Below is a list of Neptune City NJ zip codes. For your research we have also included Neptune City Area Code, Time Zone, UTC and the local Monmouth County FIPS Code. Each Neptune City New Jersey zip code has a center Longitude / Latitude point (the Neptune City center is -74.062049865723 / 40.209705352783). For your convenience we have also indicated if that zip code in Neptune City observes Daylight Savings time.