| Place | Post Code |
|---|---|
| Houaykhor, Daohuang | 07000 |
| Kang, Daohuang | 07000 |
| Khong, Daohuang | 07000 |
| Korkieng, Daohuang | 07000 |
| Phoudan, Daohuang | 07000 |
| Poung, Daohuang | 07000 |
| Poungpin, Daohuang | 07000 |
| Vang Teun, Daohuang | 07000 |
| Viengthong, Daohuang | 07000 |
| All postal codes in Viengthong | |
|---|---|
| Daohuang, Viengthong | |
| Phanlo, Viengthong | |
| Sakok, Viengthong | |
| Thamla, Viengthong | |
| Thathiam, Viengthong | |