Ada Zip Codes - Hardin County OH

Ada, OH Zip Code Map

Ada, OH is a city located in Hardin County, Ohio and has a land area of 65.56 square miles (169.80 km2). The water area for the city is 0.07 square miles or 0.18 km2. There is one unique zip code in Ada, Ohio and it is 45810. The area code(s) for Ada is 326/419/567/937.

Zip Codes for Ada, OH (1)
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45810 Ada Hardin

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