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U.S. ZIP Code 78723
5-digit United States postal code #78723, Austin, TX
ZIP code 78723 is located in the city (place name) Austin, сounty Travis in the state of Texas. The population in ZIP code 78723 is 28330 and the population density is 1575.7. ZIP code 78723 refers to сounty Travis having сounty FIPS 48453, the ratio of people from different counties in this ZIP code is as follows: all county weights - 48453: 100%. In the area of the ZIP code 78723 valid time zone America/Chicago.