| Place | Post Code |
|---|---|
| San Isidro, Lagonoy | 4425 |
| San Isidro Norte, Lagonoy | 4425 |
| San Isidro Sur, Lagonoy | 4425 |
| San Rafael, Lagonoy | 4425 |
| San Ramon, Lagonoy | 4425 |
| San Roque, Lagonoy | 4425 |
| San Sebastian, Lagonoy | 4425 |
| San Vicente, Lagonoy | 4425 |
| Santa Cruz, Lagonoy | 4425 |
| Santa Maria, Lagonoy | 4425 |
| Saripongpong, Lagonoy | 4425 |
| Sipaco, Lagonoy | 4425 |