Richwood Zip Codes - Union County OH

Richwood, OH Zip Code Map

Richwood, OH is a city located in Union County, Ohio and has a land area of 97.98 square miles (253.77 km2). The water area for the city is 0.66 square miles or 1.71 km2. There is one unique zip code in Richwood, Ohio and it is 43344. The area code(s) for Richwood is 937/740.

Zip Codes for Richwood, OH (1)
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43344 Richwood Union

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