| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Phum 6, Buon | 180404 |
| Postal/ZIP Codes in Phum Bei, Buon (ភូមិ៣) | 180404 |
| Postal/ZIP Codes in Phum Buon, Buon (ភូមិ៤) | 180404 |
| Postal/ZIP Codes in Phum Muoy, Buon (ភូមិ១) | 180404 |
| Postal/ZIP Codes in Phum Pir, Buon (ភូមិ២) | 180404 |
| Postal/ZIP Codes in Phum Pram, Buon (ភូមិ៥) | 180404 |