In which county is ZIP code 22109 located?

ZIP 22109 is listed under Fairfax County, VA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 22109: Mc Lean, VA

ZIP: 22109

County: Fairfax County

Coordinates: 38.93350, -77.17970

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 22109, serving Mc Lean in VA. It lies in Fairfax County and supports delivery, planning, and address verification.

Primary City	Mc Lean
ZIP Code	22109
County	Fairfax County
State	VA
Latitude / Longitude	38.93350, -77.17970
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 22109 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 22109 are listed as 38.93350 / -77.17970, useful for GPS and service checks in and around Mc Lean, VA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 22109 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 Mc Lean within VA.

Frequently Asked Questions

What is the primary city for ZIP code 22109?

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

In which county is 22109 located?

ZIP code 22109 is situated within Fairfax County, VA.

What are the coordinates for 22109?

The approximate center point is 38.93350 (Latitude) and -77.17970 (Longitude).

Is ZIP code 22109 active?

This page lists ZIP 22109 as Listed based on the latest refresh date shown above.

Does ZIP 22109 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