| Place | Post Code |
|---|---|
| Alingaro, General Trias | 4107 |
| Arnaldo, General Trias | 4107 |
| Bacao I, General Trias | 4107 |
| Bacao II, General Trias | 4107 |
| Bagumbayan, General Trias | 4107 |
| Biclatan, General Trias | 4107 |
| Buenavista I, General Trias | 4107 |
| Buenavista II, General Trias | 4107 |
| Buenavista III, General Trias | 4107 |
| Corregidor, General Trias | 4125 |
| Dulong Bayan, General Trias | 4107 |
| Gov. Ferrer, General Trias | 4107 |
| Javalera, General Trias | 4107 |
| Manggahan, General Trias | 4107 |
| Navarro, General Trias | 4107 |
| Ninety Sixth, General Trias | 4107 |
| Panungyanan, General Trias | 4107 |
| Pasong Camachile I, General Trias | 4107 |
| Pasong Camachile II, General Trias | 4107 |
| Pasong Kawayan I, General Trias | 4107 |
| Pasong Kawayan II, General Trias | 4107 |
| Pinagtipunan, General Trias | 4107 |
| Prinza, General Trias | 4107 |
| Sampalucan, General Trias | 4107 |
| San Francisco, General Trias | 4107 |
| San Gabriel, General Trias | 4107 |