| Place | Post Code |
|---|---|
| Huayhor, Phathong | 11000 |
| Kokkhaam, Phathong | 11000 |
| Namngorm, Phathong | 11000 |
| Namyang, Phathong | 11000 |
| Natik, Phathong | 11000 |
| Pahok, Phathong | 11000 |
| Phadaeng, Phathong | 11000 |
| Phienghong, Phathong | 11000 |
| Phondou, Phathong | 11000 |
| Sobna, Phathong | 11000 |
| Sobsor, Phathong | 11000 |
| Thaphae, Phathong | 11000 |
| Vanghin, Phathong | 11000 |
| Vangkhong (Kaengnao), Phathong | 11000 |
| Vangmaak (Vangphouy), Phathong | 11000 |
| Vangxong, Phathong | 11000 |
| All postal codes in Viengthong | |
|---|---|
| Chomthong, Viengthong | |
| Namuang, Viengthong | |
| Naxouang, Viengthong | |
| Phathong, Viengthong | |
| Thadua, Viengthong | |
| Thongmixai, Viengthong | |