| Locality | Post Code |
|---|---|
| Kampong Andalau, Liang | KC1535 |
| Kampong Gana, Liang | KC1335 |
| Kampong Keluyoh, Liang | KC1735 |
| Kampong Liang Kecil, Liang | KC2335 |
| Kampong Lilas, Liang | KC2535 |
| Kampong Padang, Liang | KC2135 |
| Kampong Perumpong, Liang | KC1935 |
| Kampong Sungai Liang, Liang | KC1135 |
| Kampong Tunggulian, Liang | KC2735 |
| Lumut Dua, Liang | KC3135 |
| Lumut Satu, Liang | KC2935 |
| Belait Postal Codes | |
|---|---|
| Sukang | Seria |
| Melilas | Liang |
| Labi | Kuala Belait |
| Kuala Balai | Bukit Sawat |