| Place | Post Code |
|---|---|
| Chakai, Chongka | 03000 |
| Chala, Chongka | 03000 |
| Chongka Kao, Chongka | 03000 |
| Chongka Mai, Chongka | 03000 |
| Houanambak, Chongka | 03000 |
| Lao Ou, Chongka | 03000 |
| Nambo, Chongka | 03000 |
| Namhi, Chongka | 03000 |
| Pimho, Chongka | 03000 |
| All postal codes in Long | |
|---|---|
| Chaleunxai, Long | |
| Chamai, Long | |
| Chomchaeng, Long | |
| Chongka, Long | |
| Sa, Long | |
| Sivilai, Long | |
| Sompan, Long | |
| That, Long | |
| Xiengkok, Long | |