| Place | Post Code |
|---|---|
| Huaysan, Namon | 10000 |
| Khanmak, Namon | 10000 |
| Na Om, Namon | 10000 |
| Nalao, Namon | 10000 |
| Namon Neua, Namon | 10000 |
| Namon Tai, Namon | 10000 |
| Nampat Neua, Namon | 10000 |
| Nangeun Neua, Namon | 10000 |
| Nangeun Tai, Namon | 10000 |
| Ngew Tai, Namon | 10000 |
| Phonekeo, Namon | 10000 |
| Phonesawang, Namon | 10000 |
| Phoneyang, Namon | 10000 |
| Vangheua, Namon | 10000 |
| Vangmieng, Namon | 10000 |
| Vangxong, Namon | 10000 |
| All postal codes in Vangvieng | |
|---|---|
| Nalongkoang, Vangvieng | |
| Namon, Vangvieng | |
| Phatang, Vangvieng | |
| Phonxou - Napho, Vangvieng | |
| Thahua, Vangvieng | |
| Thin-on, Vangvieng | |
| Vangvieng, Vangvieng | |