| District of Missouri area codes: 314 | |
|---|---|
| Country | United States |
| State/Province | Missouri |
| Major City | Saint Louis |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 314-384 | Saint Louis | Creve Coeur, MO | 365 Wireless |
| 314-385 | Saint Louis City | Saint Louis, MO | Southwestern Bell |
| 314-387 | Saint Louis | Bridgeton, MO | Mci Worldcom Communications, Inc |
| 314-388 | Saint Louis | Riverview, MO | Southwestern Bell |
| 314-389 | Saint Louis City | Saint Louis, MO | Southwestern Bell |
| 314-392 | Saint Louis | Creve Coeur, MO | Mci Worldcom Communications, Inc |
| 314-393 | Saint Louis City | Saint Louis, MO | Sprint Spectrum L.p. |
| 314-394 | Saint Louis | Kirkwood, MO | Charter Fiberlink |
| 314-395 | Saint Louis | Saint Louis, MO | Charter Fiberlink |
| 314-397 | Saint Louis | Ladue, MO | T-mobile Usa |
| 314-398 | Saint Louis City | Saint Louis, MO | T-mobile Usa |
| 314-399 | Saint Louis City | Saint Louis, MO | Cellco Partnership DBA Verizon Wireless |
| 314-400 | Saint Louis | Maryland Heights, MO | Birch Telecom Of Missouri |
| 314-401 | Saint Louis | Kirkwood, MO | New Cingular Wireless PCS - IL |
| 314-402 | Saint Louis | Kirkwood, MO | New Cingular Wireless PCS - IL |
| 314-403 | Saint Louis City | Saint Louis, MO | Bandwidth.com Clec |
| 314-404 | Saint Louis | Ladue, MO | Usa Mobility Wireless |
| 314-406 | Saint Louis | Ladue, MO | New Cingular Wireless PCS - IL |
| 314-407 | Saint Louis | Saint Louis, MO | American Messaging (am) |
| 314-409 | Saint Louis | Ladue, MO | New Cingular Wireless PCS - IL |
There are 662 prefixes, In the code area, the major cities are Affton, MO;Ferguson, MO;Florissant, MO;Hazelwood, . The major city is Saint Louis.