Find the last 4 digits (ZIP+4) for an address in 21071

ZIP 21071, Glyndon, MD is filled in. Just type the street address.

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ZIP Code 21071 – Glyndon, MD

Glyndon, Maryland · Baltimore County · Eastern time

ZIP code21071
CityGlyndon
StateMaryland
CountyBaltimore County
Population404
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area1.5 sq mi
Center (lat, long)39.4838, -76.8104

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21071 (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

21020 Boring · 2.6 mi21136 Reisterstown · 3.6 mi21117 Owings Mills · 4.3 mi21023 Butler · 4.6 mi21048 Finksburg · 6.2 mi21155 Upperco · 6.2 mi21030 Cockeysville · 6.3 mi21133 Randallstown · 7.3 mi

About ZIP 21071

ZIP code 21071 is assigned to Glyndon, Maryland. It lies in Baltimore County. Its Census area covers about 1.5 square miles of land. The closest neighboring ZIP is 21020 (Boring), about 2.6 miles away.

Every address in 21071 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