| District of Missouri area codes: 314 | |
|---|---|
| Country | United States |
| State/Province | Missouri |
| Major City | Saint Louis |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 314-287 | Saint Louis City | Saint Louis, MO | Sbc Internet Services |
| 314-288 | Saint Louis | Saint Louis, MO | Teleport Communications Group - St. Louis |
| 314-289 | Saint Louis City | Saint Louis, MO | Southwestern Bell |
| 314-290 | Saint Louis | Saint Louis, MO | Southwestern Bell |
| 314-291 | Saint Louis | Bridgeton, MO | Southwestern Bell |
| 314-292 | Saint Louis | Creve Coeur, MO | AT&T Local |
| 314-293 | Saint Louis | Oakville, MO | Southwestern Bell |
| 314-294 | Saint Louis | Saint Louis, MO | American Messaging (am) |
| 314-295 | Saint Louis City | Saint Louis, MO | Leap Wireless Intl DBA Cricket Comm |
| 314-296 | Saint Louis City | Saint Louis, MO | Level 3 Communications |
| 314-297 | Saint Louis City | Saint Louis, MO | Bandwidth.com Clec |
| 314-298 | Saint Louis | Bridgeton, MO | Southwestern Bell |
| 314-299 | Saint Louis | Ladue, MO | Sprint Spectrum L.p. |
| 314-300 | Saint Louis City | Saint Louis, MO | Peerless Network Of Missouri |
| 314-301 | Saint Louis | Ladue, MO | Southwestern Bell |
| 314-302 | Saint Louis | Ladue, MO | Cellco Partnership DBA Verizon Wireless |
| 314-303 | Saint Louis | Ladue, MO | Cellco Partnership DBA Verizon Wireless |
| 314-304 | Saint Louis | Ladue, MO | Cellco Partnership DBA Verizon Wireless |
| 314-305 | Saint Louis City | Saint Louis, MO | Sprint Spectrum L.p. |
| 314-306 | Saint Louis | Ladue, MO | Cellco Partnership DBA Verizon Wireless |
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.