Below is a list of Avenel NJ zip codes. For your research we have also included Avenel Area Code, Time Zone, UTC and the local Middlesex County FIPS Code. Each Avenel New Jersey zip code has a center Longitude / Latitude point (the Avenel center is -74.266799926758 / 40.586101531982). For your convenience we have also indicated if that zip code in Avenel observes Daylight Savings time.