Waukesha, WI is a city located in Waukesha County, Wisconsin and has a land area of 87.23 square miles (225.92 km2). The water area for the city is 1.45 square miles or 3.76 km2. There are 4 total unique zip codes in Waukesha, Wisconsin. The area code(s) for Waukesha is 262/414.
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