South Korea

18121 post code

Post code details

1 place

Code

Place

오산시

Region

경기도

County

오산시

Coordinates

37.1607, 127.0574

Accuracy

6 / 6

Country

South Korea

Location

OpenStreetMap ↗

37.1607, 127.0574© OpenStreetMap

Places under this code

Place	Region	County	Coordinates
오산시	경기도	오산시	37.1607, 127.0574

Nearby codes

All →

18101 18102 18103 18104 18105 18106 18107 18108 18109 18110 18111 18112

Same code in other countries

Country	Place	Region
SE Sweden	Lidingö	Stockholm

FAQ

Which city is 18121 in?

오산시, 경기도, South Korea.

What are the coordinates of 18121?

37.1607, 127.0574

Is 18121 used in other countries?

Yes, 1 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