| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Bantoub, Donchai | 05000 |
| Postal/ZIP Codes in Donchai, Donchai | 05000 |
| Postal/ZIP Codes in Donkham, Donchai | 05000 |
| Postal/ZIP Codes in Huayha, Donchai | 05000 |
| Postal/ZIP Codes in Nalouang, Donchai | 05000 |
| Postal/ZIP Codes in Nangam, Donchai | 05000 |
| Postal/ZIP Codes in Phoulai, Donchai | 05000 |