| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Danxang, Xai | 01170 |
| Postal/ZIP Codes in Dongmakkhai, Xai | 01170 |
| Postal/ZIP Codes in Dongsanghin, Xai | 01170 |
| Postal/ZIP Codes in Donnoun, Xai | 01170 |
| Postal/ZIP Codes in Dontiou, Xai | 01170 |
| Postal/ZIP Codes in Nakhe, Xai | 01170 |
| Postal/ZIP Codes in Xai, Xai | 01170 |
| Postal/ZIP Codes in Xaisawang, Xai | 01170 |