| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Done, Kaengchon | 12000 |
| Postal/ZIP Codes in Keng Chone, Kaengchon | 12000 |
| Postal/ZIP Codes in Khok Ka Tay, Kaengchon | 12000 |
| Postal/ZIP Codes in Khok Sa Vang, Kaengchon | 12000 |
| Postal/ZIP Codes in Na Pa Kha, Kaengchon | 12000 |