| Place |
Post Code |
| Hatlane, Naxai |
02000 |
| Houaythong, Naxai |
02000 |
| Khana, Naxai |
02000 |
| Na, Naxai |
02000 |
| Nateuy, Naxai |
02000 |
| Naxay, Naxai |
02000 |
| Omtham, Naxai |
02000 |
| Phouxay, Naxai |
02000 |
| Thaovong, Naxai |
02000 |
| Yai Neua, Naxai |
02000 |
| All postal codes in Samphanh |
| Axeu, Samphanh |
| Eupa, Samphanh |
| Hatnga-tai, Samphanh |
| Kokmouang, Samphanh |
| Laoleo, Samphanh |
| Mouchikang, Samphanh |
| Muanghoun, Samphanh |
| Namhang, Samphanh |
| Namli, Samphanh |
| Naxai, Samphanh |
| Saenkham, Samphanh |