| Place | Post Code |
|---|---|
| Banna, Lak 90 | 14000 |
| Daocheng Gnai, Lak 90 | 14000 |
| Dongtaloun, Lak 90 | 14000 |
| Keng Yang, Lak 90 | 14000 |
| Lak 90, Lak 90 | 14000 |
| Lak 94, Lak 90 | 14000 |
| Na Sene Phanh, Lak 90 | 14000 |
| Nakhanday, Lak 90 | 14000 |
| Nong Sa No 1, Lak 90 | 14000 |
| Nongveng, Lak 90 | 14000 |
| Phonedinsai, Lak 90 | 14000 |