| Place | Post Code |
|---|---|
| Barambang, Sosor Gadong | 22568 |
| Baringin, Sosor Gadong | 22568 |
| Huta Tombak, Sosor Gadong | 22568 |
| Muara Bolak, Sosor Gadong | 22568 |
| Siantar Ca, Sosor Gadong | 22568 |
| Siantar Dolok, Sosor Gadong | 22568 |
| Sibintang, Sosor Gadong | 22568 |
| Sosor Gadong, Sosor Gadong | 22568 |
| Unte Boang, Sosor Gadong | 22568 |