| Place | Post Code |
|---|---|
| Anjir Pulang Pisau, Kahayan Hilir | 74813 |
| Bereng, Kahayan Hilir | 74831 |
| Buntoi, Kahayan Hilir | 74861 |
| Gohong, Kahayan Hilir | 74812 |
| Hanjak Maju, Kahayan Hilir | 74821 |
| Kahayan Hilir, Kahayan Hilir | 74841 |
| Kalawa, Kahayan Hilir | 74812 |
| Mantaren I, Kahayan Hilir | 74861 |
| Mantaren II, Kahayan Hilir | 74861 |
| Mintin, Kahayan Hilir | 74816 |