Austin zipcode
| City | Austin |
| ZIP Code | 78731 |
| Type | Standard |
| State Code | TX |
| State | Texas |
ZIP code of Austin is 78731. This place is located in Texas state in US. To send any postal service to Austin, you must use 78731 zipcode.
You should avoid following 1 city name of Texas to be used with the ZIP code 78731.
- Camp Mabry, TX