21978 postal code
South KoreaUpdated 2026-11-09연수구, 인천광역시연수구5 digits
Postal code details
1 placeCode
21978
Place
연수구
Region
인천광역시
County
연수구
Coordinates
37.3986, 126.665
Accuracy
6 / 6
Country
South Korea
Location
OpenStreetMap ↗
37.3986, 126.665© OpenStreetMap
Ad slot · 300×250
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| 연수구 | 인천광역시 | 연수구 | 37.3986, 126.665 |
Same code in other countries
0This code only appears in this country.
FAQ
Which city is 21978 in?
연수구, 인천광역시, South Korea.
What are the coordinates of 21978?
37.3986, 126.665
Is 21978 used in other countries?
No.
Updated 2026-11-09. Attribution in Data & license.