Below is a list of Leonia NJ zip codes. For your research we have also included Leonia Area Code, Time Zone, UTC and the local Bergen County FIPS Code. Each Leonia New Jersey zip code has a center Longitude / Latitude point (the Leonia center is -73.992301940918 / 40.864200592041). For your convenience we have also indicated if that zip code in Leonia observes Daylight Savings time.