| Place | Post Code |
|---|---|
| Chormphet, Mouangkham | 06000 |
| Hatkeo, Mouangkham | 06000 |
| Hatkhaen, Mouangkham | 06000 |
| Hattin, Mouangkham | 06000 |
| Hatyen, Mouangkham | 06000 |
| Huay Aan, Mouangkham | 06000 |
| Huay An, Mouangkham | 06000 |
| Kewbang, Mouangkham | 06000 |
| Kewlai, Mouangkham | 06000 |
| Longngew, Mouangkham | 06000 |
| Muangkham, Mouangkham | 06000 |
| Phapeuak, Mouangkham | 06000 |
| Phonehome, Mouangkham | 06000 |
| Phonethong, Mouangkham | 06000 |
| Phonexai, Mouangkham | 06000 |
| Phonkeo, Mouangkham | 06000 |