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U.S. ZIP Code 79831
5-digit United States postal code #79831, Alpine, TX
ZIP code 79831 is located in the city (place name) Alpine, сounty Brewster in the state of Texas. The population in ZIP code 79831 is 29 and the population density is 0.0. ZIP code 79831 refers to сounty Brewster having сounty FIPS 48043, the ratio of people from different counties in this ZIP code is as follows: all county weights - 48043: 100%. In the area of the ZIP code 79831 valid time zone America/Chicago.