Find the last 4 digits (ZIP+4) for an address in 21401

ZIP 21401, Annapolis, MD is filled in. Just type the street address.

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ZIP Code 21401 – Annapolis, MD

Annapolis, Maryland · Anne Arundel County · Eastern time

ZIP code21401
CityAnnapolis
StateMaryland
CountyAnne Arundel County
Population38,629
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area19.93 sq mi
Center (lat, long)38.9879, -76.5527

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21401 (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

21062 Glen Burnie · 2.5 mi21123 Pasadena · 2.5 mi21411 Annapolis · 2.5 mi21412 Annapolis · 2.5 mi21405 Annapolis · 2.8 mi21140 Riva · 3.1 mi21404 Annapolis · 3.3 mi21032 Crownsville · 3.9 mi

About ZIP 21401

ZIP code 21401 is assigned to Annapolis, Maryland. It lies in Anne Arundel County. Its Census area covers about 19.93 square miles of land. The closest neighboring ZIP is 21062 (Glen Burnie), about 2.5 miles away.

Every address in 21401 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