| Place | Post Code |
|---|---|
| Amunitan, Gonzaga | 3513 |
| Batangan, Gonzaga | 3513 |
| Baua, Gonzaga | 3513 |
| Cabanbanan Norte, Gonzaga | 3513 |
| Cabanbanan Sur, Gonzaga | 3513 |
| Cabiraoan, Gonzaga | 3513 |
| Calayan, Gonzaga | 3513 |
| Callao, Gonzaga | 3513 |
| Caroan, Gonzaga | 3513 |
| Casitan, Gonzaga | 3513 |
| Flourishing, Gonzaga | 3513 |
| Ipil, Gonzaga | 3513 |
| Isca, Gonzaga | 3513 |
| Magrafil, Gonzaga | 3513 |
| Minanga, Gonzaga | 3513 |
| Paradise, Gonzaga | 3513 |
| Pateng, Gonzaga | 3513 |
| Progressive, Gonzaga | 3513 |
| Rebecca, Gonzaga | 3513 |
| San Jose, Gonzaga | 3513 |
| Santa Clara, Gonzaga | 3513 |
| Santa Cruz, Gonzaga | 3513 |
| Santa Maria, Gonzaga | 3513 |
| Smart, Gonzaga | 3513 |
| Tapel, Gonzaga | 3513 |