| District of Missouri area codes: 314 | |
|---|---|
| Country | United States |
| State/Province | Missouri |
| Major City | Saint Louis |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 314-641 | Saint Louis City | Saint Louis, MO | Southwestern Bell |
| 314-642 | Saint Louis | Saint Ann, MO | Global Crossing Local Services-mo |
| 314-643 | Saint Louis | Saint Ann, MO | Global Crossing Local Services-mo |
| 314-644 | Saint Louis | Saint Louis, MO | Southwestern Bell |
| 314-645 | Saint Louis | Saint Louis, MO | Southwestern Bell |
| 314-646 | Saint Louis | Saint Louis, MO | Southwestern Bell |
| 314-647 | Saint Louis | Saint Louis, MO | Southwestern Bell |
| 314-649 | Saint Louis | Saint Louis, MO | Teleport Communications Group - St. Louis |
| 314-650 | Saint Louis | Kirkwood, MO | New Cingular Wireless PCS - IL |
| 314-651 | Saint Louis | Ladue, MO | New Cingular Wireless PCS - IL |
| 314-652 | Saint Louis City | Saint Louis, MO | Southwestern Bell |
| 314-653 | Saint Louis | Spanish Lake, MO | Southwestern Bell |
| 314-654 | Saint Louis | Ferguson, MO | Southwestern Bell |
| 314-655 | Saint Louis | Saint Louis, MO | Teleport Communications Group - St. Louis |
| 314-656 | Saint Louis | Ladue, MO | Teleport Communications Group - St. Louis |
| 314-657 | Saint Louis | Saint Louis, MO | Teleport Communications Group - St. Louis |
| 314-658 | Saint Louis City | Saint Louis, MO | Southwestern Bell |
| 314-659 | Saint Louis | Saint Louis, MO | Teleport Communications Group - St. Louis |
| 314-660 | Saint Louis | Kirkwood, MO | New Cingular Wireless PCS - IL |
| 314-662 | Saint Louis | Ladue, MO | T-mobile Usa |
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.