Rio Grande Zip Codes - Gallia County OH

Rio Grande, OH Zip Code Map

Rio Grande, OH is a city located in Gallia County, Ohio and has a land area of 1.17 square miles (3.03 km2). The water area for the city is 0.01 square miles or 0.03 km2. There is one unique zip code in Rio Grande, Ohio and it is 45674. The area code(s) for Rio Grande is 740/220.

Zip Codes for Rio Grande, OH (1)
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45674 Rio Grande Gallia

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