| Place | Post Code |
|---|---|
| Campin, Mahaplag | 6512 |
| Cuatro de Agosto, Mahaplag | 6512 |
| Hiluctogan, Mahaplag | 6512 |
| Hilusig, Mahaplag | 6512 |
| Himamara, Mahaplag | 6512 |
| Hinaguimitan, Mahaplag | 6512 |
| Liberacion, Mahaplag | 6512 |
| Mabuhay, Mahaplag | 6512 |
| Mabunga, Mahaplag | 6512 |
| Magsuganao, Mahaplag | 6512 |
| Mahayag, Mahaplag | 6512 |
| Mahayahay, Mahaplag | 6512 |
| Maligaya, Mahaplag | 6512 |
| Malinao, Mahaplag | 6512 |
| Malipoon, Mahaplag | 6512 |
| Palañogan, Mahaplag | 6512 |
| Paril, Mahaplag | 6512 |
| Pinamonoan, Mahaplag | 6512 |
| Poblacion, Mahaplag | 6512 |
| Polahongon, Mahaplag | 6512 |
| San Isidro, Mahaplag | 6512 |
| San Juan, Mahaplag | 6512 |
| Santa Cruz, Mahaplag | 6512 |
| Santo Niño, Mahaplag | 6512 |
| Tagaytay, Mahaplag | 6512 |
| Uguis, Mahaplag | 6512 |