Below is a list of East Islip NY zip codes. For your research we have also included East Islip Area Code, Time Zone, UTC and the local Suffolk County FIPS Code. Each East Islip New York zip code has a center Longitude / Latitude point (the East Islip center is -73.189102172852 / 40.727298736572). For your convenience we have also indicated if that zip code in East Islip observes Daylight Savings time.