Find the last 4 digits (ZIP+4) for an address in 21001

ZIP 21001, Aberdeen, MD is filled in. Just type the street address.

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ZIP Code 21001 – Aberdeen, MD

Aberdeen, Maryland · Harford County · Eastern time

ZIP code21001
CityAberdeen
StateMaryland
CountyHarford County
Population27,168
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area29.96 sq mi
Center (lat, long)39.5045, -76.2010

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21001 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

21130 Perryman · 2.1 mi21017 Belcamp · 2.7 mi21078 Havre De Grace · 4.9 mi21028 Churchville · 5 mi21009 Abingdon · 5 mi21005 Aberdeen Proving Ground · 5.3 mi21015 Bel Air · 5.6 mi21040 Edgewood · 6.8 mi

About ZIP 21001

ZIP code 21001 is assigned to Aberdeen, Maryland. It lies in Harford County. Its Census area covers about 29.96 square miles of land. The closest neighboring ZIP is 21130 (Perryman), about 2.1 miles away.

Every address in 21001 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources