ZIP Code 21225

21225 is one of Maryland's ZIP codes, delivering to addresses in Brooklyn, Anne Arundel County.

City: Brooklyn
County: Anne Arundel County
State: Maryland
Prefix: 212xx

Where this code sits

21225 is part of the 212xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Brooklyn.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 21225 delivers to without sharing its boundary.

ZIP codes nearest 21225

The ZIP codes whose reference points sit closest to 21225.
ZIP code	Distance	Delivers to
ZIP code 21230	2.7 mi	Baltimore, MD
ZIP code 21090	3.1 mi	Linthicum Heights, MD
ZIP code 21226	3.2 mi	Curtis Bay, MD
ZIP code 21203	4.1 mi	Baltimore, MD
ZIP code 21233	4.1 mi	Baltimore, MD
ZIP code 21235	4.1 mi	Baltimore, MD
ZIP code 21241	4.1 mi	Baltimore, MD
ZIP code 21263	4.1 mi	Baltimore, 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 21225, plotted from its record coordinates.

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

Scope ZIP code 21225. 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.