| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 70401 | Hammond | Tangipahoa Parish | Standard |
| 70402 | Hammond | Tangipahoa Parish | Unique |
| 70403 | Hammond | Tangipahoa Parish | Standard |
| 70404 | Hammond | Tangipahoa Parish | PO Box |
| 70421 | Akers | Tangipahoa Parish | Standard |
| 70422 | Amite | Tangipahoa Parish | Standard |
| 70436 | Fluker | Tangipahoa Parish | Standard |
| 70437 | Folsom | Saint Tammany Parish | Standard |
| 70442 | Husser | Tangipahoa Parish | Standard |
| 70443 | Independence | Tangipahoa Parish | Standard |
| 70444 | Kentwood | Tangipahoa Parish | Standard |
| 70446 | Loranger | Tangipahoa Parish | Standard |
| 70451 | Natalbany | Tangipahoa Parish | PO Box |
| 70454 | Ponchatoula | Tangipahoa Parish | Standard |
| 70455 | Robert | Tangipahoa Parish | Standard |
| 70456 | Roseland | Tangipahoa Parish | Standard |
| 70465 | Tangipahoa | Tangipahoa Parish | PO Box |
| 70466 | Tickfaw | Tangipahoa Parish | Standard |