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21010 Postal Code - Harford, MD, United States
21010 Zip Code Details
| Postal 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 Abbr. | MD |
| State FIPS | 24 |
| County FIPS | 025 |
| Timezone | 5 |
| DayLight Savings | Yes |
| Latitude | 39.367349 |
| Longitude | -76.295893 |
| Area | HARFORD |
| Country | United States |
21010 Zip Code - Goole Map
Popular Postal Codes in Harford County, Maryland State
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