| Place | Post Code |
|---|---|
| Badak Baru, Muara Badak | 75382 |
| Badak Mekar, Muara Badak | 75382 |
| Batu Batu, Muara Badak | 75382 |
| Gas Alam Badak I, Muara Badak | 75382 |
| Muara Badak Ilir, Muara Badak | 75382 |
| Muara Badak Ulu, Muara Badak | 75382 |
| Salo Cella, Muara Badak | 75382 |
| Salo Palai, Muara Badak | 75382 |
| Seliki, Muara Badak | 75382 |
| Suka Damai, Muara Badak | 75382 |
| Sei Bawang (Sungai Bawang, Muara Badak) | 75382 |
| Tanah Datar, Muara Badak | 75382 |
| Tanjung Limau, Muara Badak | 75382 |