Marmora, NJ is a city located in Cape May County, New Jersey and has a land area of 12.95 square miles (33.54 km2). The water area for the city is 2.77 square miles or 7.17 km2. There is one unique zip code in Marmora, New Jersey and it is 08223. The area code(s) for Marmora is 609/640.
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