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Phone Number Prefixes in the 636 Area Code - Page 2
| Prefix | Usage | Primary City | Carrier | Introduced |
|---|---|---|---|---|
| (636) 273 | Wireless | Pond | Southwestern Bell | 07/22/1999 |
| (636) 274 | Wireless | Cedar Hill | Southwestern Bell | 07/22/1999 |
| (636) 277 | Wireless | Earth City | Peerless Network | 03/08/2010 |
| (636) 278 | Wireless | St Peters | Centurytel Missouri (southwest)dba Centurylink | 07/22/1999 |
| (636) 279 | Wireless | St Peters | Centurytel Missouri (southwest)dba Centurylink | 07/22/1999 |
| (636) 281 | Wireless | O Fallon | Centurytel Missouri (southwest)dba Centurylink | 07/22/1999 |
| (636) 282 | Wireless | Maxville | Southwestern Bell | 07/22/1999 |
| (636) 283 | Wireless | Washington | Teleport Comms Group - St. Louis | 06/06/2007 |
| (636) 284 | Wireless | Harvester | Cingular Wireless | 05/15/2002 |
| (636) 285 | Wireless | Cedar Hill | Southwestern Bell | 07/22/1999 |
| (636) 287 | Wireless | Maxville | Southwestern Bell | 07/22/1999 |
| (636) 288 | Wireless | Saint Charles | Cingular Wireless | 08/04/2002 |
| (636) 290 | Wireless | Troy | T-mobile USA | 08/09/2002 |
| (636) 293 | Wireless | O Fallon | T-mobile USA | 08/09/2002 |
| (636) 294 | Wireless | O Fallon | Charter Fiberlink | 08/08/2001 |
| (636) 295 | Wireless | Troy | Verizon Wireless | 07/22/1999 |
| (636) 296 | Wireless | Maxville | Southwestern Bell | 07/22/1999 |
| (636) 297 | Wireless | Warrenton | Verizon Wireless | 07/22/1999 |
| (636) 299 | Wireless | Chesterfield | AT&T Local | 07/22/1999 |
| (636) 300 | Wireless | Harvester | Southwestern Bell | 05/01/2001 |
| (636) 305 | Wireless | Fenton | Southwestern Bell | 07/22/1999 |
| (636) 320 | Wireless | Harvester | USA Mobility Wireless | 07/22/1999 |
| (636) 321 | Wireless | Maxville | Windstream Nuvox Missouri | 08/20/2000 |
| (636) 322 | Wireless | Saint Clair | Southwestern Bell | 01/10/2006 |
| (636) 323 | Wireless | House Springs | Level 3 Comms | 01/10/2003 |
| (636) 324 | Wireless | Pond | Socket Telecom | 03/05/2007 |
| (636) 326 | Wireless | Fenton | Southwestern Bell | 07/22/1999 |
| (636) 327 | Wireless | Wentzville | Centurytel Missouri (southwest)dba Centurylink | 07/22/1999 |
| (636) 328 | Wireless | Saint Charles | Mci Worldcom Comms, | 07/22/1999 |
| (636) 329 | Wireless | Harvester | Southwestern Bell | 05/01/2001 |
| (636) 332 | Wireless | Wentzville | Centurytel Missouri (southwest)dba Centurylink | 07/22/1999 |
| (636) 333 | Wireless | Maxville | Birch Telecom | 08/20/2000 |
| (636) 334 | Wireless | Pacific | Level 3 Comms | 01/10/2003 |
| (636) 336 | Wireless | Harvester | Mcleodusa Telecom Services | 03/03/2001 |
| (636) 337 | Wireless | De Soto | Southwestern Bell | 07/22/1999 |
| (636) 338 | Wireless | Hawk Point | Centurytel Missouri (southwest)dba Centurylink | 07/22/1999 |
| (636) 343 | Wireless | Fenton | Southwestern Bell | 07/22/1999 |
| (636) 344 | Wireless | Harvester | Southwestern Bell | 05/24/2005 |
| (636) 345 | Wireless | Harvester | Mci Worldcom Comms, | 08/20/2000 |
| (636) 346 | Wireless | Saint Louis | Sprint | 08/20/2000 |
| (636) 347 | Wireless | Saint Charles | American Messaging (am) | 10/13/1999 |
| (636) 349 | Wireless | Fenton | Southwestern Bell | 07/22/1999 |
| (636) 352 | Wireless | Saint Charles | Level 3 Comms | 08/20/2000 |
| (636) 355 | Wireless | Foley | Centurytel Missouri (southwest)dba Centurylink | 01/10/2007 |
| (636) 356 | Wireless | Moscow Mills | Centurytel Missouri (southwest)dba Centurylink | 07/22/1999 |
| (636) 357 | Wireless | Wentzville | Cingular Wireless | 08/20/2000 |
| (636) 358 | Wireless | Troy | Cingular Wireless | 07/22/1999 |
| (636) 359 | Wireless | Warrenton | Cingular Wireless | 07/22/1999 |
| (636) 362 | Wireless | Weldon Spring | Southwestern Bell | 04/18/2013 |
| (636) 363 | Wireless | Maxville | American Messaging (am) | 01/14/2000 |