ZIP Code 20170
Herndon · Fairfax, Virginia
20170 is the ZIP code of Herndon in Fairfax, Virginia, United States.
- ZIP Code
- 20170
- County
- Fairfax
- State
- Virginia
- Country
- United States
Place with ZIP code 20170
| Place | County | Location |
|---|---|---|
| Herndon | Fairfax | 38.984, -77.368 |
Near Washington
The nearest major city is Washington, about 30 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 20170?
Herndon.
Which county and state is 20170 in?
Fairfax, Virginia, United States.
What is the nearest major city to 20170?
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.