| Ort | Postleitzahl |
|---|---|
| Houayhay, Viengphan | 07000 |
| Nakhoun, Viengphan | 07000 |
| Nam Tai, Viengphan | 07000 |
| Nambong, Viengphan | 07000 |
| Naxay, Viengphan | 07000 |
| Pakham, Viengphan | 07000 |
| Phangam, Viengphan | 07000 |
| Soppen, Viengphan | 07000 |
| Thamcheun, Viengphan | 07000 |
| Tong-Ou, Viengphan | 07000 |
| Vangphanh, Viengphan | 07000 |