Below is a list of Frenchtown NJ zip codes. For your research we have also included Frenchtown Area Code, Time Zone, UTC and the local Hunterdon County FIPS Code. Each Frenchtown New Jersey zip code has a center Longitude / Latitude point (the Frenchtown center is -75.060203552246 / 40.527099609375). For your convenience we have also indicated if that zip code in Frenchtown observes Daylight Savings time.