Average GPS coordinates for Downey Postcode location: 42.418, -112.109. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Downey on map:

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Listing cities & postcodes (1):
>> Idaho, 83234 Downey, Bannock, GPS coordinates: 42.4181,-112.109