Dayton Zip Codes - Montgomery County OH

Dayton, OH Zip Code Map

Dayton, OH is a city located in Montgomery County, Ohio and has a land area of 263.25 square miles (681.81 km2). The water area for the city is 2.37 square miles or 6.14 km2. There are 43 total unique zip codes in Dayton, Ohio. The area code(s) for Dayton is 326/937.

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