Austin County ZIP Codes
Texas, United States · 9 codes
Austin County in Texas has 9 ZIP codes, from 77418 to 78950, serving 9 places.
ZIP codes in Austin
Frequently asked questions
What is the ZIP code of Austin?
Austin has 9 ZIP codes, from 77418 to 78950. The table lists the places each one serves.
How many places are listed in Austin County?
9 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.