Find the last 4 digits (ZIP+4) for an address in 21227

ZIP 21227, Halethorpe, MD is filled in. Just type the street address.

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ZIP Code 21227 – Halethorpe, MD

Halethorpe, Maryland · Baltimore County · Eastern time

ZIP code21227
CityHalethorpe
StateMaryland
CountyBaltimore CountyBaltimore city
Population34,907
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area11.33 sq mi
Center (lat, long)39.2400, -76.6795

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21227 (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

21250 Baltimore · 2 mi21090 Linthicum Heights · 2.2 mi21229 Baltimore · 3.1 mi21223 Baltimore · 3.3 mi21230 Baltimore · 3.4 mi21225 Brooklyn · 3.5 mi21228 Catonsville · 4.3 mi21203 Baltimore · 4.4 mi

About ZIP 21227

ZIP code 21227 is assigned to Halethorpe, Maryland. It crosses 2 counties; most of its land is in Baltimore County. Its Census area covers about 11.33 square miles of land. The closest neighboring ZIP is 21250 (Baltimore), about 2 miles away.

Every address in 21227 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