ZIP Code 22101

22101 is one of Virginia's ZIP codes, delivering to addresses in Mc Lean, Fairfax County.

City: Mc Lean
County: Fairfax County
State: Virginia
Prefix: 221xx

Where this code sits

22101 is part of the 221xx range, the group of codes handled by one mail processing centre. Mc Lean is served by 6 ZIP codes in total.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 22101 delivers to without sharing its boundary.

ZIP codes nearest 22101

The ZIP codes whose reference points sit closest to 22101.
ZIP code	Distance	Delivers to
ZIP code 22106	0.5 mi	Mc Lean, VA
ZIP code 22109	0.5 mi	Mc Lean, VA
ZIP code 22107	0.7 mi	Mc Lean, VA
ZIP code 22108	0.7 mi	Mc Lean, VA
ZIP code 22043	2.5 mi	Falls Church, VA
ZIP code 22213	2.6 mi	Arlington, VA
ZIP code 20812	2.9 mi	Glen Echo, MD
ZIP code 20818	2.9 mi	Cabin John, MD

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 22101, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 22101. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.