South Korea

31977 post code

Post code details

1 place

Code

Place

서산시

Region

충청남도

County

서산시

Coordinates

36.786, 126.4611

Accuracy

6 / 6

Country

South Korea

Location

OpenStreetMap ↗

36.786, 126.4611© OpenStreetMap

Places under this code

Place	Region	County	Coordinates
서산시	충청남도	서산시	36.786, 126.4611

Nearby codes

All →

31957 31958 31958 31959 31959 31960 31961 31962 31963 31964 31965 31966

Same code in other countries

Country	Place	Region
MX Mexico	Campo 51 A	Chihuahua
PL Poland	Kraków	Lesser Poland

FAQ

Which city is 31977 in?

서산시, 충청남도, South Korea.

What are the coordinates of 31977?

36.786, 126.4611

Is 31977 used in other countries?

Yes, 2 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