| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Hatdonxay, Lao | 03000 |
| Postal/ZIP Codes in Hatloi, Lao | 03000 |
| Postal/ZIP Codes in Hatlom, Lao | 03000 |
| Postal/ZIP Codes in Hatte, Lao | 03000 |
| Postal/ZIP Codes in Hongthon, Lao | 03000 |
| Postal/ZIP Codes in Lao, Lao | 03000 |
| Postal/ZIP Codes in Namtheng, Lao | 03000 |
| Postal/ZIP Codes in Phouvieng, Lao | 03000 |
| Postal/ZIP Codes in Saloi, Lao | 03000 |
| Postal/ZIP Codes in Vangmixai, Lao | 03000 |