| Place | Post Code |
|---|---|
| Bah Sarimah, Silau Kahean | 21157 |
| Bandar Maruhur, Silau Kahean | 21157 |
| Bandar Nagori, Silau Kahean | 21157 |
| Buttu Bayu, Silau Kahean | 21157 |
| Damaritang, Silau Kahean | 21157 |
| Dolok Marawa, Silau Kahean | 21157 |
| Dolok Saribu Bangun, Silau Kahean | 21157 |
| Mariah Buttu, Silau Kahean | 21157 |
| Nagori Tani, Silau Kahean | 21157 |
| Negeri Dolok, Silau Kahean | 21157 |
| Pardomuan Bandar, Silau Kahean | 21157 |
| Pardomuan Tongah, Silau Kahean | 21157 |
| silou Dunia (Silau Dunia, Silau Kahean) | 21157 |
| silou Paribuan (Silau Paribuan, Silau Kahean) | 21157 |
| Simanabun, Silau Kahean | 21157 |
| Sinasih, Silau Kahean | 21157 |