| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Houaythong, Namsat | 06000 |
| Postal/ZIP Codes in Kiouha, Namsat | 06000 |
| Postal/ZIP Codes in Muane, Namsat | 06000 |
| Postal/ZIP Codes in Nong Nua, Namsat | 06000 |
| Postal/ZIP Codes in Pong Tai, Namsat | 06000 |
| Postal/ZIP Codes in Saenluang, Namsat | 06000 |
| Postal/ZIP Codes in Thongloum, Namsat | 06000 |
| Postal/ZIP Codes in Thongtherng, Namsat | 06000 |