Find the last 4 digits (ZIP+4) for an address in 21023

ZIP 21023, Butler, MD is filled in. Just type the street address.

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ZIP Code 21023 – Butler, MD

Butler, Maryland · Baltimore County · Eastern time

ZIP code21023
CityButler
StateMaryland
CountyBaltimore County
Population66
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area1.07 sq mi
Center (lat, long)39.5232, -76.7402

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21023 (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

21030 Cockeysville · 2.3 mi21020 Boring · 3.4 mi21152 Sparks Glencoe · 3.6 mi21071 Glyndon · 4.6 mi21155 Upperco · 4.9 mi21031 Hunt Valley · 5 mi21065 Hunt Valley · 5.2 mi21117 Owings Mills · 6.9 mi

About ZIP 21023

ZIP code 21023 is assigned to Butler, Maryland. It lies in Baltimore County. Its Census area covers about 1.07 square miles of land. The closest neighboring ZIP is 21030 (Cockeysville), about 2.3 miles away.

Every address in 21023 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