ZIP Code 20877
Gaithersburg · Montgomery, Maryland
20877 is the ZIP code of Gaithersburg in Montgomery, Maryland, United States.
- ZIP Code
- 20877
- County
- Montgomery
- State
- Maryland
- Country
- United States
Place with ZIP code 20877
| Place | County | Location |
|---|---|---|
| Gaithersburg | Montgomery | 39.142, -77.189 |
Near Washington
The nearest major city is Washington, about 30 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 20877?
Gaithersburg.
Which county and state is 20877 in?
Montgomery, Maryland, United States.
What is the nearest major city to 20877?
Washington, about 30 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.