| Locality | Post Code |
|---|---|
| Beatrice, Monroe | 36425 |
| Buena Vista, Monroe | 36425 |
| Chrysler, Monroe | 36480 |
| Claiborne, Monroe | 36470 |
| Excel, Monroe | 36439 |
| Fountain, Monroe | 36461 |
| Franklin, Monroe | 36444 |
| Frisco City, Monroe | 36445 |
| Goodway, Monroe | 36449 |
| Hybart, Monroe | 36481 |
| Lower Peach Tree, Monroe | 36751 |
| Megargel, Monroe | 36457 |
| Mexia, Monroe | 36458 |
| Monroeville, Monroe | 36460 |
| Perdue Hill, Monroe | 36470 |
| Peterman, Monroe | 36471 |
| Repton, Monroe | 36475 |
| Uriah, Monroe | 36480 |
| Vredenburgh, Monroe | 36481 |