Austin, Texas

40 ZIP codes · Central time

ZIP codes (largest first)

78704 · 50,68878741 · 45,95178723 · 38,12978717 · 37,26278705 · 33,23878724 · 31,10378738 · 31,01978729 · 30,46078727 · 29,95878731 · 27,50778737 · 27,02378728 · 26,77778702 · 25,98578703 · 23,48378734 · 22,14578732 · 21,08778735 · 20,99678739 · 20,65978726 · 14,50678701 · 11,82478721 · 10,99778725 · 10,74678736 · 9,65178730 · 9,14278733 · 9,02978722 · 6,76778719 · 1,79678712 · 20173301 (PO box)73344 (PO box)78708 (PO box)78709 (PO box)78710 (PO box)78711 (PO box)78713 (PO box)78714 (PO box)78715 (PO box)78716 (PO box)78718 (PO box)78720 (PO box)
Population979,539
StateTexas
CountyTravis County, Williamson County, Hays County
Time zoneCentral
Land area326.39 sq mi

Area codes in this area

512737

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

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Population: U.S. Census Bureau, ACS 5-year estimates, 2024.