| Place | Post Code |
|---|---|
| Acaban, Culaba | 6547 |
| Bacolod, Culaba | 6547 |
| Binongtoan, Culaba | 6547 |
| Bool Central, Culaba | 6547 |
| Bool East, Culaba | 6547 |
| Bool West, Culaba | 6547 |
| Calipayan, Culaba | 6547 |
| Culaba Central, Culaba | 6547 |
| Guindapunan, Culaba | 6547 |
| Habuhab, Culaba | 6547 |
| Looc, Culaba | 6547 |
| Marvel, Culaba | 6547 |
| Patag, Culaba | 6547 |
| Pinamihagan, Culaba | 6547 |
| Salvacion, Culaba | 6547 |
| San Roque, Culaba | 6547 |
| Virginia, Culaba | 6547 |
| All postal codes in Biliran | |
|---|---|
| Almeria, Biliran | |
| Biliran, Biliran | |
| Cabucgayan, Biliran | |
| Caibiran, Biliran | |
| Culaba, Biliran | |
| Kawayan, Biliran | |
| Maripipi, Biliran | |
| Naval, Biliran | |