ZIP Code 21504

21504 is one of Maryland's ZIP codes, delivering to addresses in Cumberland, Allegany County.

City: Cumberland
County: Allegany County
State: Maryland
Prefix: 215xx

Where this code sits

21504 is part of the 215xx range, the group of codes handled by one mail processing centre. Cumberland is served by 5 ZIP codes in total; the full list, with the county each falls in, is on the Cumberland page.

Cumberland Maryland ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 21504 delivers to without sharing its boundary.

ZIP codes nearest 21504

The ZIP codes whose reference points sit closest to 21504.
ZIP code	Distance	Delivers to
ZIP code 21560	1.7 mi	Spring Gap, MD
ZIP code 21555	4.6 mi	Oldtown, MD
ZIP code 26767	5.0 mi	Wiley Ford, WV
ZIP code 26753	5.4 mi	Ridgeley, WV
ZIP code 21501	6.3 mi	Cumberland, MD
ZIP code 21503	6.3 mi	Cumberland, MD
ZIP code 26722	6.3 mi	Green Spring, WV
ZIP code 26719	7.3 mi	Fort Ashby, WV

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 21504, plotted from its record coordinates.

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

Scope ZIP code 21504. 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.