| Place | Post Code |
|---|---|
| Cabacaraan, San Manuel | 2438 |
| Cabaritan, San Manuel | 2438 |
| Flores, San Manuel | 2438 |
| Guiset Norte, San Manuel | 2438 |
| Guiset Sur, San Manuel | 2438 |
| Lapalo, San Manuel | 2438 |
| Nagsaag, San Manuel | 2438 |
| Narra, San Manuel | 2438 |
| San Antonio-Arzadon, San Manuel | 2438 |
| San Bonifacio, San Manuel | 2438 |
| San Juan, San Manuel | 2438 |
| San Roque, San Manuel | 2438 |
| San Vicente, San Manuel | 2438 |
| Santo Domingo, San Manuel | 2438 |