| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Naleut, Naxon | 01090 |
| Postal/ZIP Codes in Natham, Naxon | 01090 |
| Postal/ZIP Codes in Naxon, Naxon | 01090 |
| Postal/ZIP Codes in Nongphouvieng, Naxon | 01090 |
| Postal/ZIP Codes in Nonsoung, Naxon | 01090 |
| Postal/ZIP Codes in Pakkuamg, Naxon | 01090 |
| Postal/ZIP Codes in Phao, Naxon | 01090 |
| Postal/ZIP Codes in Veunkabao, Naxon | 01090 |