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Phone Number Prefixes in the 636 Area Code - Page 7
| Prefix | Usage | Primary City | Carrier | Introduced |
|---|---|---|---|---|
| (636) 861 | Wireless | Valley Park | Southwestern Bell | 07/22/1999 |
| (636) 866 | Wireless | Saint Charles | Mci Worldcom Comms, | 08/20/2000 |
| (636) 875 | Wireless | St Peters | Windstream Nuvox Missouri | 07/06/2007 |
| (636) 887 | Wireless | Wentzville | Charter Fiberlink | 12/13/2004 |
| (636) 888 | Wireless | Saint Clair | Peerless Network | 01/21/2014 |
| (636) 891 | Wireless | Manchester | Southwestern Bell | 07/22/1999 |
| (636) 893 | Wireless | Saint Louis | Mci Worldcom Comms, | 07/22/1999 |
| (636) 896 | Wireless | Saint Charles | Southwestern Bell | 07/22/1999 |
| (636) 898 | Wireless | Chesterfield | Xo Missouri | 06/13/2000 |
| (636) 899 | Wireless | Portage Des Sioux | Southwestern Bell | 07/22/1999 |
| (636) 916 | Wireless | Saint Charles | Southwestern Bell | 07/22/1999 |
| (636) 922 | Wireless | Harvester | Southwestern Bell | 07/22/1999 |
| (636) 923 | Wireless | Ladue | Windstream Nuvox Missouri | 08/20/2000 |
| (636) 925 | Wireless | Saint Charles | Southwestern Bell | 07/22/1999 |
| (636) 926 | Wireless | Harvester | Southwestern Bell | 07/22/1999 |
| (636) 928 | Wireless | Harvester | Southwestern Bell | 07/22/1999 |
| (636) 931 | Wireless | Crystal City | Southwestern Bell | 07/22/1999 |
| (636) 932 | Wireless | New Haven | Centurytel Missouri (southwest)dba Centurylink | 07/22/1999 |
| (636) 933 | Wireless | Crystal City | Southwestern Bell | 07/22/1999 |
| (636) 936 | Wireless | Harvester | Southwestern Bell | 07/22/1999 |
| (636) 937 | Wireless | Crystal City | Southwestern Bell | 07/22/1999 |
| (636) 938 | Wireless | Eureka | Southwestern Bell | 07/22/1999 |
| (636) 939 | Wireless | Harvester | Southwestern Bell | 07/22/1999 |
| (636) 940 | Wireless | Saint Charles | Southwestern Bell | 07/22/1999 |
| (636) 942 | Wireless | Antonia | Southwestern Bell | 07/22/1999 |
| (636) 944 | Wireless | Fletcher | Southwestern Bell | 07/22/1999 |
| (636) 946 | Wireless | Saint Charles | Southwestern Bell | 07/22/1999 |
| (636) 947 | Wireless | Saint Charles | Southwestern Bell | 07/22/1999 |
| (636) 948 | Wireless | Antonia | Southwestern Bell | 07/22/1999 |
| (636) 949 | Wireless | Saint Charles | Southwestern Bell | 07/22/1999 |
| (636) 970 | Wireless | St Peters | Centurytel Missouri (southwest)dba Centurylink | 07/22/1999 |
| (636) 978 | Wireless | O Fallon | Centurytel Missouri (southwest)dba Centurylink | 07/22/1999 |
| (636) 980 | Wireless | O Fallon | Centurytel Missouri (southwest)dba Centurylink | 07/22/1999 |
| (636) 987 | Wireless | Defiance | Centurytel Missouri (southwest)dba Centurylink | 07/22/1999 |