| Place | Post Code |
|---|---|
| Aro, Muara Bulian | 36611 |
| Bajubang Laut, Muara Bulian | 36611 |
| Kilangan, Muara Bulian | 36611 |
| Malapari, Muara Bulian | 36611 |
| Muara Bulian, Muara Bulian | 36613 |
| Muara Singoan, Muara Bulian | 36611 |
| Napal Sisik, Muara Bulian | 36611 |
| Olak, Muara Bulian | 36611 |
| Pasar Baru, Muara Bulian | 36611 |
| Pasar Terusan, Muara Bulian | 36611 |
| Pelayangan, Muara Bulian | 36611 |
| Rambahan, Muara Bulian | 36612 |
| Rantau Puri, Muara Bulian | 36611 |
| Rengas Condong, Muara Bulian | 36611 |
| Simpang Terusan, Muara Bulian | 36611 |
| Singkawang, Muara Bulian | 36611 |
| Sridadi, Muara Bulian | 36614 |
| Sungai Baung, Muara Bulian | 36611 |
| Sungai Buluh, Muara Bulian | 36611 |
| Tenam, Muara Bulian | 36611 |
| Teratai, Muara Bulian | 36612 |