| Place | Postal Code |
|---|---|
| Aek Natolu Jaya, Lumban Julu | 22388 |
| Hatinggian, Lumban Julu | 22388 |
| Hutanamora, Lumban Julu | 22388 |
| Jangga Dolok, Lumban Julu | 22388 |
| Jangga Toruan, Lumban Julu | 22388 |
| Jonggi Nihuta, Lumban Julu | 22388 |
| Lintong Julu, Lumban Julu | 22388 |
| Pasar Lumban Julu, Lumban Julu | 22388 |
| Sibaruang, Lumban Julu | 22388 |
| Sionggang Selatan, Lumban Julu | 22388 |
| Sionggang Tengah, Lumban Julu | 22388 |
| Sionggang Utara, Lumban Julu | 22388 |