Post Offices List in Hattiesburg City, Mississippi:
| Downtown Hattiesburg Post Office | 115 W Pine St, Hattiesburg, MS 39401 |
| Hattiesburg Post Office | 220 S 40th Ave, Hattiesburg, MS 39402 |
| Downtown Hattiesburg Post Office | 115 W Pine St, Hattiesburg, MS 39401 |
| Hattiesburg Post Office | 220 S 40th Ave, Hattiesburg, MS 39402 |