7 Kelurahan/Desa
| Kode | Nama | Kode Pos |
|---|---|---|
| 12.13.23.2004 | Banua Rakyat | 22975 |
| 12.13.23.2006 | Banua Simanosor | 22975 |
| 12.13.23.2003 | Humbang I | 22975 |
| 12.13.23.2005 | Sayur Matua | 22975 |
| 12.13.23.2001 | Tambiski | 22975 |
| 12.13.23.2007 | Tambiski Nauli | 22975 |
| 12.13.23.2002 | Tarutung Panjang | 22975 |