Below is a list of Great Valley NY zip codes. For your research we have also included Great Valley Area Code, Time Zone, UTC and the local Cattaraugus County FIPS Code. Each Great Valley New York zip code has a center Longitude / Latitude point (the Great Valley center is -78.636497497559 / 42.214401245117). For your convenience we have also indicated if that zip code in Great Valley observes Daylight Savings time.