Below is a list of Rio Grande NJ zip codes. For your research we have also included Rio Grande Area Code, Time Zone, UTC and the local Cape May County FIPS Code. Each Rio Grande New Jersey zip code has a center Longitude / Latitude point (the Rio Grande center is -74.873497009277 / 39.017101287842). For your convenience we have also indicated if that zip code in Rio Grande observes Daylight Savings time.