| Place | Post Code |
|---|---|
| Katangkouak, Namfa | 03000 |
| Lakeung, Namfa | 03000 |
| Lamon, Namfa | 03000 |
| Namfa, Namfa | 03000 |
| Namkieng, Namfa | 03000 |
| Namseua, Namfa | 03000 |
| Phoulet, Namfa | 03000 |
| Tachoum, Namfa | 03000 |
| All postal codes in Viengphoukha | |
|---|---|
| Namfa, Viengphoukha | |
| Namngeun, Viengphoukha | |
| Namphae, Viengphoukha | |
| Namsing, Viengphoukha | |
| Pakkhan, Viengphoukha | |
| Thiao, Viengphoukha | |
| Thonglat, Viengphoukha | |