Hawthorne, NJ is a city located in Passaic County, New Jersey and has a land area of 3.32 square miles (8.60 km2). The water area for the city is 0.03 square miles or 0.08 km2. There are 2 total unique zip codes in Hawthorne, New Jersey. The area code(s) for Hawthorne is 973/862.
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