| Place | Post Code |
|---|---|
| Awang Besar, Barabai | 71315 |
| Ayuang, Barabai | 71315 |
| Babai, Barabai | 71315 |
| Bakapas, Barabai | 71315 |
| Banua Binjai, Barabai | 71315 |
| Banua Budi, Barabai | 71315 |
| Banua Jingah, Barabai | 71315 |
| Barabai Barat, Barabai | 71314 |
| Barabai Darat, Barabai | 71315 |
| Barabai Selatan, Barabai | 71311 |
| Barabai Timur, Barabai | 71312 |
| Barabai Utara, Barabai | 71313 |
| Benawa Tengah, Barabai | 71315 |
| Bukat, Barabai | 71315 |
| Gambah, Barabai | 71315 |
| Kayu Bawang, Barabai | 71315 |
| Mandingin, Barabai | 71315 |
| Pajukungan, Barabai | 71315 |