Below is a list of Portville NY zip codes. For your research we have also included Portville Area Code, Time Zone, UTC and the local Cattaraugus County FIPS Code. Each Portville New York zip code has a center Longitude / Latitude point (the Portville center is -78.338500976562 / 42.035999298096). For your convenience we have also indicated if that zip code in Portville observes Daylight Savings time.