| Place | Post Code |
|---|---|
| Nabulo, Santa Margarita | 6709 |
| Napuro, Santa Margarita | 6709 |
| Napuro II, Santa Margarita | 6709 |
| Palale, Santa Margarita | 6709 |
| Panabatan, Santa Margarita | 6709 |
| Panaruan, Santa Margarita | 6709 |
| Roxas, Santa Margarita | 6709 |
| Salvacion, Santa Margarita | 6709 |
| Solsogon, Santa Margarita | 6709 |
| Sundara, Santa Margarita | 6709 |