ZIP Code 21783
Smithsburg · Washington, Maryland
21783 is the ZIP code of Smithsburg in Washington, Maryland, United States.
- ZIP Code
- 21783
- County
- Washington
- State
- Maryland
- Country
- United States
Place with ZIP code 21783
| Place | County | Location |
|---|---|---|
| Smithsburg | Washington | 39.647, -77.571 |
Near Baltimore
The nearest major city is Baltimore, about 91 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 21783?
Smithsburg.
Which county and state is 21783 in?
Washington, Maryland, United States.
What is the nearest major city to 21783?
Baltimore, about 91 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.