| Place | Post Code |
|---|---|
| Salvacion, Libon | 4507 |
| Sampongan, Libon | 4507 |
| San Agustin, Libon | 4507 |
| San Antonio, Libon | 4507 |
| San Isidro, Libon | 4507 |
| San Jose, Libon | 4507 |
| San Pascual, Libon | 4507 |
| San Ramon, Libon | 4507 |
| San Vicente, Libon | 4507 |
| Santa Cruz, Libon | 4507 |
| Talin-Talin, Libon | 4507 |
| Tambo, Libon | 4507 |
| Villa Petrona, Libon | 4507 |
| West Carisac, Libon | 4507 |
| Zone I, Libon | 4507 |
| Zone II, Libon | 4507 |
| Zone III, Libon | 4507 |
| Zone IV, Libon | 4507 |
| Zone V, Libon | 4507 |
| Zone VI, Libon | 4507 |
| Zone VII, Libon | 4507 |