Find the last 4 digits (ZIP+4) for an address in 78734

ZIP 78734, Austin, TX is filled in. Just type the street address.

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ZIP Code 78734 – Austin, TX

Austin, Texas · Travis County · Central time

ZIP code78734
CityAustin
StateTexas
CountyTravis County
Population22,145
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area18.94 sq mi
Center (lat, long)30.3801, -97.9478

Area codes in this area

512737

These are the area codes that most often serve ZIP 78734 (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

78732 Austin · 3.3 mi78645 Leander · 5 mi78733 Austin · 5.5 mi78738 Austin · 5.6 mi78730 Austin · 6.5 mi78716 Austin · 6.9 mi78726 Austin · 7.3 mi78735 Austin · 9 mi

About ZIP 78734

ZIP code 78734 is assigned to Austin, Texas. It lies in Travis County. Its Census area covers about 18.94 square miles of land. The closest neighboring ZIP is 78732 (Austin), about 3.3 miles away.

Every address in 78734 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