Below is a list of Yaphank NY zip codes. For your research we have also included Yaphank Area Code, Time Zone, UTC and the local Suffolk County FIPS Code. Each Yaphank New York zip code has a center Longitude / Latitude point (the Yaphank center is -72.918502807617 / 40.83219909668). For your convenience we have also indicated if that zip code in Yaphank observes Daylight Savings time.