South Korea
31790 post code
Post code details
2 placesCode
Place
고대면
Region
충청남도
County
당진시
Coordinates
36.9611, 126.5499
Accuracy
6 / 6
Country
South Korea
Location
OpenStreetMap ↗
36.9611, 126.5499© OpenStreetMap
Places under this code
2| Place | Region | County | Coordinates |
|---|---|---|---|
| 고대면 | 충청남도 | 당진시 | 36.9611, 126.5499 |
| 석문면 | 충청남도 | 당진시 | 36.9809, 126.5364 |
Same code in other countries
3FAQ
Which city is 31790 in?
고대면, 충청남도, South Korea.
What are the coordinates of 31790?
36.9611, 126.5499
Is 31790 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