| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Kouane Khuoy, Nadou | 12000 |
| Postal/ZIP Codes in Lao, Nadou | 12000 |
| Postal/ZIP Codes in Na Dou, Nadou | 12000 |
| Postal/ZIP Codes in Na Dy, Nadou | 12000 |
| Postal/ZIP Codes in Na Kham, Nadou | 12000 |
| Postal/ZIP Codes in Na Tou, Nadou | 12000 |
| Postal/ZIP Codes in Phon Lay, Nadou | 12000 |
| Postal/ZIP Codes in Phone Sa Vanh, Nadou | 12000 |
| Postal/ZIP Codes in Tene, Nadou | 12000 |