Chelsea is a city in Suffolk County, Massachusetts, United States, directly across the Mystic River from the city of Boston. As of 2013, Chelsea had an estimated population of 36,828. It is also the second most densely populated city in Massachusetts behind Somerville. With a total area of just 2.21 square miles, Chelsea is the smallest city in Massachusetts in terms of total area.
Phone Area Codes in Chelsea, MA: 617,857

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• Child Care
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• Supplemental Colleges
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• Solid Waste Landfill
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• Assisted Care
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• Walmart