| Place | Post Code |
|---|---|
| Kak 24, Phonpha | 18000 |
| Kormi, Phonpha | 18000 |
| Lak 18, Phonpha | 18000 |
| Lak 33, Phonpha | 18000 |
| Muang Soum, Phonpha | 18000 |
| Namtae, Phonpha | 18000 |
| Phadaeng Neua, Phonpha | 18000 |
| Phadaeng Tai, Phonpha | 18000 |
| Phonekham, Phonpha | 18000 |
| Phonlao, Phonpha | 18000 |
| Vangkeo, Phonpha | 18000 |
| All postal codes in Anouvong | |
|---|---|
| Ao-nua, Anouvong | |
| Namgnon, Anouvong | |
| Om, Anouvong | |
| Phonpha, Anouvong | |
| Thetsaban, Anouvong | |