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U.S. ZIP Code 76666
5-digit United States postal code #76666, Mertens, TX
ZIP code 76666 is located in the city (place name) Mertens, сounty Hill in the state of Texas. The population in ZIP code 76666 is 244 and the population density is 5.8. ZIP code 76666 refers to сounty Hill having сounty FIPS 48217, the ratio of people from different counties in this ZIP code is as follows: all county weights - 48217: 100%. In the area of the ZIP code 76666 valid time zone America/Chicago.