Below is a list of New Lenox IL zip codes. For your research we have also included New Lenox Area Code, Time Zone, UTC and the local Will County FIPS Code. Each New Lenox Illinois zip code has a center Longitude / Latitude point (the New Lenox center is -87.97989654541 / 41.517700195312). For your convenience we have also indicated if that zip code in New Lenox observes Daylight Savings time.