Newtonville, NJ is a city located in Atlantic County, New Jersey and has a land area of 2.44 square miles (6.32 km2). The water area for the city is 0.01 square miles or 0.03 km2. There is one unique zip code in Newtonville, New Jersey and it is 08346. The area code(s) for Newtonville is 609/640.
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