| Place |
Post Code |
| Houaysaen, Phousamam |
06000 |
| Huaysalieng, Phousamam |
06000 |
| Mokkanet, Phousamam |
06000 |
| Mokseuk, Phousamam |
06000 |
| Ngew, Phousamam |
06000 |
| Nokpho, Phousamam |
06000 |
| Nongkham, Phousamam |
06000 |
| Phoukham, Phousamam |
06000 |
| Phousamaan, Phousamam |
06000 |
| Phousli, Phousamam |
06000 |
| Phoutong, Phousamam |
06000 |
| All postal codes in Viengkham |
| Dokkhoun, Viengkham |
| Mokkha, Viengkham |
| Muangmouay, Viengkham |
| Phousamam, Viengkham |
| Sae, Viengkham |
| Samsoum, Viengkham |
| Samton, Viengkham |
| Sophuang, Viengkham |
| Vangbong, Viengkham |
| Viengkham, Viengkham |