Grenloch, NJ is a city located in Gloucester County, New Jersey and has a land area of 0.21 square miles (0.54 km2). The water area for the city is 0.00 square miles or 0.00 km2. There is one unique zip code in Grenloch, New Jersey and it is 08032. The area code(s) for Grenloch is 856/609.
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