Yellowstone National Park, WY is a city located in Park County, Wyoming and has a land area of 2,969.91 square miles (5.18 km2). The water area for the city is 160.79 square miles or 416.44 km2. There is one unique zip code in Yellowstone National Park, Wyoming and it is 82190. The area code(s) for Yellowstone National Park is 307.
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