Sullivan is an unincorporated community and census designated place in central Sullivan Township, Ashland County, Ohio, United States.
[1] It has a post office with the ZIP code 44880.
[2] It lies at the intersection of U.S. Route 224 with State Route 58.
[3] A post office called Sullivan has been in operation since 1828, which was closed in the summer of 2015.
This Ashland County, Ohio state location article is a stub.