| Municipality | ZIP Code |
|---|---|
| Rizal | 3127 |
| Location | Municipality | Province | Region | ZIP Code |
|---|---|---|---|---|
| Portal | Rizal | Nueva Ecija | Central Luzon | 3127 |
| San Esteban | Rizal | Nueva Ecija | Central Luzon | 3127 |
| San Gregorio | Rizal | Nueva Ecija | Central Luzon | 3127 |
| Santa Monica | Rizal | Nueva Ecija | Central Luzon | 3127 |
| Villa Labrador | Rizal | Nueva Ecija | Central Luzon | 3127 |
| Villa Paraiso | Rizal | Nueva Ecija | Central Luzon | 3127 |
