Find the last 4 digits (ZIP+4) for an address in 21131

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ZIP Code 21131 – Phoenix, MD

Phoenix, Maryland · Baltimore County · Eastern time

ZIP code21131
CityPhoenix
StateMaryland
CountyBaltimore County
Population7,141
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area21.03 sq mi
Center (lat, long)39.5045, -76.5892

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21131 (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

21065 Hunt Valley · 3.6 mi21031 Hunt Valley · 3.8 mi21092 Long Green · 4.1 mi21094 Lutherville Timonium · 4.5 mi21111 Monkton · 4.9 mi21013 Baldwin · 5.3 mi21093 Lutherville Timonium · 5.4 mi21057 Glen Arm · 5.6 mi

About ZIP 21131

ZIP code 21131 is assigned to Phoenix, Maryland. It lies in Baltimore County. Its Census area covers about 21.03 square miles of land. The closest neighboring ZIP is 21065 (Hunt Valley), about 3.6 miles away.

Every address in 21131 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