| Place | Post Code |
|---|---|
| Curva, Santiago | 8608 |
| Estanislao Morgado, Santiago | 8608 |
| Jagupit, Santiago | 8608 |
| La Paz, Santiago | 8608 |
| Pangaylan-IP, Santiago | 8608 |
| Poblacion I, Santiago | 8608 |
| Poblacion II, Santiago | 8608 |
| San Isidro, Santiago | 8608 |
| Tagbuyacan, Santiago | 8608 |