What County Is 78729 In?
ZIP 78729 is located in
Williamson County
Austin, Texas (TX)
Williamson County — ZIP 78729
ZIP 78729 highlighted in Williamson County, Texas. Click neighboring ZIPs to explore.
ZIP Code Details
| ZIP Code | 78729 |
| County | Williamson County |
| City | Austin |
| State | Texas (TX) |
| FIPS Code | 48491 |
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Frequently Asked Questions
What county is ZIP code 78729 in?
ZIP code 78729 is located in Williamson County, Texas (TX).
What city is ZIP code 78729 in?
ZIP code 78729 is primarily associated with Austin, Texas.
What state is ZIP code 78729 in?
ZIP code 78729 is in the state of Texas (TX).