| Place |
Post Code |
| Donxai, Sopchia |
06000 |
| Huabraed, Sopchia |
06000 |
| Huamuang, Sopchia |
06000 |
| Huaydong, Sopchia |
06000 |
| Huaypote, Sopchia |
06000 |
| Huaysiyua, Sopchia |
06000 |
| Mokchong, Sopchia |
06000 |
| Moklahai, Sopchia |
06000 |
| Nong On, Sopchia |
06000 |
| Parkxai, Sopchia |
06000 |
| Phakhok, Sopchia |
06000 |
| Phoubout, Sopchia |
06000 |
| Phoungong, Sopchia |
06000 |
| Sobchia, Sopchia |
06000 |
| Tongsan, Sopchia |
06000 |
| All postal codes in Phonxay |
| Chomchieng, Phonxay |
| Donkham, Phonxay |
| Houaykhing, Phonxay |
| Katangsaluang, Phonxay |
| Nambo, Phonxay |
| Neunsoung, Phonxay |
| Paknga, Phonxay |
| Phonthong, Phonxay |
| Sopchia, Phonxay |
| Thakham, Phonxay |