Graysville, TN is a city located in Rhea County, Tennessee and has a land area of 72.41 square miles (187.54 km2). The water area for the city is 0.09 square miles or 0.23 km2. There is one unique zip code in Graysville, Tennessee and it is 37338. The area code(s) for Graysville is 423.
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