| Place | Postal Code |
|---|---|
| Biau, Bukal | 94571 |
| Binuang, Bukal | 94571 |
| Bukal, Bukal | 94571 |
| Bungkudu, Bukal | 94571 |
| Diat, Bukal | 94571 |
| Modo, Bukal | 94571 |
| Mooyong, Bukal | 94571 |
| Mopu, Bukal | 94571 |
| Mulat, Bukal | 94571 |
| Potangoan, Bukal | 94571 |
| Rantemaranu, Bukal | 94571 |
| Unone, Bukal | 94571 |
| Winangun, Bukal | 94571 |
| Yugut, Bukal | 94571 |