Post Offices List in Benton County, Mississippi:
| Ashland Post Office | 16010 Boundary Dr, Ashland, MS 38603 |
| Hickory Flat Post Office | 535 Highway 5, Hickory Flat, MS 38633 |
| Lamar Post Office | 10464 Lamar Rd, Lamar, MS 38642 |
| Michigan City Post Office | 73 Main St, Michigan City, MS 38647 |