| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Kengkeurk, Nahoy | 13000 |
| Postal/ZIP Codes in Mouangluang, Nahoy | 13000 |
| Postal/ZIP Codes in Nahoy, Nahoy | 13000 |
| Postal/ZIP Codes in Nakaseun, Nahoy | 13000 |
| Postal/ZIP Codes in Namphouk, Nahoy | 13000 |
| Postal/ZIP Codes in Vangpakhouay, Nahoy | 13000 |