ZIP Code 21821
Deal Island · Somerset, Maryland
21821 is the ZIP code of Deal Island in Somerset, Maryland, United States.
- ZIP Code
- 21821
- County
- Somerset
- State
- Maryland
- Country
- United States
Place with ZIP code 21821
| Place | County | Location |
|---|---|---|
| Deal Island | Somerset | 38.153, -75.950 |
Near Washington
The nearest major city is Washington, about 125 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 21821?
Deal Island.
Which county and state is 21821 in?
Somerset, Maryland, United States.
What is the nearest major city to 21821?
Washington, about 125 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.