Below is a list of Williamson NY zip codes. For your research we have also included Williamson Area Code, Time Zone, UTC and the local Wayne County FIPS Code. Each Williamson New York zip code has a center Longitude / Latitude point (the Williamson center is -77.186096191406 / 43.223899841309). For your convenience we have also indicated if that zip code in Williamson observes Daylight Savings time.