Dunlap, TN is a city located in Sequatchie County, Tennessee and has a land area of 191.40 square miles (495.72 km2). The water area for the city is 0.17 square miles or 0.44 km2. There is one unique zip code in Dunlap, Tennessee and it is 37327. The area code(s) for Dunlap is 423.
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