Below is a list of Wallkill NY zip codes. For your research we have also included Wallkill Area Code, Time Zone, UTC and the local Ulster County FIPS Code. Each Wallkill New York zip code has a center Longitude / Latitude point (the Wallkill center is -74.163497924805 / 41.607799530029). For your convenience we have also indicated if that zip code in Wallkill observes Daylight Savings time.