| Localité | Code postal |
|---|---|
| Atolls, North Bougainville | 355 |
| Buka, North Bougainville | 355 |
| Kunua, North Bougainville | 355 |
| Nissan, North Bougainville | 355 |
| Selau Suir, North Bougainville | 355 |
| Tinputz, North Bougainville | 355 |
| Codes postaux en Bougainville | |
|---|---|
| South Bougainville | North Bougainville |
| Central Bougainville | |