Williamstown Zip Codes - Hancock County OH

Williamstown, OH Zip Code Map

Williamstown, OH is a city located in Hancock County, Ohio and has a land area of 1.20 square miles (3.11 km2). The water area for the city is 0.01 square miles or 0.03 km2. There is one unique zip code in Williamstown, Ohio and it is 45897. The area code(s) for Williamstown is 419/567.

Zip Codes for Williamstown, OH (1)
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45897 Williamstown Hancock

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