| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Na Bone, Natan | 12000 |
| Postal/ZIP Codes in Na Hang, Natan | 12000 |
| Postal/ZIP Codes in Na Mouang, Natan | 12000 |
| Postal/ZIP Codes in Na Tane, Natan | 12000 |
| Postal/ZIP Codes in Na Thanh, Natan | 12000 |
| Postal/ZIP Codes in Phon Bak, Natan | 12000 |
| Postal/ZIP Codes in Phon Kham, Natan | 12000 |
| Postal/ZIP Codes in Phon Xai, Natan | 12000 |
| Postal/ZIP Codes in Tha Khan Keo, Natan | 12000 |