| Place | Post Code |
|---|---|
| Chaeng Kang, Namlouang | 06000 |
| Chaeng Nua, Namlouang | 06000 |
| Chomtan, Namlouang | 06000 |
| Homnok, Namlouang | 06000 |
| Houayhe, Namlouang | 06000 |
| Houayngiou, Namlouang | 06000 |
| Houayngon, Namlouang | 06000 |
| Houaytalong, Namlouang | 06000 |
| Houaytha, Namlouang | 06000 |
| Houayvaen, Namlouang | 06000 |
| Navat, Namlouang | 06000 |
| Paktha, Namlouang | 06000 |
| Phonsouk, Namlouang | 06000 |
| Sobphon, Namlouang | 06000 |
| All postal codes in Phothong | |
|---|---|
| Muanghup, Phothong | |
| Namlouang, Phothong | |
| Naxon, Phothong | |
| Phonthong, Phothong | |
| Thongsi, Phothong | |