| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Keokuang, Sanlouang | 09000 |
| Postal/ZIP Codes in Nahone, Sanlouang | 09000 |
| Postal/ZIP Codes in Namouang, Sanlouang | 09000 |
| Postal/ZIP Codes in Phapheung, Sanlouang | 09000 |
| Postal/ZIP Codes in Phoukafe, Sanlouang | 09000 |
| Postal/ZIP Codes in Sanluang, Sanlouang | 09000 |