Find the last 4 digits (ZIP+4) for an address in 78642

ZIP 78642, Liberty Hill, TX is filled in. Just type the street address.

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ZIP Code 78642 – Liberty Hill, TX

Liberty Hill, Texas · Williamson County · Central time

ZIP code78642
CityLiberty Hill
StateTexas
CountyWilliamson CountyBurnet County
Population26,434
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area111.13 sq mi
Center (lat, long)30.6957, -97.9395

Area codes in this area

254512737

These are the area codes that most often serve ZIP 78642 (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

78605 Bertram · 8.2 mi78646 Leander · 9.6 mi78641 Leander · 9.6 mi78628 Georgetown · 9.8 mi78633 Georgetown · 11.3 mi76527 Florence · 12.9 mi78613 Cedar Park · 14.8 mi78630 Cedar Park · 14.9 mi

About ZIP 78642

ZIP code 78642 is assigned to Liberty Hill, Texas. It crosses 2 counties; most of its land is in Williamson County. Its Census area covers about 111.13 square miles of land. The closest neighboring ZIP is 78605 (Bertram), about 8.2 miles away.

Every address in 78642 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