| City | Area Code | Dialing Code |
|---|---|---|
| Biloxi | 228 | +1 228 |
| Clarksdale | 662 | +1 662 |
| Clinton | 601 | +1 601 |
| Clinton | 769 | +1 769 |
| Columbus | 662 | +1 662 |
| Greenville | 662 | +1 662 |
| Jackson | 601 | +1 601 |
| Jackson | 769 | +1 769 |
| Meridian | 601 | +1 601 |
| Meridian | 769 | +1 769 |
| Olive Branch | 662 | +1 662 |
| Pascagoula | 228 | +1 228 |
| Pearl | 601 | +1 601 |
| Pearl | 769 | +1 769 |
| Ridgeland | 601 | +1 601 |
| Ridgeland | 769 | +1 769 |
| Southaven | 662 | +1 662 |
| Starkville | 662 | +1 662 |
| Tupelo | 662 | +1 662 |
| Vicksburg | 601 | +1 601 |
| Vicksburg | 769 | +1 769 |
| West Gulfport | 228 | +1 228 |
| West Hattiesburg | 601 | +1 601 |
| West Hattiesburg | 769 | +1 769 |