Area Codes
| 601 | Mississippi (Jackson, Meridian, Natchez, McComb, Hattiesburg and central Mississippi, overlays with 769) | More information at: Area Code 601 Phone Number Blocks
| 601 | Mississippi (Jackson, Meridian, Natchez, McComb, Hattiesburg and central Mississippi, overlays with 769) | More information at: Area Code 601 Phone Number Blocks