Cockeysville, Maryland

1 ZIP code · Eastern time

ZIP codes (largest first)

21030 · 25,827
Population23,962
StateMaryland
CountyBaltimore County
Time zoneEastern
Land area11.97 sq mi

Area codes in this area

410443667

These are the area codes that most often serve Cockeysville (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Find the ZIP+4 for an address in Cockeysville

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Population: U.S. Census Bureau, ACS 5-year estimates, 2024.