| Area | Postcode | Post Office | State Code | State Name |
|---|---|---|---|---|
| Aup | 96000 | Sibu | SRW | Sarawak |
| Batang Lasa | 96000 | Sibu | SRW | Sarawak |
| Bawang Assan | 96000 | Sibu | SRW | Sarawak |
| Bukit Asek | 96000 | Sibu | SRW | Sarawak |
| Bukit Lan | 96000 | Sibu | SRW | Sarawak |
| Dudong | 96000 | Sibu | SRW | Sarawak |
| Durin | 96000 | Sibu | SRW | Sarawak |
| Engkalat | 96000 | Sibu | SRW | Sarawak |
| Engkio | 96000 | Sibu | SRW | Sarawak |
| Ensurai | 96000 | Sibu | SRW | Sarawak |
| Kampung Bahagia Jaya | 96000 | Sibu | SRW | Sarawak |
| Kampung Banyok | 96000 | Sibu | SRW | Sarawak |
| Kampung Bungan | 96000 | Sibu | SRW | Sarawak |
| Kampung Igan | 96000 | Sibu | SRW | Sarawak |
| Kampung Jeriah Baru | 96000 | Sibu | SRW | Sarawak |
| Kampung Sawai Dalat | 96000 | Sibu | SRW | Sarawak |
| Kampung Usaha Jaya | 96000 | Sibu | SRW | Sarawak |
| Kampung Usaha Jaya Baru | 96000 | Sibu | SRW | Sarawak |
| Lengan | 96000 | Sibu | SRW | Sarawak |
| Menyan | 96000 | Sibu | SRW | Sarawak |
| Naman | 96000 | Sibu | SRW | Sarawak |
| Nanga Baoh | 96000 | Sibu | SRW | Sarawak |
| Nanga Paloh | 96000 | Sibu | SRW | Sarawak |
| Nanga Tamin | 96000 | Sibu | SRW | Sarawak |
| Nanga Tepus Balingian | 96000 | Sibu | SRW | Sarawak |