Below is a list of Salem County NJ zip codes. For your research we have also included Salem County Area Code, Time Zone, UTC and the local County FIPS Code. Each Salem County New Jersey zip code has a center Longitude / Latitude point (the Salem County center is -75.357498168945 / 39.609001159668). For your convenience we have also indicated if that zip code in Salem County observes Daylight Savings time.