Average GPS coordinates for Jamestown Postcode location: 42.215, -79.34. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Jamestown on map:

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Listing cities & postcodes (4):
>> New York, 14701 Jamestown, Chautauqua, GPS coordinates: 42.0928,-79.244
>> New York, 14702 Jamestown, Chautauqua, GPS coordinates: 42.0817,-79.2949
>> New York, 14703 Jamestown, Chautauqua, GPS coordinates: 42.3425,-79.4109
>> New York, 14704 Jamestown, Chautauqua, GPS coordinates: 42.3425,-79.4109