| Place | Post Code |
|---|---|
| Bagyang, San Miguel | 8301 |
| Baras, San Miguel | 8301 |
| Bitaugan, San Miguel | 8301 |
| Bolhoon, San Miguel | 8301 |
| Calatngan, San Miguel | 8301 |
| Carromata, San Miguel | 8301 |
| Castillo, San Miguel | 8301 |
| Libas Gua, San Miguel | 8301 |
| Libas Sud, San Miguel | 8301 |
| Magroyong, San Miguel | 8301 |
| Mahayag, San Miguel | 8301 |
| Patong, San Miguel | 8301 |
| Poblacion, San Miguel | 8301 |
| Sagbayan, San Miguel | 8301 |
| San Roque, San Miguel | 8301 |
| Siagao, San Miguel | 8301 |
| Tina, San Miguel | 8301 |
| Umalag, San Miguel | 8301 |