| Place | Postal Code |
|---|---|
| Aek Sipitudai, Sianjur Mula Mula | 22396 |
| Boho, Sianjur Mula Mula | 22396 |
| Bonan Dolok, Sianjur Mula Mula | 22396 |
| Ginolat, Sianjur Mula Mula | 22396 |
| Habeahan Naburahan, Sianjur Mula Mula | 22396 |
| Hasinggaan, Sianjur Mula Mula | 22396 |
| Huta Ginjang, Sianjur Mula Mula | 22396 |
| Huta Gurgur, Sianjur Mula Mula | 22396 |
| Sari Marihit, Sianjur Mula Mula | 22396 |
| Sianjur Mulamula, Sianjur Mula Mula | 22396 |
| Siboro, Sianjur Mula Mula | 22396 |
| Singkam, Sianjur Mula Mula | 22396 |