Postal Code 57140
Chiang Khong · Chiang Rai
57140 is the postal code of Chiang Khong in Chiang Rai, Thailand.
- Postal Code
- 57140
- District
- —
- Province
- Chiang Rai
- Country
- Thailand
Place with postal code 57140
| Place | District | Location |
|---|---|---|
| Chiang Khong | — | 20.283, 100.400 |
Nearby postal codes
Frequently asked questions
Which places use postal code 57140?
Chiang Khong.
Which district and province is 57140 in?
Chiang Rai, Thailand.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.