City · Texas · United States
Lockhart, TX — ZIP codes
1 ZIP code · Caldwell County
- City
- Lockhart
- County
- Caldwell
- State
- Texas
- Country
- United States
- Postal code
- 78644Single source
- Coordinates
- 29.8868, -97.6769 View on OpenStreetMap
- Area codes
- 512, 737
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 78644 | Lockhart | Single source |
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Last generated : 2026-08-21. Report an error.