Find the last 4 digits (ZIP+4) for an address in 21221

ZIP 21221, Essex, MD is filled in. Just type the street address.

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ZIP Code 21221 – Essex, MD

Essex, Maryland · Baltimore County · Eastern time

ZIP code21221
CityEssex
StateMaryland
CountyBaltimore County
Population43,487
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area15.03 sq mi
Center (lat, long)39.2921, -76.4370

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21221 (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

21222 Dundalk · 3.7 mi21219 Sparrows Point · 4.3 mi21220 Middle River · 4.3 mi21237 Rosedale · 4.6 mi21224 Baltimore · 5.7 mi21052 Fort Howard · 6 mi21027 Chase · 6 mi21206 Baltimore · 6.3 mi

About ZIP 21221

ZIP code 21221 is assigned to Essex, Maryland. It lies in Baltimore County. Its Census area covers about 15.03 square miles of land. The closest neighboring ZIP is 21222 (Dundalk), about 3.7 miles away.

Every address in 21221 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