Smyrna, GA is a city located in Cobb County, Georgia and has a land area of 23.13 square miles (59.91 km2). The water area for the city is 0.13 square miles or 0.34 km2. There are 3 total unique zip codes in Smyrna, Georgia. The area code(s) for Smyrna is 770/678/470/404.
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