| Place | Post Code |
|---|---|
| Candelaria, New Washington | 5610 |
| Cawayan, New Washington | 5610 |
| Dumaguit, New Washington | 5610 |
| Fatima, New Washington | 5610 |
| Guinbaliwan, New Washington | 5610 |
| Jalas, New Washington | 5610 |
| Jugas, New Washington | 5610 |
| Lawa-An, New Washington | 5610 |
| Mabilo, New Washington | 5610 |
| Mataphao, New Washington | 5610 |
| Ochando, New Washington | 5610 |
| Pinamuk-An, New Washington | 5610 |
| Poblacion, New Washington | 5610 |
| Polo, New Washington | 5610 |
| Puis, New Washington | 5610 |
| Tambak, New Washington | 5610 |