| Place | Post Code |
|---|---|
| Chakhaphou, Pakkhan | 03000 |
| Chale Kao, Pakkhan | 03000 |
| Chale Mai, Pakkhan | 03000 |
| Chava, Pakkhan | 03000 |
| All postal codes in Viengphoukha | |
|---|---|
| Namfa, Viengphoukha | |
| Namngeun, Viengphoukha | |
| Namphae, Viengphoukha | |
| Namsing, Viengphoukha | |
| Pakkhan, Viengphoukha | |
| Thiao, Viengphoukha | |
| Thonglat, Viengphoukha | |