| Area | Postcode | Post Office | State Code | State Name |
|---|---|---|---|---|
| Batang Ai | 95900 | Lubok Antu | SRW | Sarawak |
| Kampung Kutai | 95900 | Lubok Antu | SRW | Sarawak |
| Kampung Melayu | 95900 | Lubok Antu | SRW | Sarawak |
| Lubuk Antu | 95900 | Lubok Antu | SRW | Sarawak |
| Merindun | 95900 | Lubok Antu | SRW | Sarawak |
| Nanga Mepi | 95900 | Lubok Antu | SRW | Sarawak |