| Locality | Postal Code |
|---|---|
| Kampong Bukit Salat, Sungai Kedayan | BN1311 |
| Kampong Kuala Peminyak, Sungai Kedayan | BN2111 |
| Kampong Pemancha Lama, Sungai Kedayan | BN2311 |
| Kampong Sumbiling Lama, Sungai Kedayan | BN1111 |
| Kampong Sungai Kedayan 'A', Sungai Kedayan | BN1711 |
| Kampong Sungai Kedayan 'B', Sungai Kedayan | BN1511 |
| Kampong Ujong Tanjong, Sungai Kedayan | BN1911 |
| Postal Codes in Brunei Muara | |
|---|---|
| Tamoi | Sungai Kedayan |
| Sungai Kebun | Serasa |
| Sengkurong | Saba |
| Peramu | Pangkalan Batu |
| Mentiri | Lumapas |
| Kota Batu | Kilanas |
| Kianggeh | Gadong |
| Burong Pinggai Ayer | Berakas B |
| Berakas A | Bandar Seri Begawan |