Gunpowder Zip Codes - Harford County MD

Gunpowder, MD Zip Code Map

Gunpowder, MD is a city located in Harford County, Maryland and has a land area of 7.25 square miles (18.78 km2). The water area for the city is 0.05 square miles or 0.13 km2. There is one unique zip code in Gunpowder, Maryland and it is 21010. The area code(s) for Gunpowder is 667.

Zip Codes for Gunpowder, MD (1)
Zip Code
 City County
Zip Code Map
21010 Gunpowder Harford

5-Digit ZIP Code Data

Zip Code Lookups


Database Sample Data

ZIP Code Database
Sample Data
Bronze Edition Silver Edition Gold Edition
Microsoft Access (.MDB)
Microsoft Excel (.XLS)
Comma Delimited ASCII (.CSV)