ZIP Code 20774
Upper Marlboro · Prince George's, Maryland
20774 is the ZIP code of Upper Marlboro in Prince George's, Maryland, United States.
- ZIP Code
- 20774
- County
- Prince George's
- State
- Maryland
- Country
- United States
Place with ZIP code 20774
| Place | County | Location |
|---|---|---|
| Upper Marlboro | Prince George's | 38.868, -76.816 |
Near Washington
The nearest major city is Washington, about 19 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 20774?
Upper Marlboro.
Which county and state is 20774 in?
Prince George's, Maryland, United States.
What is the nearest major city to 20774?
Washington, about 19 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.