Post Offices List in Forrest County, Mississippi:
| Brooklyn Post Office | 132 Main Ave, Brooklyn, MS 39425 |
| Downtown Hattiesburg Post Office | 115 W Pine St, Hattiesburg, MS 39401 |
| Petal Post Office | 121 Morris St, Petal, MS 39465 |
| Brooklyn Post Office | 132 Main Ave, Brooklyn, MS 39425 |
| Downtown Hattiesburg Post Office | 115 W Pine St, Hattiesburg, MS 39401 |
| Petal Post Office | 121 Morris St, Petal, MS 39465 |