Costonia, Ohio
Unincorporated community in Ohio, U.S. From Wikipedia, the free encyclopedia
Costonia is an unincorporated community in Jefferson County, in the U.S. state of Ohio.[1]
History
A post office called Costonia was established in 1897, and remained in operation until 1937.[2] Besides the post office, Costonia had a country store.[3]
References
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