| Place | Post Code |
|---|---|
| Chachoumpou, Xiengkok | 03000 |
| Chagnoumpha, Xiengkok | 03000 |
| Khalang, Xiengkok | 03000 |
| Meuangkhan, Xiengkok | 03000 |
| Phola, Xiengkok | 03000 |
| Phonangnoy, Xiengkok | 03000 |
| Poungxay, Xiengkok | 03000 |
| Sompan Tai, Xiengkok | 03000 |
| Sompanyao, Xiengkok | 03000 |
| Taxoum Kao, Xiengkok | 03000 |
| Taxoum Mai, Xiengkok | 03000 |
| Xienghoung, Xiengkok | 03000 |
| Xiengkok Kao, Xiengkok | 03000 |
| Xiengkok Mai, Xiengkok | 03000 |
| All postal codes in Long | |
|---|---|
| Chaleunxai, Long | |
| Chamai, Long | |
| Chomchaeng, Long | |
| Chongka, Long | |
| Sa, Long | |
| Sivilai, Long | |
| Sompan, Long | |
| That, Long | |
| Xiengkok, Long | |