Middlesex Zip Codes

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Middlesex is a county of New Jersey. It has a land area of 310 square miles. The population of Middlesex was 809,858 in 2010 with a positive growth rate of 8.0% since the year 2000.

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• Avenel, Carteret, Colonia, Cranbury, Dayton, Dunellen, E Brunswick, E Windsor, East Brunswick, East Windsor, Edison, Fords, Green Brook, Helmetta, Highland Park, Hopelawn, Iselin, Jamesburg, Johnson & Johnson, Keasbey, Kendall Park, Kilmer Gmf, Laurence Harbor, Laurence Hbr, Menlo Park, Merrill Lynch, Metuchen, Middlesex, Milltown, Monmouth Jct, Monmouth Junction, Monroe, Monroe Township, Monroe Twp, Morgan, N Brunswick, New Brunswick, North Brunswick, Old Bridge, Parlin, Perth Amboy, Piscataway, Plainsboro, Port Reading, S Plainfield, Sayreville, Sewaren, South Amboy, South Brunswick, South Plainfield, South River, Spotswood, Wachovia, West Carteret, Woodbridge
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