| 78628 Andice | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 73301 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 73344 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78701 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78702 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78703 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78704 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78705 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78708 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78709 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78710 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78711 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78712 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78713 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78714 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78715 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78716 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78717 Austin | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78718 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78719 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78720 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78721 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78722 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78723 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78724 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78725 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78726 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78727 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78728 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78729 Austin | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78730 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78731 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78732 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78733 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78734 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78735 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78736 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78737 Austin | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78738 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78739 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78741 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78742 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78744 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78745 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78746 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78747 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78748 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78749 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78750 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78751 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78752 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78753 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78754 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78755 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78756 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78757 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78758 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78759 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78760 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78761 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78762 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78763 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78764 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78765 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78766 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78767 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78768 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78769 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78772 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78773 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78774 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78778 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78779 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78780 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78781 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78783 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78785 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78789 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78799 Austin | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78759 Balcones | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78780 Bank One MBank | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78602 Bastrop | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78621 Beaukiss | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78733 Bee Cave | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78734 Bee Cave | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78736 Bee Cave | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78738 Bee Cave | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78733 Bee Caves | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78734 Bee Caves | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78736 Bee Caves | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78738 Bee Caves | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78615 Beyersville | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78744 Bluff Springs | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78669 Briarcliff | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78717 Brushy Creek | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78610 Buda | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78602 Calvin | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78731 Camp Mabry | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78789 Capital National TX Commrc Bank | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78612 Cedar Creek | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78613 Cedar Park | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78630 Cedar Park | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78653 Cele | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78736 Circleville | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78783 City Water and Light Dept | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78602 Clearview | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78744 Colton | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78615 Coupland | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78610 Creedmoor | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78653 Daffan | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78616 Dale | 512/737 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78617 Del Valle | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78953 Delhi | 830 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78682 Dell Computers | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78754 Dell Computers | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78773 Dept of Public Safety | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78753 Dessau | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78619 Driftwood | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78620 Dripping Springs | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78621 Elgin | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78617 Elroy | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78622 Fentress | 512/737 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76527 Florence | 254 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78732 Four Points | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76574 Frame Switch | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76530 Friendship | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78617 Garfield | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78626 Georgetown | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78627 Georgetown | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78628 Georgetown | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76530 Granger | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78653 Gregg | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76574 Hare | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78620 Henly | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78602 Hill | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78659 Hills | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78725 Hornsby Bend | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76574 Hoxie | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78734 Hudson Bend | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78634 Hutto | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 73301 IRS Service Center | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 73344 IRS Service Center | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76537 Jarrell | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78953 Jeddo | 830 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78648 Joliet | 830 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78729 Jollyville | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78626 Jonah | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78645 Jonestown | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78653 Kimbro | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78957 Kirtley | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78640 Kyle | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78645 Lago Vista | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78734 Lakeway | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78738 Lakeway | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76574 Laneport | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78641 Leander | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78645 Leander | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78646 Leander | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78642 Liberty Hill | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78621 Littig | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78644 Lockhart | 512/737 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78612 Lost Pines | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78648 Luling | 830 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78621 Lund | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78616 Lytton Springs | 512/737 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78652 Manchaca | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78653 Manda | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78659 Manheim | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78653 Manor | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78732 Marshall Ford | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78655 Martindale | 512/737 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78656 Maxwell | 512/737 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78650 Mc Dade | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78651 Mc Neil | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78650 McDade | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78616 McMahan | 512/737 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78651 McNeil | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78644 Mendoza | 512/737 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78634 Monadale | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78741 Montopolis | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78719 Moores Crossing | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78779 Motor Vehicle Division | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78620 Mount Sharp | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78610 Mountain City | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78781 NCNB Nations Bank | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76537 New Corn Hill | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78653 New Sweden | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78640 Niederwald | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76574 Noack | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76574 Normans Crossing | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78735 Oak Hill | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78736 Oak Hill | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78749 Oak Hill | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78664 Old Round Rock | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78659 Paige | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78660 Pflugerville | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78691 Pflugerville | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78744 Pilot Knob | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78676 Pioneer Town | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78645 Point Venture | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78661 Prairie Lea | 512/737 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78662 Red Rock | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78656 Reedville | 512/737 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76574 Rices Crossing | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78799 Rmx | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78746 Rollingwood | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78953 Rosanky | 830 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78664 Round Rock | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78665 Round Rock | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78680 Round Rock | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78681 Round Rock | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78682 Round Rock | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78683 Round Rock | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78748 San Leanna | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78666 San Marcos | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78667 San Marcos | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76574 Sandoval | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76573 Schwertner | 254 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78644 Seawillow | 512/737 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78957 Smithville | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78785 Southern Union Gas Company | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78669 Spicewood | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78754 Sprinkle | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78648 Stairtown | 830 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78774 State Comptroller | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78953 String Prairie | 830 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78621 Structure | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78628 Sun City | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78735 Sunset Valley | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78745 Sunset Valley | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78703 Tarrytown | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76574 Taylor | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78778 Texas Workforce Commission | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78738 The Hills | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78712 The University of Texas | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76537 Theon | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76578 Thrall | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78664 Three Point | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78616 Tilmon | 512/737 | Caldwell County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78704 Travis Heights | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78621 Type | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78640 Uhland | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78712 University of Texas | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78957 Upton | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78712 UT | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78772 Veterans Administration | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78738 Village of the Hills | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78738 Vlg O the Hls | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78641 Volente | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78673 Walburg | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 76574 Waterloo | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78621 Webberville | 512/737 | Bastrop County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78653 Webberville | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78674 Weir | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78746 West Lake Hills | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78746 West Lake Hls | 512/737 | Travis County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78641 Whitestone | 512/737 | Williamson County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78676 Wimberley | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
| 78676 Woodcreek | 512/737 | Hays County | Texas - TX | Austin-San Marcos, TX (0640) | MSA |
