ZIP Code 21703
Frederick · Frederick, Maryland
21703 is the ZIP code of Frederick in Frederick, Maryland, United States.
- ZIP Code
- 21703
- County
- Frederick
- State
- Maryland
- Country
- United States
Place with ZIP code 21703
| Place | County | Location |
|---|---|---|
| Frederick | Frederick | 39.365, -77.464 |
Near Washington
The nearest major city is Washington, about 64 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 21703?
Frederick.
Which county and state is 21703 in?
Frederick, Maryland, United States.
What is the nearest major city to 21703?
Washington, about 64 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.