| Locality | Post Code |
|---|---|
| Akers, Tangipahoa | 70421 |
| Amite, Tangipahoa | 70422 |
| Arcola, Tangipahoa | 70456 |
| Fluker, Tangipahoa | 70436 |
| Folsom, Tangipahoa | 70437 |
| Grangeville, Tangipahoa | 70422 |
| Hammond, Tangipahoa | 70401, 70402, 70403 |
| Hillsdale, Tangipahoa | 70422 |
| Husser, Tangipahoa | 70442 |
| Independence, Tangipahoa | 70443 |
| Kentwood, Tangipahoa | 70444 |
| Loranger, Tangipahoa | 70446 |
| Montpelier, Tangipahoa | 70422 |
| Natalbany, Tangipahoa | 70451 |
| New Zion, Tangipahoa | 70444 |
| Ponchatoula, Tangipahoa | 70454 |
| Robert, Tangipahoa | 70455 |
| Roseland, Tangipahoa | 70456 |
| Springcreek, Tangipahoa | 70444 |
| Sunnyhill, Tangipahoa | 70444 |
| Tangipahoa, Tangipahoa | 70465 |
| Tickfaw, Tangipahoa | 70466 |