Postal Code 21120
Ban Khai · Rayong
21120 is the postal code of Ban Khai in Rayong, Thailand.
- Postal Code
- 21120
- District
- —
- Province
- Rayong
- Country
- Thailand
Place with postal code 21120
| Place | District | Location |
|---|---|---|
| Ban Khai | — | 12.783, 101.300 |
Near Bangkok
The nearest major city is Bangkok, about 138 km away.
Nearby postal codes
Frequently asked questions
Which places use postal code 21120?
Ban Khai.
Which district and province is 21120 in?
Rayong, Thailand.
What is the nearest major city to 21120?
Bangkok, about 138 km away.
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.