| Place | Post Code |
|---|---|
| Done Keo, Muanglouang | 12000 |
| Kouane, Muanglouang | 12000 |
| Mouang Luang, Muanglouang | 12000 |
| Na Dane, Muanglouang | 12000 |
| Na Dao, Muanglouang | 12000 |
| Na Si Da, Muanglouang | 12000 |
| Pa, Muanglouang | 12000 |
| Phon Khor, Muanglouang | 12000 |
| Song, Muanglouang | 12000 |
| Vang Hine, Muanglouang | 12000 |
| Vang Yiam, Muanglouang | 12000 |
| Yang, Muanglouang | 12000 |
| All postal codes in Nakai | |
|---|---|
| Muanglouang, Nakai | |
| Nakay, Nakai | |
| Natan, Nakai | |
| Navang, Nakai | |
| Teung, Nakai | |
| Thaphaiban, Nakai | |