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Chelsea

City in Massachusetts
Chelsea is a city in Suffolk County, Massachusetts, United States, directly across the Mystic River from Boston. At the 2020 census, Chelsea had a population of 40,787. With a total area of just 2.46 square miles, Chelsea is the smallest city in... Wikipedia
ZIP Code: 02150
Area: 2.467 mi²
Population: 38,889 (2021)
Area code: 617/857
Elevation: 10 ft (3 m)
Incorporated (city): 1857
Incorporated (town): 1739