South Korea
31809 post code
Post code details
1 placeCode
Place
합덕읍
Region
충청남도
County
당진시
Coordinates
36.8207, 126.7475
Accuracy
6 / 6
Country
South Korea
Location
OpenStreetMap ↗








36.8207, 126.7475© OpenStreetMap
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| 합덕읍 | 충청남도 | 당진시 | 36.8207, 126.7475 |
Same code in other countries
3FAQ
Which city is 31809 in?
합덕읍, 충청남도, South Korea.
What are the coordinates of 31809?
36.8207, 126.7475
Is 31809 used in other countries?
Yes, 3 other countries.
The data is unofficial and has known truncation; verify with the recipient and carrier for critical shipments. See data source & license → · Updated 2026-11-09. Attribution in