ZIP Code 78644: Lockhart, TX
County: Caldwell
Coordinates: 29.88680, -97.67690
ZIP Type: Standard
Time Zone: Central Time (CT)
This profile provides an in-depth look at ZIP code 78644, serving Lockhart in TX. It lies in Caldwell and supports delivery, planning, and address verification.
| Primary City | Lockhart |
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| ZIP Code | 78644 |
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| County | Caldwell |
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| State | TX |
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| Latitude / Longitude | 29.88680, -97.67690 |
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| ZIP Type | Standard |
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| Time Zone | Central Time (CT) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 78644 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 78644 are listed as 29.88680 / -97.67690, useful for GPS and service checks in and around Lockhart, TX.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 78644 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 Lockhart within TX.
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Frequently Asked Questions
What is the primary city for ZIP code 78644?
The primary city for this ZIP code is Lockhart, located in TX.
In which county is 78644 located?
ZIP code 78644 is situated within Caldwell, TX.
What are the coordinates for 78644?
The approximate center point is 29.88680 (Latitude) and -97.67690 (Longitude).
Is ZIP code 78644 active?
This page lists ZIP 78644 as Listed based on the latest refresh date shown above.
Does ZIP 78644 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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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