Find the last 4 digits (ZIP+4) for an address in 21403

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ZIP Code 21403 – Annapolis, MD

Annapolis, Maryland · Anne Arundel County · Eastern time

ZIP code21403
CityAnnapolis
StateMaryland
CountyAnne Arundel County
Population32,681
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area9.27 sq mi
Center (lat, long)38.9421, -76.4896

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21403 (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

21404 Annapolis · 2.5 mi21037 Edgewater · 3.3 mi21402 Annapolis · 3.4 mi21106 Mayo · 3.9 mi21401 Annapolis · 4.6 mi21140 Riva · 5.2 mi21409 Annapolis · 5.8 mi21062 Glen Burnie · 6.1 mi

About ZIP 21403

ZIP code 21403 is assigned to Annapolis, Maryland. It lies in Anne Arundel County. Its Census area covers about 9.27 square miles of land. The closest neighboring ZIP is 21404 (Annapolis), about 2.5 miles away.

Every address in 21403 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