| Place | Postal Code |
|---|---|
| Dornkeo, Kaengkhon | 14000 |
| Hat Xay Kham, Kaengkhon | 14000 |
| Nakhok, Kaengkhon | 14000 |
| Namtheng, Kaengkhon | 14000 |
| Natanxe, Kaengkhon | 14000 |
| Nonghoy, Kaengkhon | 14000 |
| Okat Noy, Kaengkhon | 14000 |
| Sa - O, Kaengkhon | 14000 |
| Thaxang, Kaengkhon | 14000 |
| Thouangse, Kaengkhon | 14000 |