Find the last 4 digits (ZIP+4) for an address in 21047

ZIP 21047, Fallston, MD is filled in. Just type the street address.

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ZIP Code 21047 – Fallston, MD

Fallston, Maryland · Harford County · Eastern time

ZIP code21047
CityFallston
StateMaryland
CountyHarford County
Population13,852
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area22.55 sq mi
Center (lat, long)39.5269, -76.4381

Area codes in this area

410443667

These are the area codes that most often serve ZIP 21047 (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

21013 Baldwin · 3 mi21018 Benson · 3.1 mi21082 Hydes · 3.9 mi21051 Fork · 3.9 mi21014 Bel Air · 4.6 mi21050 Forest Hill · 4.7 mi21087 Kingsville · 5.5 mi21092 Long Green · 5.9 mi

About ZIP 21047

ZIP code 21047 is assigned to Fallston, Maryland. It lies in Harford County. Its Census area covers about 22.55 square miles of land. The closest neighboring ZIP is 21013 (Baldwin), about 3 miles away.

Every address in 21047 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