Average GPS coordinates for Etna Postcode location: 43.044, -111.009. (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):
>> Wyoming, 83118 Etna, Lincoln, GPS coordinates: 43.0443,-111.0085