| Locality | Post Code |
|---|---|
| Arnaudville, Saint Martin | 70512 |
| Breaux Bridge, Saint Martin | 70517 |
| Broussard, Saint Martin | 70518 |
| Butte Larose, Saint Martin | 70517 |
| Cade, Saint Martin | 70519 |
| Cecilia, Saint Martin | 70521 |
| Henderson, Saint Martin | 70517 |
| Parks, Saint Martin | 70582 |
| Saint Martinville, Saint Martin | 70582 |