| Locality | Post Code |
|---|---|
| Aimwell, Catahoula | 71401 |
| Archie, Catahoula | 71343 |
| Book, Catahoula | 71343 |
| Clayton, Catahoula | 71326 |
| Enterprise, Catahoula | 71425 |
| Harrisonburg, Catahoula | 71340 |
| Jonesville, Catahoula | 71343 |
| Larto, Catahoula | 71343 |
| Leland, Catahoula | 71368 |
| Lismore, Catahoula | 71343 |
| Manifest, Catahoula | 71343 |
| Mayna, Catahoula | 71343 |
| Parhams, Catahoula | 71343 |
| Peck, Catahoula | 71368 |
| Quaid, Catahoula | 71343 |
| Rhinehart, Catahoula | 71363 |
| Sicily Island, Catahoula | 71368 |
| Trinity, Catahoula | 71343 |
| Utility, Catahoula | 71343 |
| Wallace Ridge, Catahoula | 71343 |
| Walters, Catahoula | 71343 |