| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Khokxai, Sithan-tai | 01120 |
| Postal/ZIP Codes in Sithan Tai, Sithan-tai | 01120 |
| Postal/ZIP Codes in Thakhek, Sithan-tai | 01120 |
| Postal/ZIP Codes in Xaifong Neua, Sithan-tai | 01120 |
| Postal/ZIP Codes in Xaifong Tai, Sithan-tai | 01120 |