| Place | Post Code |
|---|---|
| Bung, Thaphaiban | 12000 |
| Hang, Thaphaiban | 12000 |
| Kor Pong, Thaphaiban | 12000 |
| Mai, Thaphaiban | 12000 |
| Mark Fuang, Thaphaiban | 12000 |
| Na Kang, Thaphaiban | 12000 |
| Na Phou, Thaphaiban | 12000 |
| Na Va, Thaphaiban | 12000 |
| Nat, Thaphaiban | 12000 |
| Sing Thong, Thaphaiban | 12000 |
| Sork Lek, Thaphaiban | 12000 |
| Tha Phai Ban, Thaphaiban | 12000 |
| Tor Heua, Thaphaiban | 12000 |
| Vang Chang, Thaphaiban | 12000 |
| Yung Kouang, Thaphaiban | 12000 |
| All postal codes in Nakai | |
|---|---|
| Muanglouang, Nakai | |
| Nakay, Nakai | |
| Natan, Nakai | |
| Navang, Nakai | |
| Teung, Nakai | |
| Thaphaiban, Nakai | |