Below is a list of Piscataway NJ zip codes. For your research we have also included Piscataway Area Code, Time Zone, UTC and the local Middlesex County FIPS Code. Each Piscataway New Jersey zip code has a center Longitude / Latitude point (the Piscataway center is -74.398399353027 / 40.500499725342). For your convenience we have also indicated if that zip code in Piscataway observes Daylight Savings time.