Below is a list of Tranquility NJ zip codes. For your research we have also included Tranquility Area Code, Time Zone, UTC and the local Sussex County FIPS Code. Each Tranquility New Jersey zip code has a center Longitude / Latitude point (the Tranquility center is -74.808799743652 / 40.956199645996). For your convenience we have also indicated if that zip code in Tranquility observes Daylight Savings time.