| Place | Post Code |
|---|---|
| Dongmakyang, Dongnaxai | 13000 |
| Nakoyhouay, Dongnaxai | 13000 |
| Nakoykhok, Dongnaxai | 13000 |
| Nongsay, Dongnaxai | 13000 |
| Palay, Dongnaxai | 13000 |
| Phonengoy, Dongnaxai | 13000 |
| All postal codes in Atsaphangthong | |
|---|---|
| Donghen, Atsaphangthong | |
| Dongnaxai, Atsaphangthong | |
| Laikatha, Atsaphangthong | |
| Lianxai, Atsaphangthong | |
| Nalai, Atsaphangthong | |
| Naphek, Atsaphangthong | |
| Phonphang, Atsaphangthong | |