Harpster, OH is a city located in Wyandot County, Ohio and has a land area of 36.37 square miles (94.20 km2). The water area for the city is 0.18 square miles or 0.47 km2. There is one unique zip code in Harpster, Ohio and it is 43323. The area code(s) for Harpster is 567/740.
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