Below is a list of Great River NY zip codes. For your research we have also included Great River Area Code, Time Zone, UTC and the local Suffolk County FIPS Code. Each Great River New York zip code has a center Longitude / Latitude point (the Great River center is -73.156303405762 / 40.718101501465). For your convenience we have also indicated if that zip code in Great River observes Daylight Savings time.