| Districts |
|---|
| Laham, Mahakam Hulu |
| Long Apari, Mahakam Hulu |
| Long Bagun, Mahakam Hulu |
| Long Hubung, Mahakam Hulu |
| Long Pahangai, Mahakam Hulu |
| All postal codes in Kalimantan Timur |
|---|
| Balikpapan |
| Berau |
| Bontang |
| Kutai Barat |
| Kutai Kartanegara |
| Kutai Timur |
| Mahakam Hulu |
| Paser |
| Penajam Paser Utara |
| Samarinda |