| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Baru, Luwuk | 94711 |
| Postal/ZIP Codes in Bungin, Luwuk | 94712 |
| Postal/ZIP Codes in Bungin Timur, Luwuk | 94712 |
| Postal/ZIP Codes in Karaton, Luwuk | 94711 |
| Postal/ZIP Codes in Keleke, Luwuk | 94713 |
| Postal/ZIP Codes in Lumpoknyo, Luwuk | 94711 |
| Postal/ZIP Codes in Luwuk, Luwuk | 94711 |
| Postal/ZIP Codes in Mangkio Baru, Luwuk | 94711 |
| Postal/ZIP Codes in Soho, Luwuk | 94713 |
| Postal/ZIP Codes in Tontouan, Luwuk | 94711 |