| Place | Post Code |
|---|---|
| Api-Api, Bontang Utara | 75311 |
| Bontang Baru, Bontang Utara | 75311 |
| Bontang Kuala, Bontang Utara | 75312 |
| Guntung, Bontang Utara | 75314 |
| Gunung Elai, Bontang Utara | 75311 |
| Loktuan, Bontang Utara | 75314 |
| All postal codes in Bontang | |
|---|---|
| Bontang Barat, Bontang | |
| Bontang Selatan, Bontang | |
| Bontang Utara, Bontang | |