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U.S. ZIP Code 37151
5-digit United States postal code #37151, Riddleton, TN
ZIP code 37151 is located in the city (place name) Riddleton, сounty Smith in the state of Tennessee. The population in ZIP code 37151 is 565 and the population density is 12.1. ZIP code 37151 refers to сounty Smith having сounty FIPS 47159, the ratio of people from different counties in this ZIP code is as follows: all county weights - 47159: 100%. In the area of the ZIP code 37151 valid time zone America/Chicago.