| ZIP | County | State | Area Code | Time Zone |
| 73301 | Travis | TX | 512 | CST |
| 73344 | Travis | TX | 512 | CST |
| 78701 | Travis | TX | 512 | CST |
| 78702 | Travis | TX | 512 | CST |
| 78703 | Travis | TX | 512 | CST |
| 78704 | Travis | TX | 512 | CST |
| 78705 | Travis | TX | 512 | CST |
| 78708 | Travis | TX | 512 | CST |
| 78709 | Travis | TX | 512 | CST |
| 78710 | Travis | TX | 512 | CST |
| 78711 | Travis | TX | 512 | CST |
| 78712 | Travis | TX | 512 | CST |
| 78713 | Travis | TX | 512 | CST |
| 78714 | Travis | TX | 512 | CST |
| 78715 | Travis | TX | 512 | CST |
| 78716 | Travis | TX | 512 | CST |
| 78717 | Williamson | TX | 512 | CST |
| 78718 | Travis | TX | 512 | CST |
| 78719 | Travis | TX | 512 | CST |
| 78720 | Travis | TX | 512 | CST |
| 78721 | Travis | TX | 512 | CST |
| 78722 | Travis | TX | 512 | CST |
| 78723 | Travis | TX | 512 | CST |
| 78724 | Travis | TX | 512 | CST |
| 78725 | Travis | TX | 512 | CST |
| 78726 | Travis | TX | 512 | CST |
| 78727 | Travis | TX | 512 | CST |
| 78728 | Travis | TX | 512 | CST |
| 78729 | Williamson | TX | 512 | CST |
| 78730 | Travis | TX | 512 | CST |
| 78731 | Travis | TX | 512 | CST |
| 78732 | Travis | TX | 512 | CST |
| 78733 | Travis | TX | 512 | CST |
| 78734 | Travis | TX | 512 | CST |
| 78735 | Travis | TX | 512 | CST |
| 78736 | Travis | TX | 512 | CST |
| 78737 | Hays | TX | 512 | CST |
| 78738 | Travis | TX | 512 | CST |
| 78739 | Travis | TX | 512 | CST |
| 78741 | Travis | TX | 512 | CST |
| 78742 | Travis | TX | 512 | CST |
| 78744 | Travis | TX | 512 | CST |
| 78745 | Travis | TX | 512 | CST |
| 78746 | Travis | TX | 512 | CST |
| 78747 | Travis | TX | 512 | CST |
| 78748 | Travis | TX | 512 | CST |
| 78749 | Travis | TX | 512 | CST |
| 78750 | Travis | TX | 512 | CST |
| 78751 | Travis | TX | 512 | CST |
| 78752 | Travis | TX | 512 | CST |
| 78753 | Travis | TX | 512 | CST |
| 78754 | Travis | TX | 512 | CST |
| 78755 | Travis | TX | 512 | CST |
| 78756 | Travis | TX | 512 | CST |
| 78757 | Travis | TX | 512 | CST |
| 78758 | Travis | TX | 512 | CST |
| 78759 | Travis | TX | 512 | CST |
| 78760 | Travis | TX | 512 | CST |
| 78761 | Travis | TX | 512 | CST |
| 78762 | Travis | TX | 512 | CST |
| 78763 | Travis | TX | 512 | CST |
| 78764 | Travis | TX | 512 | CST |
| 78765 | Travis | TX | 512 | CST |
| 78766 | Travis | TX | 512 | CST |
| 78767 | Travis | TX | 512 | CST |
| 78768 | Travis | TX | 512 | CST |
| 78769 | Travis | TX | 512 | CST |
| 78772 | Travis | TX | 512 | CST |
| 78773 | Travis | TX | 512 | CST |
| 78774 | Travis | TX | 512 | CST |
| 78778 | Travis | TX | 512 | CST |
| 78779 | Travis | TX | 512 | CST |
| 78780 | Travis | TX | 512 | CST |
| 78781 | Travis | TX | 512 | CST |
| 78783 | Travis | TX | 512 | CST |
| 78785 | Travis | TX | 512 | CST |
| 78789 | Travis | TX | 512 | CST |
| 78799 | Travis | TX | 512 | CST |