| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Alao Kao, Gnang | 13000 |
| Postal/ZIP Codes in Alao Mai, Gnang | 13000 |
| Postal/ZIP Codes in Kapang, Gnang | 13000 |
| Postal/ZIP Codes in Kengxay, Gnang | 13000 |
| Postal/ZIP Codes in Pasiar, Gnang | 13000 |
| Postal/ZIP Codes in Perk, Gnang | 13000 |
| Postal/ZIP Codes in Phay, Gnang | 13000 |
| Postal/ZIP Codes in Phonexay, Gnang | 13000 |
| Postal/ZIP Codes in Vongsikeo, Gnang | 13000 |
| Postal/ZIP Codes in Xaysavang, Gnang | 13000 |