Chestnut Hill, MA is a city located in Middlesex County, Massachusetts and has a land area of 4.91 square miles (12.72 km2). The water area for the city is 0.18 square miles or 0.47 km2. There is one unique zip code in Chestnut Hill, Massachusetts and it is 02467. The area code(s) for Chestnut Hill is 857/617.
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