ZIP Code 21005
Aberdeen Proving Ground · Harford, Maryland
21005 is the ZIP code of Aberdeen Proving Ground in Harford, Maryland, United States.
- ZIP Code
- 21005
- County
- Harford
- State
- Maryland
- Country
- United States
Place with ZIP code 21005
| Place | County | Location |
|---|---|---|
| Aberdeen Proving Ground | Harford | 39.477, -76.121 |
Near Baltimore
The nearest major city is Baltimore, about 47 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 21005?
Aberdeen Proving Ground.
Which county and state is 21005 in?
Harford, Maryland, United States.
What is the nearest major city to 21005?
Baltimore, about 47 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.