Loudonville, OH is a city located in Ashland County, Ohio and has a land area of 72.80 square miles (188.55 km2). The water area for the city is 0.29 square miles or 0.75 km2. There is one unique zip code in Loudonville, Ohio and it is 44842. The area code(s) for Loudonville is 419/567.
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