Alledonia is an unincorporated community in central Washington Township, Belmont County, Ohio, United States.[1] It has a post office with the ZIP code 43902.[2] It lies along State Route 148.

Alledonia is part of the Wheeling, WV-OH Metropolitan Statistical Area.
References
edit
39°53′55″N 80°58′09″W / 39.89861°N 80.96917°W