| District of Missouri area codes: 314 | |
|---|---|
| Country | United States |
| State/Province | Missouri |
| Major City | Saint Louis |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 314-732 | Saint Louis City | Saint Louis, MO | Level 3 Communications |
| 314-733 | Saint Louis | Saint Louis, MO | Southwestern Bell |
| 314-734 | Saint Louis | Ladue, MO | American Messaging (am) |
| 314-735 | Saint Louis City | Saint Louis, MO | Xo Missouri |
| 314-736 | Saint Louis | Olivette, MO | Charter Fiberlink |
| 314-737 | Saint Louis | Ladue, MO | New Cingular Wireless PCS - IL |
| 314-738 | Saint Louis | Bridgeton, MO | Southwestern Bell |
| 314-739 | Saint Louis | Bridgeton, MO | Southwestern Bell |
| 314-740 | Saint Louis | Ladue, MO | Cellco Partnership DBA Verizon Wireless |
| 314-741 | Saint Louis | Spanish Lake, MO | Southwestern Bell |
| 314-743 | Saint Louis | Ladue, MO | Windstream Nuvox Missouri Inc. |
| 314-744 | Saint Louis | Creve Coeur, MO | Birch Telecom Of Missouri |
| 314-745 | Saint Louis City | Saint Louis, MO | T-mobile Usa |
| 314-746 | Saint Louis | Saint Louis, MO | Southwestern Bell |
| 314-747 | Saint Louis | Saint Louis, MO | Southwestern Bell |
| 314-748 | Saint Louis | Saint Louis, MO | Mci Worldcom Communications, Inc |
| 314-749 | Saint Louis | Saint Louis, MO | Sprint Spectrum L.p. |
| 314-750 | Saint Louis | Ladue, MO | Cellco Partnership DBA Verizon Wireless |
| 314-751 | Saint Louis City | Saint Louis, MO | Usa Mobility Wireless |
| 314-752 | Saint Louis City | Saint Louis, MO | Southwestern Bell |
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.