| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Dongkang, Na | 13000 |
| Postal/ZIP Codes in Koktankao, Na | 13000 |
| Postal/ZIP Codes in Koutkaso, Na | 13000 |
| Postal/ZIP Codes in Na Nua, Na | 13000 |
| Postal/ZIP Codes in Na Tai, Na | 13000 |
| Postal/ZIP Codes in Nadeua, Na | 13000 |
| Postal/ZIP Codes in Nakhilek Gnai, Na | 13000 |
| Postal/ZIP Codes in Nakhilek Noy, Na | 13000 |
| Postal/ZIP Codes in Phonetath, Na | 13000 |
| Postal/ZIP Codes in Sakout, Na | 13000 |
| Postal/ZIP Codes in Thong, Na | 13000 |