ZIP Code 20171
Herndon · Fairfax, Virginia
20171 is the ZIP code of Herndon in Fairfax, Virginia, United States.
- ZIP Code
- 20171
- County
- Fairfax
- State
- Virginia
- Country
- United States
Place with ZIP code 20171
| Place | County | Location |
|---|---|---|
| Herndon | Fairfax | 38.925, -77.393 |
Near Washington
The nearest major city is Washington, about 31 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 20171?
Herndon.
Which county and state is 20171 in?
Fairfax, Virginia, United States.
What is the nearest major city to 20171?
Washington, about 31 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.