ZIP Code 21015

21015 is one of Maryland's ZIP codes, delivering to addresses in Bel Air, Harford County.

City: Bel Air
County: Harford County
State: Maryland
Prefix: 210xx

Where this code sits

21015 is part of the 210xx range, the group of codes handled by one mail processing centre. Bel Air is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Bel Air page.

Bel Air Maryland ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 21015 delivers to without sharing its boundary.

ZIP codes nearest 21015

The ZIP codes whose reference points sit closest to 21015.
ZIP code	Distance	Delivers to
ZIP code 21014	2.3 mi	Bel Air, MD
ZIP code 21009	4.0 mi	Abingdon, MD
ZIP code 21018	4.0 mi	Benson, MD
ZIP code 21028	4.3 mi	Churchville, MD
ZIP code 21017	5.4 mi	Belcamp, MD
ZIP code 21050	5.5 mi	Forest Hill, MD
ZIP code 21047	6.3 mi	Fallston, MD
ZIP code 21130	6.9 mi	Perryman, 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 21015, plotted from its record coordinates.

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

Scope ZIP code 21015. 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.