Irwin Zip Codes - Union County OH

Irwin, OH Zip Code Map

Irwin, OH is a city located in Union County, Ohio and has a land area of 23.40 square miles (60.61 km2). The water area for the city is 0.03 square miles or 0.08 km2. There is one unique zip code in Irwin, Ohio and it is 43029. The area code(s) for Irwin is 740.

Zip Codes for Irwin, OH (1)

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43029 Irwin Union

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