Owatonna, MN is a city located in Steele County, Minnesota and has a land area of 203.44 square miles (526.91 km2). The water area for the city is 0.67 square miles or 1.74 km2. There is one unique zip code in Owatonna, Minnesota and it is 55060. The area code(s) for Owatonna is 507.
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