| Place | Post Code |
|---|---|
| Bayongan, San Miguel | 6323 |
| Bugang, San Miguel | 6323 |
| Cabangahan, San Miguel | 6323 |
| Caluasan, San Miguel | 6323 |
| Camanaga, San Miguel | 6323 |
| Cambangay Norte, San Miguel | 6323 |
| Capayas, San Miguel | 6323 |
| Corazon, San Miguel | 6323 |
| Garcia, San Miguel | 6323 |
| Hagbuyo, San Miguel | 6323 |
| Kagawasan, San Miguel | 6323 |
| Mahayag, San Miguel | 6323 |
| Poblacion, San Miguel | 6323 |
| San Isidro, San Miguel | 6323 |
| San Jose, San Miguel | 6323 |
| San Vicente, San Miguel | 6323 |
| Santo Niño, San Miguel | 6323 |
| Tomoc, San Miguel | 6323 |