ZIP Code 21722

21722 is one of Maryland's ZIP codes, delivering to addresses in Clear Spring, Washington County.

City: Clear Spring
County: Washington County
State: Maryland
Prefix: 217xx

Where this code sits

21722 is part of the 217xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Clear Spring.

Clear Spring Maryland ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 21722 delivers to without sharing its boundary.

ZIP codes nearest 21722

The ZIP codes whose reference points sit closest to 21722.
ZIP code	Distance	Delivers to
ZIP code 25419	5.6 mi	Falling Waters, WV
ZIP code 21711	5.7 mi	Big Pool, MD
ZIP code 21795	7.2 mi	Williamsport, MD
ZIP code 21767	8.6 mi	Maugansville, MD
ZIP code 21740	9.3 mi	Hagerstown, MD
ZIP code 21741	10 mi	Hagerstown, MD
ZIP code 21747	10 mi	Hagerstown, MD
ZIP code 21749	10 mi	Hagerstown, 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 21722, plotted from its record coordinates.

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

Scope ZIP code 21722. 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.