In which county is ZIP code 22066 located?

ZIP 22066 is listed under Fairfax County, VA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 22066: Great Falls, VA

ZIP: 22066

County: Fairfax County

Coordinates: 39.00390, -77.30830

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Great Falls, VA postal area 22066. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Great Falls
ZIP Code	22066
County	Fairfax County
State	VA
Latitude / Longitude	39.00390, -77.30830
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 22066 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 22066 is commonly represented around 39.00390, -77.30830. These coordinates help identify the general area within Fairfax County, VA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 22066 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 Great Falls within VA.

Frequently Asked Questions

What is the primary city for ZIP code 22066?

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

In which county is 22066 located?

ZIP code 22066 is situated within Fairfax County, VA.

What are the coordinates for 22066?

The approximate center point is 39.00390 (Latitude) and -77.30830 (Longitude).

Is ZIP code 22066 active?

This page lists ZIP 22066 as Listed based on the latest refresh date shown above.

Does ZIP 22066 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