| Place | Post Code |
|---|---|
| San Jose, San Mariano | 3332 |
| San Pablo, San Mariano | 3332 |
| San Pedro, San Mariano | 3332 |
| Santa Filomina, San Mariano | 3332 |
| Tappa, San Mariano | 3332 |
| Ueg, San Mariano | 3332 |
| Zamora, San Mariano | 3332 |
| Zone I, San Mariano | 3332 |
| Zone II, San Mariano | 3332 |
| Zone III, San Mariano | 3332 |