In which county is ZIP code 20190 located?

ZIP 20190 is listed under Fairfax County, VA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 20190: Reston, VA

ZIP: 20190

County: Fairfax County

Coordinates: 38.96150, -77.34180

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Reston, VA postal area 20190. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Reston
ZIP Code	20190
County	Fairfax County
State	VA
Latitude / Longitude	38.96150, -77.34180
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 20190 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 20190 is approximately 38.96150 (latitude) and -77.34180 (longitude). This location sits within Fairfax County, contributing to regional planning across VA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 20190 for mail delivery and general location reference in Fairfax County, VA.

This ZIP may extend beyond the city core into nearby communities within Fairfax County.

Related ZIP Codes (Nearby)

Explore other postal codes near Reston within VA.

Frequently Asked Questions

What is the primary city for ZIP code 20190?

The primary city for this ZIP code is Reston, located in VA.

In which county is 20190 located?

ZIP code 20190 is situated within Fairfax County, VA.

What are the coordinates for 20190?

The approximate center point is 38.96150 (Latitude) and -77.34180 (Longitude).

Is ZIP code 20190 active?

This page lists ZIP 20190 as Listed based on the latest refresh date shown above.

Does ZIP 20190 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08