| Postal Code | Postal Code Place Name | Province | Municipality |
|---|---|---|---|
| 25000 | Hato Mayor | Hato Mayor | Hato Mayor |
| 25001 | Hato Mayor | Hato Mayor | Hato Mayor |
| 25002 | Hato Mayor | Hato Mayor | Hato Mayor |
| 25003 | Hato Mayor | Hato Mayor | Hato Mayor |
| 25005 | Hato Mayor | Hato Mayor | Hato Mayor |
| 25100 | Sabana de la Mar | Hato Mayor | Sabana De La Mar |
| 25200 | El Valle | Hato Mayor | El Valle |