| Place | Post Code |
|---|---|
| Bakaeng, Kaengkia | 16000 |
| Huakhua, Kaengkia | 16000 |
| Huaysom, Kaengkia | 16000 |
| Kachit, Kaengkia | 16000 |
| Kaengkia, Kaengkia | 16000 |
| Khanlai, Kaengkia | 16000 |
| Kuangxi, Kaengkia | 16000 |
| Laatbok, Kaengkia | 16000 |
| Meung, Kaengkia | 16000 |
| Noneoudom, Kaengkia | 16000 |
| Nongbua, Kaengkia | 16000 |
| Nongkoung, Kaengkia | 16000 |
| Phialat, Kaengkia | 16000 |
| Phonephai, Kaengkia | 16000 |
| Phonethong, Kaengkia | 16000 |
| Thongphao, Kaengkia | 16000 |
| All postal codes in Bachiangchaleunsook | |
|---|---|
| Houaxae, Bachiangchaleunsook | |
| Kaenggnao, Bachiangchaleunsook | |
| Kaengkia, Bachiangchaleunsook | |
| Lak 21, Bachiangchaleunsook | |
| Oudomsouk, Bachiangchaleunsook | |