Local Calling Guide

Area code/prefix search

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OCN: 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
512-691 0 Austin TX   558   2001-03-21   
512-691 1 Austin TX   558   2001-04-01   
512-691 2 Austin TX   558   2001-04-01   
512-691 3 Austin TX   558   2001-04-01   
512-691 4 Austin TX   558   2001-04-01   
512-691 5 Austin TX   558   2001-04-01   
512-691 6 Austin TX   558   2001-04-01   
512-691 7 Austin TX   558      
512-691 8 Austin TX   558      
512-691 9 Austin TX   558      
512-712 1 Austin TX   558   2008-11-17   
512-712 7 Austin TX   558   2009-10-02   
512-770 4 Austin TX   558   2015-02-02   
512-770 8 Austin TX   558   2015-02-02   
512-778 7 Liberty Hill TX   558   2011-09-23   
512-813 8 Austin TX   558   2013-06-03   
512-814 4 Austin TX   558   2010-01-04   
512-823 2 Austin TX   558   2011-09-10   
512-823 3 Austin TX   558   2011-09-10   
512-829 A Dripping Springs PPCP TX AUSTTXGRDS7  558      
512-829 9 Dripping Springs PPCP TX   558      
512-840 2 Austin TX   558   2014-10-13   
512-840 3 Austin TX   558   2014-10-13   
512-840 4 Austin TX   558   2014-10-13   
512-840 5 Austin TX   558   2014-10-13   
512-840 6 Austin TX   558   2014-10-13   
512-871 A Austin TX AUSTTXGR09Z  558      
512-871 5 Austin TX   558   2019-01-21   
512-871 6 Austin TX   558   2019-01-21   
512-872 8 Austin TX   558   2013-11-08   
512-910 6 Austin TX   558   2013-07-07   
512-934 5 Austin TX   558   2006-05-08   
512-934 6 Austin TX   558   2006-05-08   
512-954 A Austin TX AUSTTXGR09Z  558      
512-954 6 Austin TX   558   2013-02-24   
512-982 A Austin TX AUSTTXGRDS7  558      
512-982 5 Austin TX   558   2013-12-16   
512-982 7 Austin TX   558   2013-12-16   
512-993 3 Austin TX   558   2013-09-23   
713-265 6 Houston TX   560   2015-08-17   
713-325 A Houston TX HSTNTX01DS5  560      
713-325 5 Houston TX   560   2014-03-07   
713-325 6 Houston TX   560   2014-03-07   
713-325 7 Houston TX   560   2014-03-07   
713-325 8 Houston TX   560   2014-03-07   
713-325 9 Houston TX   560   2014-03-07   
713-353 A Houston TX HSTNTXGIDS0  560      
713-431 A Houston TX HSTNTXGIDS0  560      
713-431 0 Houston TX   560      
713-431 3 Houston TX   560      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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