| Place | Post Code |
|---|---|
| Aritonang, Muara | 22476 |
| Bariba Niaek, Muara | 22476 |
| Batu Binumbun, Muara | 22476 |
| Dolok Martumbur, Muara | 22476 |
| Huta Ginjang, Muara | 22476 |
| Huta Lontung, Muara | 22476 |
| Huta Nagodang, Muara | 22476 |
| Papande, Muara | 22476 |
| Sampuran, Muara | 22476 |
| Sibandang, Muara | 22476 |
| Silali Toruan, Muara | 22476 |
| Silando, Muara | 22476 |
| Simatupang, Muara | 22476 |
| Sitanggor, Muara | 22476 |
| Unte Mungkur, Muara | 22476 |