| Ort | Postleitzahl |
|---|---|
| Abugon, Sibonga | 6020 |
| Bae, Sibonga | 6020 |
| Bagacay, Sibonga | 6020 |
| Bahay, Sibonga | 6020 |
| Banlot, Sibonga | 6020 |
| Basak, Sibonga | 6020 |
| Bato, Sibonga | 6020 |
| Cagay, Sibonga | 6020 |
| Can-Aga, Sibonga | 6020 |
| Candaguit, Sibonga | 6020 |
| Cantolaroy, Sibonga | 6020 |
| Dugoan, Sibonga | 6020 |
| Guimbangco-An, Sibonga | 6020 |
| Lamacan, Sibonga | 6020 |
| Libo, Sibonga | 6020 |
| Lindogon, Sibonga | 6020 |
| Magcagong, Sibonga | 6020 |
| Manatad, Sibonga | 6020 |
| Mangyan, Sibonga | 6020 |
| Papan, Sibonga | 6020 |
| Poblacion, Sibonga | 6020 |
| Sabang, Sibonga | 6020 |
| Sayao, Sibonga | 6020 |
| Simala, Sibonga | 6020 |
| Tubod, Sibonga | 6020 |