Howell, NJ is a city located in Monmouth County, New Jersey and has a land area of 31.78 square miles (82.31 km2). The water area for the city is 0.70 square miles or 1.81 km2. There is one unique zip code in Howell, New Jersey and it is 07731. The area code(s) for Howell is 732/848.
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