Cedar Knolls, NJ is a city located in Morris County, New Jersey and has a land area of 2.14 square miles (5.54 km2). The water area for the city is 0.03 square miles or 0.08 km2. There is one unique zip code in Cedar Knolls, New Jersey and it is 07927. The area code(s) for Cedar Knolls is 908/973.
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