| Place | Postal Code |
|---|---|
| Houy Ang, Khok-aek | 08000 |
| Keng Hang, Khok-aek | 08000 |
| Khok Aik, Khok-aek | 08000 |
| Khok Tong, Khok-aek | 08000 |
| Na Sew, Khok-aek | 08000 |
| Phia Mou, Khok-aek | 08000 |
| Phou Dok Mai Tai, Khok-aek | 08000 |
| Phou Vy Som, Khok-aek | 08000 |
| Phou Ya Kha Neua, Khok-aek | 08000 |
| Phou Ya Kha Tai, Khok-aek | 08000 |