Average GPS coordinates for Portville Postcode location: 42.027, -78.331. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Portville on map:

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Listing cities & postcodes (1):
>> New York, 14770 Portville, Cattaraugus, GPS coordinates: 42.0273,-78.3314