| Ort | Postleitzahl |
|---|---|
| Bangun Mariah/meriah, Silimakuta | 21167 |
| Purba Sinombah, Silimakuta | 21169 |
| Purba Tua, Silimakuta | 21169 |
| Purba Tua Baru, Silimakuta | 21169 |
| Purba Tua Etek, Silimakuta | 21169 |
| Saribu Dolok, Silimakuta | 21169 |
| Sibangun Meriah, Silimakuta | 21169 |
| Silimakuta, Silimakuta | 21167 |
| Sinar Baru, Silimakuta | 21169 |