| Place | Post Code |
|---|---|
| Al-Aludig, Santiago | 2707 |
| Ambucao, Santiago | 2707 |
| Baybayabas, Santiago | 2707 |
| Bigbiga, Santiago | 2707 |
| Bulbulala, Santiago | 2707 |
| Busel-Busel, Santiago | 2707 |
| Butol, Santiago | 2707 |
| Caburao, Santiago | 2707 |
| Dan-Ar, Santiago | 2707 |
| Gabao, Santiago | 2707 |
| Guinabang, Santiago | 2707 |
| Imus, Santiago | 2707 |
| Lang-Ayan, Santiago | 2707 |
| Mambug, Santiago | 2707 |
| Nalasin, Santiago | 2707 |
| Olo-Olo Norte, Santiago | 2707 |
| Olo-Olo Sur, Santiago | 2707 |
| Poblacion Norte, Santiago | 2707 |
| Poblacion Sur, Santiago | 2707 |
| Sabangan, Santiago | 2707 |
| Salincub, Santiago | 2707 |
| San Jose, Santiago | 2707 |
| San Roque, Santiago | 2707 |
| Ubbog, Santiago | 2707 |