ZIP Code 21536

21536 is one of Maryland's ZIP codes, delivering to addresses in Grantsville, Garrett County.

City: Grantsville
County: Garrett County
State: Maryland
Prefix: 215xx

Where this code sits

21536 is part of the 215xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Grantsville.

Grantsville Maryland ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 21536 delivers to without sharing its boundary.

ZIP codes nearest 21536

The ZIP codes whose reference points sit closest to 21536.
ZIP code	Distance	Delivers to
ZIP code 15562	6.4 mi	Springs, PA
ZIP code 21522	6.4 mi	Bittinger, MD
ZIP code 15565	7.0 mi	West Salisbury, PA
ZIP code 15558	7.1 mi	Salisbury, PA
ZIP code 15532	8.4 mi	Boynton, PA
ZIP code 21539	8.9 mi	Lonaconing, MD
ZIP code 21543	9.4 mi	Midlothian, MD
ZIP code 21521	9.9 mi	Barton, 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 21536, plotted from its record coordinates.

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

Scope ZIP code 21536. 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.