Find the last 4 digits (ZIP+4) for an address in 21240

ZIP 21240, Baltimore, MD is filled in. Just type the street address.

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ZIP Code 21240 – Baltimore, MD

Baltimore, Maryland · Anne Arundel County · Eastern time

ZIP code21240
CityBaltimore
StateMaryland
CountyAnne Arundel County
Population0
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area4.51 sq mi
Center (lat, long)39.1748, -76.6718

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21240 (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

21077 Harmans · 1.9 mi21061 Glen Burnie · 2.3 mi21090 Linthicum Heights · 2.4 mi21076 Hanover · 2.8 mi21144 Severn · 3.8 mi21227 Halethorpe · 4.5 mi21225 Brooklyn · 4.6 mi21075 Elkridge · 4.6 mi

About ZIP 21240

ZIP code 21240 is assigned to Baltimore, Maryland. It lies in Anne Arundel County. Its Census area covers about 4.51 square miles of land. The closest neighboring ZIP is 21077 (Harmans), about 1.9 miles away.

Every address in 21240 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