| Place | Post Code |
|---|---|
| Cardenas, Saguday | 3402 |
| Dibul, Saguday | 3402 |
| Gamis, Saguday | 3402 |
| La Paz, Saguday | 3402 |
| Magsaysay, Saguday | 3402 |
| Rizal, Saguday | 3402 |
| Salvacion, Saguday | 3402 |
| Santo Tomas, Saguday | 3402 |
| Tres Reyes, Saguday | 3402 |
| All postal codes in Quirino | |
|---|---|
| Aglipay, Quirino | |
| Cabarroguis, Quirino | |
| Diffun, Quirino | |
| Maddela, Quirino | |
| Nagtipunan, Quirino | |
| Saguday, Quirino | |