline | Winfield |
| 636-669 | Paetec Itel | Landline | St Charles |
| 636-671 | AT&T (SW Bell) | Landline | High Ridge |
| 636-673 | Brightspeed Of Missouri | Landline | Foristell |
| 636-674 | Paetec Itel | Landline | Antonia |
| 636-675 | T-Mobile | Wireless | Chesterfld |
| 636-677 | AT&T (SW Bell) | Landline | High Ridge |
| 636-678 | Lumen/Level 3 | Landline | Fenton |
| 636-679 | T-Mobile | Wireless | Wentzville |
| 636-680 | Paetec Itel | Landline | Fenton |
| 636-681 | Teleport Communications America | Landline | Chesterfld |
| 636-685 | Teleport Communications America | Landline | Harvester |
| 636-686 | Teleport Communications America | Landline | Manchester |
| 636-688 | Teleport Communications America | Landline | St Charles |
| 636-689 | Teleport Communications America | Landline | Valleypark |
| 636-692 | Paetec Itel | Landline | High Ridge |
| 636-695 | Teleport Communications America | Landline | Dardenne |
| 636-696 | Teleport Communications America | Landline | Ofallon |
| 636-697 | Teleport Communications America | Landline | St Peters |
| 636-698 | Teleport Communications America | Landline | Wentzville |
| 636-699 | Onvoy | Landline | St Charles |
| 636-700 | Landline | ||
| 636-706 | CenturyLink | Landline | St Peters |
| 636-707 | Lumen/Level 3 | Landline | Cedar Hill |
| 636-711 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 636-717 | AT&T (SW Bell) | Landline | Fenton |
| 636-720 | Paetec Itel | Landline | Harvester |
| 636-722 | AT&T (SW Bell) | Landline | Harvester |
| 636-723 | AT&T (SW Bell) | Landline | St Charles |
| 636-724 | AT&T (SW Bell) | Landline | St Charles |
| 636-725 | Paetec Itel | Landline | Fsscrstlcy |
| 636-728 | AT&T (SW Bell) | Landline | Chesterfld |
| 636-730 | AT&T (SW Bell) | Landline | Chesterfld |
| 636-732 | Fractel | Landline | Graysummit |
| 636-733 | AT&T (SW Bell) | Landline | Chesterfld |
| 636-734 | T-Mobile | Wireless | St Charles |
| 636-735 | AT&T (SW Bell) | Landline | Chesterfld |
| 636-736 | AT&T (SW Bell) | Landline | Chesterfld |
| 636-737 | AT&T (SW Bell) | Landline | Chesterfld |
| 636-741 | Paetec Itel | Landline | Imperial |
| 636-742 | AT&T (SW Bell) | Landline | Graysummit |
| 636-744 | AT&T (SW Bell) | Landline | Union |
| 636-745 | Brightspeed Of Missouri | Landline | Wrightcity |
| 636-746 | Ton80 Communications | Landline | Maxville |
| 636-747 | Onvoy | Landline | Pacific |
| 636-748 | Bandwidth.com | Landline | Cedar Hill |
| 636-751 | Verizon Wireless | Wireless | Manchester |
| 636-753 | AT&T (SW Bell) | Landline | Portagsiux |
| 636-754 | MCI/Verizon | Wireless | St Charles |
| 636-755 | Brightspeed Of Missouri | Landline | Dardenne |
| 636-757 | Paetec Itel | Landline | St Charles |
| 636-758 | Fractel | Landline | St Clair |
| 636-764 | Lumen/Level 3 | Landline | Fenton |
| 636-773 | Onvoy | Landline | St Charles |
| 636-775 | Spectrum | Landline | Troy |
| 636-777 | Onvoy | Landline | Chesterfld |
| 636-778 | Spectrum | Landline | Chesterfld |
| 636-779 | Paetec Itel | Landline | Manchester |
| 636-782 | Brightspeed Of Missouri | Landline | Holstein |
| 636-787 | MCI/Verizon | Wireless | Chesterfld |
| 636-789 | AT&T (SW Bell) | Landline | Hillsboro |
| 636-791 | Brightspeed Of Missouri | Landline | Wrightcity |
| 636-793 | MCI/Verizon | Wireless | Harvester |
| 636-794 | MCI/Verizon | Wireless | Harvester |
| 636-795 | AT&T Mobility | Wireless | St Charles |
| 636-797 | AT&T (SW Bell) | Landline | Hillsboro |
| 636-798 | Brightspeed Of Missouri | Landline | Defiance |
| 636-800 | Onvoy | Landline | St Charles |
| 636-811 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 636-812 | Paetec Itel | Landline | Chesterfld |
