| District of Missouri area codes: 314 | |
|---|---|
| Country | United States |
| State/Province | Missouri |
| Major City | Saint Louis |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 314-200 | Saint Louis | Mehlville, MO | Charter Fiberlink |
| 314-201 | Saint Louis | Ladue, MO | T-mobile Usa |
| 314-202 | Saint Louis City | Saint Louis, MO | Cellco Partnership DBA Verizon Wireless |
| 314-203 | Saint Louis City | Saint Louis, MO | T-mobile Usa |
| 314-204 | Saint Louis City | Saint Louis, MO | Usa Mobility Wireless |
| 314-205 | Saint Louis | Creve Coeur, MO | Southwestern Bell |
| 314-206 | Saint Louis City | Saint Louis, MO | Southwestern Bell |
| 314-208 | Saint Louis City | Saint Louis, MO | Usa Mobility Wireless |
| 314-209 | Saint Louis | Bridgeton, MO | Southwestern Bell |
| 314-210 | Saint Louis | Kirkwood, MO | New Cingular Wireless PCS - IL |
| 314-212 | Saint Louis City | Saint Louis, MO | Southwestern Bell |
| 314-213 | Saint Louis | Ladue, MO | Southwestern Bell |
| 314-214 | Saint Louis | Saint Louis, MO | Southwestern Bell |
| 314-215 | Saint Louis | Chesterfield, MO | Southwestern Bell |
| 314-216 | Saint Louis | Ladue, MO | Southwestern Bell |
| 314-218 | Saint Charles | Saint Charles, MO | Southwestern Bell |
| 314-219 | Saint Louis | Ladue, MO | Southwestern Bell |
| 314-220 | Saint Louis | Creve Coeur, MO | Sprint Spectrum L.p. |
| 314-221 | Saint Louis City | Saint Louis, MO | Sprint Spectrum L.p. |
| 314-222 | Saint Louis | Maryland Heights, MO | Birch Telecom Of Missouri |
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.