| Place | Postal Code |
|---|---|
| Bawang, Dolok Silau | 21168 |
| Bosi Sinombah, Dolok Silau | 21168 |
| Cingkes, Dolok Silau | 21168 |
| Dolok Mariah, Dolok Silau | 21168 |
| Huta Saing, Dolok Silau | 21168 |
| Mariah Dolok, Dolok Silau | 21168 |
| Marubun Lokkung, Dolok Silau | 21168 |
| Paribuan, Dolok Silau | 21168 |
| Perasmian, Dolok Silau | 21168 |
| Saran Padang, Dolok Silau | 21168 |
| Silau Marawan, Dolok Silau | 21168 |
| Tagur, Dolok Silau | 21168 |
| Tanjung Purba, Dolok Silau | 21168 |
| Ujung Bawang, Dolok Silau | 21168 |