Wisconsin is a midwestern U.S. state situated in the Upper Midwest region of the United States. Madison is the capital and Milwaukee is the largest city of Wisconsin. America’s dairyland is the nickname of Wisconsin. Wisconsin Zip Code started with the digit 5300. The total number of Wisconsin Zip Code approximately 879. The total population of Wisconsin about 5,822,434. So you can find any information about Wisconsin especially zip codes, area codes, Populations, cities, county and so on.