| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Nakham, Naphiang | 07000 |
| Postal/ZIP Codes in Nakhouang, Naphiang | 07000 |
| Postal/ZIP Codes in Naphieng, Naphiang | 07000 |
| Postal/ZIP Codes in Nasan, Naphiang | 07000 |
| Postal/ZIP Codes in Phahenh, Naphiang | 07000 |
| Postal/ZIP Codes in Thamxong, Naphiang | 07000 |
| Postal/ZIP Codes in Vangpong, Naphiang | 07000 |