Chelsea, Massachusetts

1 ZIP code · Eastern time

ZIP codes (largest first)

02150 · 39,908
Population39,908
StateMassachusetts
CountySuffolk County
Time zoneEastern
Land area2.22 sq mi

Area codes in this area

339781

These are the area codes that most often serve Chelsea (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 Chelsea

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