Find the last 4 digits (ZIP+4) for an address in 21405

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ZIP Code 21405 – Annapolis, MD

Annapolis, Maryland · Anne Arundel County · Eastern time

ZIP code21405
CityAnnapolis
StateMaryland
CountyAnne Arundel County
Population495
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area1.02 sq mi
Center (lat, long)39.0281, -76.5480

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21405 (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

21401 Annapolis · 2.8 mi21032 Crownsville · 3 mi21012 Arnold · 3.1 mi21146 Severna Park · 3.6 mi21062 Glen Burnie · 4.5 mi21123 Pasadena · 4.5 mi21411 Annapolis · 4.5 mi21412 Annapolis · 4.5 mi

About ZIP 21405

ZIP code 21405 is assigned to Annapolis, Maryland. It lies in Anne Arundel County. Its Census area covers about 1.02 square miles of land. The closest neighboring ZIP is 21401 (Annapolis), about 2.8 miles away.

Every address in 21405 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