ZIP Code 20879
Gaithersburg · Montgomery, Maryland
20879 is the ZIP code of Gaithersburg in Montgomery, Maryland, United States.
- ZIP Code
- 20879
- County
- Montgomery
- State
- Maryland
- Country
- United States
Place with ZIP code 20879
| Place | County | Location |
|---|---|---|
| Gaithersburg | Montgomery | 39.173, -77.186 |
Near Washington
The nearest major city is Washington, about 33 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 20879?
Gaithersburg.
Which county and state is 20879 in?
Montgomery, Maryland, United States.
What is the nearest major city to 20879?
Washington, about 33 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.