| Place | Post Code |
|---|---|
| Donpaxat, Phonhong | 10000 |
| Huaypoung, Phonhong | 10000 |
| Huaython, Phonhong | 10000 |
| Nakhaam, Phonhong | 10000 |
| Namchaeng, Phonhong | 10000 |
| Namlin, Phonhong | 10000 |
| Nasong, Phonhong | 10000 |
| Naxou, Phonhong | 10000 |
| Nongbua, Phonhong | 10000 |
| Nongpaen, Phonhong | 10000 |
| Phonehai, Phonhong | 10000 |
| Phonehong, Phonhong | 10000 |
| Phonekham, Phonhong | 10000 |
| Phonesi Tai, Phonhong | 10000 |
| Sibounheuang, Phonhong | 10000 |
| All postal codes in Phonhong | |
|---|---|
| Nalao, Phonhong | |
| Nalao (Lak 52), Phonhong | |
| Napho - Saka, Phonhong | |
| Phonho, Phonhong | |
| Phonhong, Phonhong | |
| Phonsoung, Phonhong | |