City
Gunpowder, MD ZIP codes
1 ZIP, including 21010 as primary city.
Map of Gunpowder
ZIP code map
ZIP share of this city
Population share
No overlap percents for this place — ZIP codes are listed from the city or county field.
ZIP codes in Gunpowder
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 21010 | Gunpowder | Harford County | 216 | $94,097 |