Porterfield, WI is a city located in Marinette County, Wisconsin and has a land area of 72.23 square miles (187.07 km2). The water area for the city is 0.42 square miles or 1.09 km2. There is one unique zip code in Porterfield, Wisconsin and it is 54159. The area code(s) for Porterfield is 715.
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