10 Kelurahan/Desa
| Kode | Nama | Kode Pos |
|---|---|---|
| 12.21.16.2003 | Aek Siala | 22755 |
| 12.21.16.2008 | Batusundung | 22755 |
| 12.21.16.2004 | Bire | 22755 |
| 12.21.16.2001 | Gading | 22755 |
| 12.21.16.2002 | Huta Ruhom | 22755 |
| 12.21.16.2007 | Para Napa Dolok | 22755 |
| 12.21.16.2006 | Para Napa Jae | 22755 |
| 12.21.16.2005 | Sibontar | 22755 |
| 12.21.16.2009 | Sidongdong | 22755 |
| 12.21.16.2010 | Sisalean | 22755 |