Buchanan, GA is a city located in Haralson County, Georgia and has a land area of 102.04 square miles (264.28 km2). The water area for the city is 0.41 square miles or 1.06 km2. There is one unique zip code in Buchanan, Georgia and it is 30113. The area code(s) for Buchanan is 470/678/770.
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