Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: AUSTTXUHAMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-225 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-279 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-313 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-334 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-439 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-485 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-493 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-498 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-513 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-519 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-530 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-531 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-532 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-533 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-544 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-570 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-579 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-583 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-597 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-646 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-647 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-664 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-681 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-682 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-683 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-684 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-685 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-713 A Georgetown TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-723 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-724 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-725 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-727 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-728 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-744 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-747 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-776 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-780 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-806 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-816 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-857 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-874 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-879 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-901 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-904 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      
512-946 A Austin TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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