21100 postal code
South KoreaUpdated 2026-11-09계양구, 인천광역시계양구5 digits
Postal code details
1 placeCode
21100
Place
계양구
Region
인천광역시
County
계양구
Coordinates
37.5317, 126.6999
Accuracy
6 / 6
Country
South Korea
Location
OpenStreetMap ↗



37.5317, 126.6999© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| 계양구 | 인천광역시 | 계양구 | 37.5317, 126.6999 |
Same code in other countries
7| Country | Place | Region |
|---|---|---|
| ES Spain | Punta Umbria | Andalucia |
| FI Finland | Naantali | Southwest Finland |
| IT Italy | Bizzozero | Lombardia |
| LK Sri Lanka | Dambulla | Central Province |
| MX Mexico | Nueva | Baja California |
| MY Malaysia | Kuala Terengganu | Terengganu |
| PE Peru | Ayabacas | Puno |
FAQ
Which city is 21100 in?
계양구, 인천광역시, South Korea.
What are the coordinates of 21100?
37.5317, 126.6999
Is 21100 used in other countries?
Yes, 7 other countries.
Updated 2026-11-09. Attribution in Data & license.