9 Kelurahan/Desa
| Kode | Nama | Kode Pos |
|---|---|---|
| 12.09.16.2001 | Ambalutu | 21261 |
| 12.09.16.2002 | Buntu Pane | 21261 |
| 12.09.16.2019 | Karya Ambalutu | 21261 |
| 12.09.16.2003 | Lestari | 21261 |
| 12.09.16.2017 | Mekar Sari | 21261 |
| 12.09.16.2018 | Perkebunan Sei Silau | 21261 |
| 12.09.16.2005 | Prapat Janji | 21261 |
| 12.09.16.2007 | Sei Silau Timur | 21261 |
| 12.09.16.2016 | Sionggang | 21261 |