Below is a list of Nassau NY zip codes. For your research we have also included Nassau Area Code, Time Zone, UTC and the local Rensselaer County FIPS Code. Each Nassau New York zip code has a center Longitude / Latitude point (the Nassau center is -73.609596252441 / 42.516101837158). For your convenience we have also indicated if that zip code in Nassau observes Daylight Savings time.