| Locality | Postal Code |
|---|---|
| Belle Rose, Assumption | 70341 |
| Bruly Saint Martin, Assumption | 70341 |
| Labadieville, Assumption | 70372 |
| Magnolia, Assumption | 70341 |
| Napoleonville, Assumption | 70390 |
| Paincourtville, Assumption | 70391 |
| Pierre Part, Assumption | 70339 |
| Plattenville, Assumption | 70393 |