Mc Guffey, OH is a city located in Hardin County, Ohio and has a land area of 0.35 square miles (0.91 km2). The water area for the city is 0.00 square miles or 0.00 km2. There is one unique zip code in Mc Guffey, Ohio and it is 45859. The area code(s) for Mc Guffey is 326/419/567/937.
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