Otto Zip Codes - Big Horn County WY

Otto, WY Zip Code Map

Otto, WY is a city located in Big Horn County, Wyoming and has a land area of 49.65 square miles (128.59 km2). The water area for the city is 0.25 square miles or 0.65 km2. There is one unique zip code in Otto, Wyoming and it is 82434. The area code(s) for Otto is 307.

Zip Codes for Otto, WY (1)
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82434 Otto Big Horn

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