| 636-816 | Landline | ||
| 636-821 | Paetec Itel | Landline | Pond |
| 636-825 | AT&T (SW Bell) | Landline | Valleypark |
| 636-827 | AT&T (SW Bell) | Landline | Valleypark |
| 636-828 | Brightspeed Of Missouri | Landline | New Melle |
| 636-829 | T-Mobile | Wireless | High Ridge |
| 636-837 | Ton80 Communications | Landline | Hercumpvly |
| 636-841 | T-Mobile | Wireless | Wentzville |
| 636-849 | T-Mobile | Wireless | Ofallon |
| 636-851 | AT&T (SW Bell) | Landline | Harvester |
| 636-856 | Spectrum | Landline | Wentzville |
| 636-861 | AT&T (SW Bell) | Landline | Valleypark |
| 636-865 | Teleport Communications America | Landline | Hillsboro |
| 636-866 | MCI/Verizon | Wireless | St Charles |
| 636-867 | Ton80 Communications | Landline | Jonesburg |
| 636-874 | Ton80 Communications | Landline | Ofallon |
| 636-875 | Paetec Itel | Landline | St Peters |
| 636-887 | Spectrum | Landline | Wentzville |
| 636-888 | Peerless Network Of Missouri | Landline | St Clair |
| 636-891 | AT&T (SW Bell) | Landline | Manchester |
| 636-893 | MCI/Verizon | Wireless | Manchester |
| 636-896 | AT&T (SW Bell) | Landline | St Charles |
| 636-898 | MCI/Verizon | Wireless | Chesterfld |
| 636-899 | AT&T (SW Bell) | Landline | Portagsiux |
| 636-900 | Onvoy | Landline | Washington |
| 636-911 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 636-916 | AT&T (SW Bell) | Landline | St Charles |
| 636-922 | AT&T (SW Bell) | Landline | Harvester |
| 636-923 | Paetec Itel | Landline | Valleypark |
| 636-925 | AT&T (SW Bell) | Landline | St Charles |
| 636-926 | AT&T (SW Bell) | Landline | Harvester |
| 636-928 | AT&T (SW Bell) | Landline | Harvester |
| 636-931 | AT&T (SW Bell) | Landline | Fsscrstlcy |
| 636-932 | Brightspeed Of Missouri | Landline | Holstein |
| 636-933 | AT&T (SW Bell) | Landline | Fsscrstlcy |
| 636-936 | AT&T (SW Bell) | Landline | Harvester |
| 636-937 | AT&T (SW Bell) | Landline | Fsscrstlcy |
| 636-938 | AT&T (SW Bell) | Landline | Eureka |
| 636-939 | AT&T (SW Bell) | Landline | Harvester |
| 636-940 | AT&T (SW Bell) | Landline | St Charles |
| 636-942 | AT&T (SW Bell) | Landline | Antonia |
| 636-944 | AT&T (SW Bell) | Landline | Ware |
| 636-946 | AT&T (SW Bell) | Landline | St Charles |
| 636-947 | AT&T (SW Bell) | Landline | St Charles |
| 636-948 | AT&T (SW Bell) | Landline | Antonia |
| 636-949 | AT&T (SW Bell) | Landline | St Charles |
| 636-950 | Landline | ||
| 636-958 | Landline | ||
| 636-959 | Landline | ||
| 636-970 | Brightspeed Of Missouri | Landline | St Peters |
| 636-976 | Landline | ||
| 636-978 | Brightspeed Of Missouri | Landline | Ofallon |
| 636-980 | Brightspeed Of Missouri | Landline | Ofallon |
| 636-987 | Brightspeed Of Missouri | Landline | Defiance |
| 636-988 | Landline | ||
| 636-999 | Onvoy | Landline | Pacific |
All 9 area codes in Missouri
About Area Code 636
Back in 1999, folks in the St. Louis area were running out of phone numbers faster than you can say 'dial tone.' That's when area code 636 split off from the original 314 to handle the surge in demand around western St. Louis County and beyond. Picture this: O'Fallon, with its mix of quiet suburbs and growing families, needed more lines for all those new homes popping up. Cities like Arnold, Ballwin, and Chesterfield got swept into this change, bringing in places with winding roads through the hills and spots where you can still find old-school diners serving up barbecue that tastes like home. It's all about that everyday Missouri charm, where people commute to the big city but come back to neighborhoods that feel personal. 636 covers a slice of life that's equal parts suburban sprawl and local pride, with Eureka's outdoor trails and Festus's historic vibes adding their own flavor. This split wasn't just about numbers; it was about keeping up with a region that's always on the move, from Crystal City's industrial roots to Pacific's community events that draw crowds every summer. If you're calling around here, you're tapping into a spot where the Cardinals games on the radio mix with backyard barbecues, making every ring feel connected to real stories.
