| Place | Post Code |
|---|---|
| Lobu Tolong, Paranginan | 22477 |
| Lobutolong Habinsaran, Paranginan | 22477 |
| Lumban Barat, Paranginan | 22477 |
| Lumban Sialaman, Paranginan | 22477 |
| Lumban Sianturi, Paranginan | 22477 |
| Paranginan Selatan, Paranginan | 22477 |
| Paranginan Utara, Paranginan | 22477 |
| Pearung, Paranginan | 22477 |
| Pearung Silali, Paranginan | 22477 |
| Siboru Torop, Paranginan | 22477 |
| Sihonongan, Paranginan | 22477 |