| Place | Postal Code |
|---|---|
| Bangpang, Souy - Viengxai | 09000 |
| Buaxai, Souy - Viengxai | 09000 |
| Chomsi, Souy - Viengxai | 09000 |
| Dook, Souy - Viengxai | 09000 |
| Mang, Souy - Viengxai | 09000 |
| Nakhuan, Souy - Viengxai | 09000 |
| Namchat, Souy - Viengxai | 09000 |
| Namsam, Souy - Viengxai | 09000 |
| Nongkang, Souy - Viengxai | 09000 |
| Nongtang, Souy - Viengxai | 09000 |
| Sacksort, Souy - Viengxai | 09000 |
| Souy, Souy - Viengxai | 09000 |
| Xiengdaet, Souy - Viengxai | 09000 |
| Postal Codes in Phookood | |
|---|---|
| Ang, Phookood | |
| Kheung - Longhang, Phookood | |
| Souy - Viengxai, Phookood | |
| Thay - Longkhan, Phookood | |