Below is a list of West Windsor NJ zip codes. For your research we have also included West Windsor Area Code, Time Zone, UTC and the local Mercer County FIPS Code. Each West Windsor New Jersey zip code has a center Longitude / Latitude point (the West Windsor center is -74.625701904297 / 40.292198181152). For your convenience we have also indicated if that zip code in West Windsor observes Daylight Savings time.