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U.S. ZIP Code 79539
5-digit United States postal code #79539, O Brien, TX
ZIP code 79539 is located in the city (place name) O Brien, сounty Haskell in the state of Texas. The population in ZIP code 79539 is 178 and the population density is 1.8. ZIP code 79539 refers to сounty Haskell having сounty FIPS 48207, the ratio of people from different counties in this ZIP code is as follows: all county weights - 48207: 100%. In the area of the ZIP code 79539 valid time zone America/Chicago.