| Place | Post Code |
|---|---|
| Dongbong, Naxaythong | 01140 |
| Nakhoun Neua, Naxaythong | 01140 |
| Nakhoun Tai, Naxaythong | 01140 |
| Naxai Kang, Naxaythong | 01140 |
| Naxai Neua, Naxaythong | 01140 |
| Naxai Tai, Naxaythong | 01140 |
| Nonggnao, Naxaythong | 01140 |
| Pakhet, Naxaythong | 01140 |
| All postal codes in Naxaithong | |
|---|---|
| Ilai, Naxaithong | |
| Nakha, Naxaithong | |
| Namkiang, Naxaithong | |
| Naxaythong, Naxaithong | |
| Phonthong, Naxaithong | |
| Sikeut, Naxaithong | |