| Place | Postal Code |
|---|---|
| Aek Haruaya, Dolok | 22756 |
| Aek Ilung, Dolok | 22756 |
| Aek Rao Tapian Nadenggan, Dolok | 22756 |
| Aek Suhat Jae, Dolok | 22756 |
| Aek Suhut Tr, Dolok | 22756 |
| Aek Sundur, Dolok | 22756 |
| Aek Tangga, Dolok | 22756 |
| Arse, Dolok | 22756 |
| Bahap, Dolok | 22756 |
| Bandar Nauli, Dolok | 22756 |
| Baringin Sil, Dolok | 22756 |
| Baringin Sip, Dolok | 22756 |
| Batu Runding, Dolok | 22756 |
| Binanga Gumbot, Dolok | 22756 |
| Binanga Panosahan, Dolok | 22756 |
| Bintais Julu, Dolok | 22756 |
| Bukit Tinggi, Dolok | 22756 |
| Bunut, Dolok | 22756 |
| Dalihan Natolu, Dolok | 22756 |
| Dolok Sanggul, Dolok | 22756 |
| Gumaruntar, Dolok | 22756 |
| Gumbot, Dolok | 22756 |
| Gunung Maria, Dolok | 22756 |
| Gunung Salamat, Dolok | 22756 |
| Huta Baru Sil, Dolok | 22756 |
| Huta Baru Sip, Dolok | 22756 |