| Place | Post Code |
|---|---|
| Enda Portibi, Siatas Barita | 22417 |
| Lobuhole, Siatas Barita | 22417 |
| Lumban Siagian Jae, Siatas Barita | 22417 |
| Lumban Siagian Julu, Siatas Barita | 22417 |
| Pansur Napitu, Siatas Barita | 22419 |
| Sangkaran, Siatas Barita | 22418 |
| Si Raja Hutagalung, Siatas Barita | 22417 |
| Sidagal, Siatas Barita | 22417 |
| Simanampang, Siatas Barita | 22417 |
| Simorangkir Habinsaran, Siatas Barita | 22417 |
| Simorangkir Julu, Siatas Barita | 22417 |
| Sitompul, Siatas Barita | 22418 |