| Place | Postal Code |
|---|---|
| Bandar Hapinis, Muara Batang Toru | 22736 |
| Huta Raja, Muara Batang Toru | 22736 |
| Muara Ampolu, Muara Batang Toru | 22736 |
| Muara Huta Raja, Muara Batang Toru | 22736 |
| Muara Manompas, Muara Batang Toru | 22736 |
| Muara Upu, Muara Batang Toru | 22736 |
| Pardamean, Muara Batang Toru | 22736 |
| Simarlelan, Muara Batang Toru | 22736 |
| Tarapung Raya, Muara Batang Toru | 22736 |