Frenchtown, NJ is a city located in Hunterdon County, New Jersey and has a land area of 28.96 square miles (75.01 km2). The water area for the city is 0.34 square miles or 0.88 km2. There is one unique zip code in Frenchtown, New Jersey and it is 08825. The area code(s) for Frenchtown is 908.
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