Average GPS coordinates for Etna Postcode location: 42.484, -76.389. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Etna on map:

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Listing cities & postcodes (1):
>> New York, 13062 Etna, Tompkins, GPS coordinates: 42.4844,-76.389