ZIP Code 78729
Austin · Williamson, Texas
78729 is the ZIP code of Austin in Williamson, Texas, United States.
- ZIP Code
- 78729
- County
- Williamson
- State
- Texas
- Country
- United States
Place with ZIP code 78729
| Place | County | Location |
|---|---|---|
| Austin | Williamson | 30.452, -97.769 |
Near Austin
The nearest major city is Austin, about 21 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 78729?
Austin.
Which county and state is 78729 in?
Williamson, Texas, United States.
What is the nearest major city to 78729?
Austin, about 21 km away.
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.