Find the last 4 digits (ZIP+4) for an address in 78644

ZIP 78644, Lockhart, TX is filled in. Just type the street address.

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ZIP Code 78644 – Lockhart, TX

Lockhart, Texas · Caldwell County · Central time

ZIP code78644
CityLockhart
StateTexas
CountyCaldwell County
Population22,348
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area179.92 sq mi
Center (lat, long)29.8726, -97.6744

Area codes in this area

512737

These are the area codes that most often serve ZIP 78644 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

78616 Dale · 8.1 mi78656 Maxwell · 8.3 mi78622 Fentress · 8.8 mi78655 Martindale · 10.4 mi78661 Prairie Lea · 11.6 mi78640 Kyle · 12.2 mi78648 Luling · 12.5 mi78670 Staples · 12.8 mi

About ZIP 78644

ZIP code 78644 is assigned to Lockhart, Texas. It lies in Caldwell County. Its Census area covers about 179.92 square miles of land. The closest neighboring ZIP is 78616 (Dale), about 8.1 miles away.

Every address in 78644 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources