31990 postal code

South KoreaUpdated 2026-11-09

서산시, 충청남도서산시5 digits

Postal code details

1 place

Code

31990

Place

서산시

Region

충청남도

County

서산시

Coordinates

36.7746, 126.453

Accuracy

6 / 6

Country

South Korea

36.7746, 126.453© OpenStreetMap

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Place	Region	County	Coordinates
서산시	충청남도	서산시	36.7746, 126.453

Country	Place	Region
MX Mexico	Matachi	Chihuahua
PL Poland	Kraków	Lesser Poland

Which city is 31990 in?

서산시, 충청남도, South Korea.

What are the coordinates of 31990?

36.7746, 126.453

Is 31990 used in other countries?

Yes, 2 other countries.

Updated 2026-11-09. Attribution in Data & license.