ZIP Code 21160

21160 is one of Maryland's ZIP codes, delivering to addresses in Whiteford, Harford County.

City: Whiteford
County: Harford County
State: Maryland
Prefix: 211xx

Where this code sits

21160 is part of the 211xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Whiteford.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 21160 delivers to without sharing its boundary.

ZIP codes nearest 21160

The ZIP codes whose reference points sit closest to 21160.
ZIP code	Distance	Delivers to
ZIP code 17314	3.4 mi	Delta, PA
ZIP code 21154	4.6 mi	Street, MD
ZIP code 21132	5.1 mi	Pylesville, MD
ZIP code 21034	6.0 mi	Darlington, MD
ZIP code 17321	7.2 mi	Fawn Grove, PA
ZIP code 17518	8.4 mi	Drumore, PA
ZIP code 17563	8.5 mi	Peach Bottom, PA
ZIP code 21918	8.7 mi	Conowingo, 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 21160, plotted from its record coordinates.

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

Scope ZIP code 21160. 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.