| Place |
Post Code |
| Buam An, Phonxai |
06000 |
| Chormlek, Phonxai |
06000 |
| Chormying, Phonxai |
06000 |
| Done, Phonxai |
06000 |
| Huana, Phonxai |
06000 |
| Huayngone, Phonxai |
06000 |
| Huaythong, Phonxai |
06000 |
| Kewhia, Phonxai |
06000 |
| Nam-Er, Phonxai |
06000 |
| Nambong, Phonxai |
06000 |
| Nokkachork, Phonxai |
06000 |
| Phone, Phonxai |
06000 |
| Phonekham, Phonxai |
06000 |
| Phonesawaan, Phonxai |
06000 |
| Poungfa, Phonxai |
06000 |
| Xang, Phonxai |
06000 |
| All postal codes in Ngoi |
| Khonkeung, Ngoi |
| Lat-aen, Ngoi |
| Muangngoy, Ngoi |
| Muangxun, Ngoi |
| Paknga, Ngoi |
| Phonxai, Ngoi |
| Phouthitpheung, Ngoi |
| Sopkhing, Ngoi |
| Sopvan, Ngoi |
| Thetsaban, Ngoi |