Find the last 4 digits (ZIP+4) for an address in 21031

ZIP 21031, Hunt Valley, MD is filled in. Just type the street address.

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ZIP Code 21031 – Hunt Valley, MD

Hunt Valley, Maryland · Baltimore County · Eastern time

ZIP code21031
CityHunt Valley
StateMaryland
CountyBaltimore County
Population26
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.93 sq mi
Center (lat, long)39.4874, -76.6579

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21031 (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 · 0.2 mi21030 Cockeysville · 2.9 mi21093 Lutherville Timonium · 3.5 mi21131 Phoenix · 3.8 mi21094 Lutherville Timonium · 4.8 mi21152 Sparks Glencoe · 4.9 mi21023 Butler · 5 mi21153 Stevenson · 5.3 mi

About ZIP 21031

ZIP code 21031 is assigned to Hunt Valley, Maryland. It lies in Baltimore County. Its Census area covers about 0.93 square miles of land. The closest neighboring ZIP is 21065 (Hunt Valley), about 0.2 miles away.

Every address in 21031 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