31999 postal code
South KoreaUpdated 2026-11-09서산시, 충청남도서산시5 digits
Postal code details
1 placeCode
31999
Place
서산시
Region
충청남도
County
서산시
Coordinates
36.7678, 126.4545
Accuracy
6 / 6
Country
South Korea
Location
OpenStreetMap ↗
36.7678, 126.4545© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| 서산시 | 충청남도 | 서산시 | 36.7678, 126.4545 |
FAQ
Which city is 31999 in?
서산시, 충청남도, South Korea.
What are the coordinates of 31999?
36.7678, 126.4545
Is 31999 used in other countries?
Yes, 3 other countries.
Updated 2026-11-09. Attribution in Data & license.