31991 postal code
South KoreaUpdated 2026-11-09서산시, 충청남도서산시5 digits
Postal code details
1 placeCode
31991
Place
서산시
Region
충청남도
County
서산시
Coordinates
36.7763, 126.4569
Accuracy
6 / 6
Country
South Korea
Location
OpenStreetMap ↗
36.7763, 126.4569© OpenStreetMap
Ad slot · 300×250
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| 서산시 | 충청남도 | 서산시 | 36.7763, 126.4569 |
Same code in other countries
2| Country | Place | Region |
|---|---|---|
| MX Mexico | Buena Vista | Chihuahua |
| PL Poland | Kraków | Lesser Poland |
FAQ
Which city is 31991 in?
서산시, 충청남도, South Korea.
What are the coordinates of 31991?
36.7763, 126.4569
Is 31991 used in other countries?
Yes, 2 other countries.
Updated 2026-11-09. Attribution in Data & license.