21123 postal code
South KoreaUpdated 2026-11-09계양구, 인천광역시계양구5 digits
Postal code details
1 placeCode
21123
Place
계양구
Region
인천광역시
County
계양구
Coordinates
37.5247, 126.7314
Accuracy
6 / 6
Country
South Korea
Location
OpenStreetMap ↗
37.5247, 126.7314© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| 계양구 | 인천광역시 | 계양구 | 37.5247, 126.7314 |
FAQ
Which city is 21123 in?
계양구, 인천광역시, South Korea.
What are the coordinates of 21123?
37.5247, 126.7314
Is 21123 used in other countries?
Yes, 3 other countries.
Updated 2026-11-09. Attribution in Data & license.