⚠ Scam & Spam Alert for 636
In Missouri, like anywhere else, scam calls can sneak in when you're least expecting them. You might get hit with IRS scams where someone claims you owe taxes and demands payment right away, or auto warranty ruses pushing fake extended plans for your car. Then there's Medicare fraud, with callers pretending to be from the agency to snag your personal info. These tactics are pretty straightforward—scammers use local numbers to seem legit and pressure you fast. Don't fall for it; always take a beat. One solid tip is to hang up and call back the organization directly using a number you know is real, rather than the one on your caller ID.
Local Snapshot
O'Fallon's population hovers around 91,000, making it one of Missouri's faster-growing spots with new families moving in all the time. The area's economy leans on manufacturing and healthcare, with big employers like Boeing pulling in workers from nearby towns. Folks here love the outdoors, from hiking in the parks around Eureka to checking out local festivals that celebrate that down-to-earth Midwest spirit. Here's a fun twist: Despite being a suburb, O'Fallon has some of the best-rated schools in the state, which surprises a lot of people looking to relocate.
Frequently Asked Questions
Where is area code 636?
Area code 636 serves O'Fallon and surrounding communities in Missouri, including Arnold, Ballwin, Chesterfield, Crystal City, Eureka and 9 more. It is in the Central time zone.
What cities are in area code 636?
Area code 636 covers 14 cities in Missouri: Arnold, Ballwin, Chesterfield, Crystal City, Eureka, Festus, O'Fallon, Pacific, St. Peters, Sullivan, and 4 more
What time zone is 636?
Area code 636 is in the Central time zone (UTC-6).
When was area code 636 created?
Area code 636 was established in 1999 as a geographic split from a larger area code region.
Is 636 a legitimate area code?
Yes, 636 is a valid, active area code assigned to O'Fallon, Missouri. However, scammers can spoof any area code, so receiving a call from 636 doesn't guarantee the caller is actually in this area.
Why was area code 636 created in 1999?
Area code 636 was established as a split from area code 314 to handle the increasing need for phone numbers in the western St. Louis suburbs. This change supported the region's population growth, particularly in areas like O'Fallon. It ensured that local communication needs were met without delays.
What outdoor activities can be found in the cities served by area code 636?
The 636 area includes parks and trails in places like Eureka, ideal for hiking and biking. Festus offers access to the Mississippi River for fishing and boating. These spots attract locals for weekend outings due to their natural settings.
How has area code 636 influenced local business growth in Missouri?
Since its introduction, area code 636 has facilitated easier communication for businesses in cities like Chesterfield and Ballwin. This has helped local companies expand operations in manufacturing and services. The area code's implementation coincided with economic developments in these suburbs.