Below is a list of Hewitt NJ zip codes. For your research we have also included Hewitt Area Code, Time Zone, UTC and the local Passaic County FIPS Code. Each Hewitt New Jersey zip code has a center Longitude / Latitude point (the Hewitt center is -74.310897827148 / 41.141799926758). For your convenience we have also indicated if that zip code in Hewitt observes Daylight Savings time.