| Place | Post Code |
|---|---|
| Chakhamsen Tai, Chamai | 03000 |
| Chakhamseng Neua, Chamai | 03000 |
| Chakhamtan, Chamai | 03000 |
| Chakhi, Chamai | 03000 |
| Chamai, Chamai | 03000 |
| Cheta, Chamai | 03000 |
| Houayhon, Chamai | 03000 |
| Houaythou Kao, Chamai | 03000 |
| Konmeuang, Chamai | 03000 |
| Panghok, Chamai | 03000 |
| Pangpouak, Chamai | 03000 |
| Paxot, Chamai | 03000 |
| Phapo Tai, Chamai | 03000 |
| Sammeuang Kao, Chamai | 03000 |
| Sammeuang Mai, Chamai | 03000 |
| Senchoumpou, Chamai | 03000 |
| Sompan Mai, Chamai | 03000 |
| Thongnotam, Chamai | 03000 |
| All postal codes in Long | |
|---|---|
| Chaleunxai, Long | |
| Chamai, Long | |
| Chomchaeng, Long | |
| Chongka, Long | |
| Sa, Long | |
| Sivilai, Long | |
| Sompan, Long | |
| That, Long | |
| Xiengkok, Long | |