Middlesex County, MA Zip Codes
150 zip codes across 113 cities in Middlesex County, MA
About Middlesex County
Middlesex County, Massachusetts (MA) contains 150 unique zip codes spanning 113 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Middlesex County.
Cities in Middlesex County
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All Zip Codes in Middlesex County, MA
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Frequently Asked Questions
How many zip codes are in Middlesex County, MA?
Middlesex County, MA has 150 zip codes across 113 cities.
What cities are in Middlesex County?
Cities in Middlesex County include Acton, Arlington, Ashby, Ashland, Auburndale, Avenel, Ayer, Bedford, Belmont, Billerica, Burlington, Cambridge, Carlisle, Carteret, Centerbrook, Chelsea, Chester, Chestnut Hill, Church View, Clinton, Colonia, Concord, Cromwell, Dayton, Deep River, Deltaville, Dracut, Dunellen, Dunstable, Durham, East Brunswick, East Haddam, East Hampton, Edison, Essex, Fords, Framingham, Groton, Haddam, Hartfield, Helmetta, Higganum, Highland Park, Holliston, Hopkinton, Hudson, Iselin, Ivoryton, Jamesburg, Keasbey, Kendall Park, Killingworth, Lexington, Lincoln, Littleton, Lowell, Malden, Marlborough, Maynard, Medford, Melrose, Metuchen, Middlefield, Middletown, Monmouth Junction, Moodus, Newton Center, Newton Highlands, Newton Lower Falls, Newtonville, North Chelmsford, North Reading, Old Bridge, Old Saybrook, Parlin, Pepperell, Perth Amboy, Piscataway, Plainsboro, Port Reading, Portland, Reading, Saluda, Sayreville, Sewaren, Sherborn, Shirley, Somerville, South Amboy, South Plainfield, South River, Stoneham, Stow, Sudbury, Tewksbury, Topping, Townsend, Tyngsboro, Urbanna, Waban, Wakefield, Waltham, Wayland, West Newton, Westbrook, Westford, Weston, Wilmington, Winchester, Woburn, Woodbridge, Zcta 077hh, Zcta 089hh.
What state is Middlesex County in?
Middlesex County is located in Massachusetts (MA).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.