Portville, NY is a city located in Cattaraugus County, New York and has a land area of 29.19 square miles (75.60 km2). The water area for the city is 0.28 square miles or 0.73 km2. There is one unique zip code in Portville, New York and it is 14770. The area code(s) for Portville is 585/716.
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