Zip Code 21010 - Gunpowder, Harford, MD, United States
Zip Code 21010 Data
| Zip Code | 21010 |
|---|---|
| Area 1 (City, County) | Gunpowder, Harford |
| Area 2 (City, County) | Aberdeen Proving Ground, Harford |
| Area 3 (City, County) | Aber Prov Grd, Harford |
| State | Maryland |
| State FIPS | 24 |
| Latitude | 39.367349 |
| Longitude | -76.295893 |
| Timezone | 5 |
| Daylight | Yes |
| Country | United States |