| Locality | Post Code |
|---|---|
| Bassfield, Jefferson Davis | 39421 |
| Carson, Jefferson Davis | 39427 |
| Lucas, Jefferson Davis | 39474 |
| Mount Carmel, Jefferson Davis | 39474 |
| Mount Olive, Jefferson Davis | 39119 |
| Oak Vale, Jefferson Davis | 39656 |
| Prentiss, Jefferson Davis | 39474 |
| Terrell, Jefferson Davis | 39474 |