| Place | Post Code |
|---|---|
| Deua, Yo | 02000 |
| Gno, Yo | 02000 |
| Khiengpy, Yo | 02000 |
| Namroi, Yo | 02000 |
| Somboune, Yo | 02000 |
| All postal codes in Boon Neua | |
|---|---|
| Boun-nua, Boon Neua | |
| Donxay, Boon Neua | |
| Mai, Boon Neua | |
| Namlou, Boon Neua | |
| Ngay-nua, Boon Neua | |
| Phiangxay, Boon Neua | |
| Yo, Boon Neua | |