ZIP Code 20850
Rockville · Montgomery, Maryland
20850 is the ZIP code of Rockville in Montgomery, Maryland, United States.
- ZIP Code
- 20850
- County
- Montgomery
- State
- Maryland
- Country
- United States
Place with ZIP code 20850
| Place | County | Location |
|---|---|---|
| Rockville | Montgomery | 39.087, -77.168 |
Near Washington
The nearest major city is Washington, about 24 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 20850?
Rockville.
Which county and state is 20850 in?
Montgomery, Maryland, United States.
What is the nearest major city to 20850?
Washington, about 24 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.