| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Huayhok, Namphan | 09000 |
| Postal/ZIP Codes in Khanghong, Namphan | 09000 |
| Postal/ZIP Codes in Pa Luem, Namphan | 09000 |
| Postal/ZIP Codes in Pakhanoi, Namphan | 09000 |
| Postal/ZIP Codes in Pakhayai, Namphan | 09000 |
| Postal/ZIP Codes in Thalin, Namphan | 09000 |