| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Lakmouang, Phonsavan | 16000 |
| Postal/ZIP Codes in Phonebok, Phonsavan | 16000 |
| Postal/ZIP Codes in Phonexai, Phonsavan | 16000 |
| Postal/ZIP Codes in Sibounheuang, Phonsavan | 16000 |
| Postal/ZIP Codes in Vatlouang, Phonsavan | 16000 |