Below is a list of Northfield NJ zip codes. For your research we have also included Northfield Area Code, Time Zone, UTC and the local Atlantic County FIPS Code. Each Northfield New Jersey zip code has a center Longitude / Latitude point (the Northfield center is -74.553298950195 / 39.375499725342). For your convenience we have also indicated if that zip code in Northfield observes Daylight Savings time.