Winona, Ohio 3.5

Winona is an unincorporated community in southeastern Butler Township, Columbiana County, Ohio, United States. Although it is unincorporated, it has a post office, with the ZIP code of 44493.HistoryA post office called Winona has been in operation since 1868. The community was named after the character Wenonah in the 1855 epic poem The Song of Hiawatha by Henry Wadsworth Longfellow.