| Place | Post Code |
|---|---|
| Phonesoung, Phonxou - Napho | 10000 |
| Phonexong, Phonxou - Napho | 10000 |
| All postal codes in Vangvieng | |
|---|---|
| Nalongkoang, Vangvieng | |
| Namon, Vangvieng | |
| Phatang, Vangvieng | |
| Phonxou - Napho, Vangvieng | |
| Thahua, Vangvieng | |
| Thin-on, Vangvieng | |
| Vangvieng, Vangvieng | |