| Place | Post Code |
|---|---|
| Ang-Hom, Sakok | 07000 |
| Dornkhoun, Sakok | 07000 |
| Hathien, Sakok | 07000 |
| Hatsa, Sakok | 07000 |
| Huaysa, Sakok | 07000 |
| Nampoung, Sakok | 07000 |
| Nasan, Sakok | 07000 |
| Phonsaath, Sakok | 07000 |
| Sakok, Sakok | 07000 |
| All postal codes in Viengthong | |
|---|---|
| Daohuang, Viengthong | |
| Phanlo, Viengthong | |
| Sakok, Viengthong | |
| Thamla, Viengthong | |
| Thathiam, Viengthong | |