Sobieski, WI is a city located in Oconto County, Wisconsin and has a land area of 24.95 square miles (64.62 km2). The water area for the city is 0.02 square miles or 0.05 km2. There is one unique zip code in Sobieski, Wisconsin and it is 54171. The area code(s) for Sobieski is 920.
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