Average GPS coordinates for Mayville Postcode location: 42.241, -79.496. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Mayville on map:

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Listing cities & postcodes (1):
>> New York, 14757 Mayville, Chautauqua, GPS coordinates: 42.2409,-79.4963