Ridgefield, NJ is a city located in Bergen County, New Jersey and has a land area of 2.54 square miles (6.58 km2). The water area for the city is 0.33 square miles or 0.85 km2. There is one unique zip code in Ridgefield, New Jersey and it is 07657. The area code(s) for Ridgefield is 201.
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