21010 postal code
United StatesUpdated 2026-11-09Gunpowder, MarylandHarford5 digits
Postal code details
1 placeCode
21010
Place
Gunpowder
Region
Maryland
County
Harford
Coordinates
39.3982, -76.2743
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
39.3982, -76.2743© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Gunpowder | Maryland | Harford | 39.3982, -76.2743 |
Same code in other countries
10| Country | Place | Region |
|---|---|---|
| CR Costa Rica | Venado | Provincia de Alajuela |
| DZ Algeria | Ben Azouz | Skikda |
| FR France | Dijon | Bourgogne-Franche-Comté |
| IT Italy | Agra | Lombardia |
| KR South Korea | 계양구 | 인천광역시 |
| MX Mexico | Caliss | Baja California |
| MY Malaysia | Kuala Terengganu | Terengganu |
| PK Pakistan | Biari Ayub Khan | Khyber Pakhtunkhwa |
| PL Poland | Ciechanki Krzesimowskie | Lublin |
| TR Türkiye | Alangör | Diyarbakir |
FAQ
Which city is 21010 in?
Gunpowder, Maryland, United States.
What are the coordinates of 21010?
39.3982, -76.2743
Is 21010 used in other countries?
Yes, 10 other countries.
Updated 2026-11-09. Attribution in Data & license.