In which county is ZIP code 78738 located?

ZIP 78738 is listed under Travis County, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 78738: Austin, TX

ZIP: 78738

County: Travis County

Coordinates: 30.33370, -97.98240

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 78738 in Austin, TX. We include verified county details for Travis County plus key geographic references used for mapping and logistics.

Primary City	Austin
ZIP Code	78738
County	Travis County
State	TX
Latitude / Longitude	30.33370, -97.98240
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 78738 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 78738 is commonly represented around 30.33370, -97.98240. These coordinates help identify the general area within Travis County, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78738 for mail delivery and general location reference in Travis County, TX.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Austin.

Related ZIP Codes (Nearby)

Explore other postal codes near Austin within TX.

Frequently Asked Questions

What is the primary city for ZIP code 78738?

The primary city for this ZIP code is Austin, located in TX.

In which county is 78738 located?

ZIP code 78738 is situated within Travis County, TX.

What are the coordinates for 78738?

The approximate center point is 30.33370 (Latitude) and -97.98240 (Longitude).

Is ZIP code 78738 active?

This page lists ZIP 78738 as Listed based on the latest refresh date shown above.

Does ZIP 78738 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08