In which county is ZIP code 78615 located?

ZIP 78615 is listed under Williamson County, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 78615: Coupland, TX

ZIP: 78615

County: Williamson County

Coordinates: 30.48720, -97.36760

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 78615, serving Coupland in TX. It lies in Williamson County and supports delivery, planning, and address verification.

Primary City	Coupland
ZIP Code	78615
County	Williamson County
State	TX
Latitude / Longitude	30.48720, -97.36760
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 78615 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 78615 are listed as 30.48720 / -97.36760, useful for GPS and service checks in and around Coupland, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78615 for mail delivery and general location reference in Williamson County, TX.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Coupland within TX.

Frequently Asked Questions

What is the primary city for ZIP code 78615?

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

In which county is 78615 located?

ZIP code 78615 is situated within Williamson County, TX.

What are the coordinates for 78615?

The approximate center point is 30.48720 (Latitude) and -97.36760 (Longitude).

Is ZIP code 78615 active?

This page lists ZIP 78615 as Listed based on the latest refresh date shown above.

Does ZIP 78615 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