| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Nanan, Phouvieng | 06000 |
| Postal/ZIP Codes in Phouviengnoi, Phouvieng | 06000 |
| Postal/ZIP Codes in Phouviengyai, Phouvieng | 06000 |
| Postal/ZIP Codes in Phouyang, Phouvieng | 06000 |
| Postal/ZIP Codes in Sobboun, Phouvieng | 06000 |