Below is a list of Monroe Township NJ zip codes. For your research we have also included Monroe Township Area Code, Time Zone, UTC and the local Middlesex County FIPS Code. Each Monroe Township New Jersey zip code has a center Longitude / Latitude point (the Monroe Township center is -74.441703796387 / 40.348999023438). For your convenience we have also indicated if that zip code in Monroe Township observes Daylight Savings time.