| Place | Post Code |
|---|---|
| Dongnakharm, Naphek | 13000 |
| Na-Euang, Naphek | 13000 |
| Nakham Tai, Naphek | 13000 |
| Nalak, Naphek | 13000 |
| Naphek Gnai, Naphek | 13000 |
| Naphek Noy, Naphek | 13000 |
| Nonegnang, Naphek | 13000 |
| Nonhinheir, Naphek | 13000 |
| Phosikeo, Naphek | 13000 |
| Sisaphanxay, Naphek | 13000 |
| All postal codes in Atsaphangthong | |
|---|---|
| Donghen, Atsaphangthong | |
| Dongnaxai, Atsaphangthong | |
| Laikatha, Atsaphangthong | |
| Lianxai, Atsaphangthong | |
| Nalai, Atsaphangthong | |
| Naphek, Atsaphangthong | |
| Phonphang, Atsaphangthong | |