| Place | Post Code |
|---|---|
| Namsayam, Naphaeng | 10000 |
| Nangeun, Naphaeng | 10000 |
| Nanokkhoum, Naphaeng | 10000 |
| Naphaeng, Naphaeng | 10000 |
| Nawa, Naphaeng | 10000 |
| Nayang, Naphaeng | 10000 |
| Phonekeo, Naphaeng | 10000 |
| Phonemuang, Naphaeng | 10000 |
| Phoukhaokhuay, Naphaeng | 10000 |
| Sapi, Naphaeng | 10000 |
| Vangheua, Naphaeng | 10000 |
| All postal codes in Thoulakhom | |
|---|---|
| Keun, Thoulakhom | |
| Nakhong, Thoulakhom | |
| Naphaeng, Thoulakhom | |
| Phonngam - Nabo, Thoulakhom | |
| Tanpiao, Thoulakhom | |