Below is a list of New Gretna NJ zip codes. For your research we have also included New Gretna Area Code, Time Zone, UTC and the local Burlington County FIPS Code. Each New Gretna New Jersey zip code has a center Longitude / Latitude point (the New Gretna center is -74.451202392578 / 39.592399597168). For your convenience we have also indicated if that zip code in New Gretna observes Daylight Savings time.