Oshkosh, WI

ZIP code 54904 encompasses the city of Oshkosh in Winnebago County, Wisconsin. This area is home to the University of Wisconsin Oshkosh, a prominent institution in the region. Another significant landmark in 54904 is the Oshkosh Convention Center, which hosts a variety of events and conferences throughout the year. The ZIP code also includes the EAA Aviation Museum, a popular attraction for aviation enthusiasts.