31978 postal code

South KoreaUpdated 2026-11-09

서산시, 충청남도서산시5 digits

Postal code details

1 place

Code

31978

Place

서산시

Region

충청남도

County

서산시

Coordinates

36.7856, 126.4658

Accuracy

6 / 6

Country

South Korea

36.7856, 126.4658© OpenStreetMap

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Place	Region	County	Coordinates
서산시	충청남도	서산시	36.7856, 126.4658

Country	Place	Region
MX Mexico	Campo 255	Chihuahua
PL Poland	Kraków	Lesser Poland

Which city is 31978 in?

서산시, 충청남도, South Korea.

What are the coordinates of 31978?

36.7856, 126.4658

Is 31978 used in other countries?

Yes, 2 other countries.

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