314 area code is a telephone area code in the North American Numbering Plan (NANP) for St. Louis, Missouri and surrounding areas. The area code was one of the original area codes created in 1947.
| Area Code | 314 |
|---|---|
| Major City | Columbia |
| Service Date | 01/01/1947 |
| Time Zone | Central |
| Overlay Complex | 314/557 |
| Location | Missouri (MO) |
| Country | United States |
Some of the cities served by the 314 area code include St. Louis, Florissant, Oakville, University City, Mehlville, Maryland Heights, Kirkwood, Hazelwood, Webster Groves and more.
| Area code | City/Town | County |
|---|---|---|
| 314 | Affton | St Louis |
| 314 | Bridgeton | St Louis |
| 314 | Creve Coeur | St Louis |
| 314 | Earth City | St Louis |
| 314 | Ferguson | St Louis |
| 314 | Florissant | St Louis |
| 314 | Glencoe | St Louis |
| 314 | Hazelwood | St Louis |
| 314 | Kirkwood | St Louis |
| 314 | Ladue | St Louis |
| 314 | Maryland Heights | St Louis |
| 314 | Mehlville | St Louis |
| 314 | Oakville | St Louis |
| 314 | Overland | St Louis |
| 314 | Sappington | St Louis |
| 314 | Spanish Lake | St Louis |
| 314 | St Ann | St Louis |
| 314 | St Louis | St Louis |
| 314 | University City | St Louis |
| 314 | Valley Park | St Louis |
| 314 | Webster Groves | St Louis |