ZIP Code 21001
Aberdeen · Harford, Maryland
21001 is the ZIP code of Aberdeen in Harford, Maryland, United States.
- ZIP Code
- 21001
- County
- Harford
- State
- Maryland
- Country
- United States
Place with ZIP code 21001
| Place | County | Location |
|---|---|---|
| Aberdeen | Harford | 39.511, -76.180 |
Near Baltimore
The nearest major city is Baltimore, about 44 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 21001?
Aberdeen.
Which county and state is 21001 in?
Harford, Maryland, United States.
What is the nearest major city to 21001?
Baltimore, about 44 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.