Below is a list of Sea Isle City NJ zip codes. For your research we have also included Sea Isle City Area Code, Time Zone, UTC and the local Cape May County FIPS Code. Each Sea Isle City New Jersey zip code has a center Longitude / Latitude point (the Sea Isle City center is -74.694999694824 / 39.150798797607). For your convenience we have also indicated if that zip code in Sea Isle City observes Daylight Savings time.