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U.S. ZIP Code 37729
5-digit United States postal code #37729, Duff, TN
ZIP code 37729 is located in the city (place name) Duff, сounty Campbell in the state of Tennessee. The population in ZIP code 37729 is 1456 and the population density is 11.2. ZIP code 37729 refers to сounty Campbell having сounty FIPS 47013, the ratio of people from different counties in this ZIP code is as follows: all county weights - 47013: 100%. In the area of the ZIP code 37729 valid time zone America/New_York.