In which county is ZIP code 78648 located?

ZIP 78648 is listed under Caldwell, TX.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 78648: Luling, TX

ZIP: 78648

County: Caldwell

Coordinates: 29.68260, -97.64990

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 78648 in Luling, TX. We include verified county details for Caldwell plus key geographic references used for mapping and logistics.

Primary City	Luling
ZIP Code	78648
County	Caldwell
State	TX
Latitude / Longitude	29.68260, -97.64990
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 78648 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 78648 is commonly represented around 29.68260, -97.64990. These coordinates help identify the general area within Caldwell, TX.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78648 for mail delivery and general location reference in Caldwell, TX.

This ZIP may extend beyond the city core into nearby communities within Caldwell.

Related ZIP Codes (Nearby)

Explore other postal codes near Luling within TX.

Frequently Asked Questions

What is the primary city for ZIP code 78648?

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

In which county is 78648 located?

ZIP code 78648 is situated within Caldwell, TX.

What are the coordinates for 78648?

The approximate center point is 29.68260 (Latitude) and -97.64990 (Longitude).

Is ZIP code 78648 active?

This page lists ZIP 78648 as Listed based on the latest refresh date shown above.

Does ZIP 78648 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