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NPA: 512 [Rate centres in NPA 512] [Dial plan for NPA 512]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-948 5 Georgetown PPCP TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-948 6 Georgetown PPCP TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-08-30   
512-948 7 Georgetown PPCP TX AUSTTXHOX3X  318C CEBRIDGE TELECOM TX , L.P. - TX 558   2010-09-18   
512-948 8 Georgetown PPCP TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2011-07-16   
512-948 9 Georgetown PPCP TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2011-02-11   
512-949 A Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-949 0 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2008-10-27   
512-949 1 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2008-11-06   
512-949 2 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2008-07-04   
512-949 3 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2008-07-04   
512-949 4 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2008-08-22   
512-949 5 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2008-08-22   
512-949 6 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2008-08-22   
512-949 7 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2008-11-23   
512-949 8 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2009-01-05   
512-949 9 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2008-03-22   
512-952 A Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558      
512-952 0 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-07-11   
512-952 1 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-07-11   
512-952 2 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-07-11   
512-952 3 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2012-12-31   
512-952 4 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2012-12-31   
512-952 5 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2012-12-31   
512-952 6 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2012-12-31   
512-952 7 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2012-12-31   
512-952 8 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-07-11   
512-952 9 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2014-07-13   
512-953 A Austin TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2025-01-29   
512-953 0 Austin TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2015-04-27   
512-953 1 Austin TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2015-04-27   
512-953 2 Austin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-01-20   
512-953 3 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-05-09   
512-953 4 Austin TX AUSTTXEE7MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 558   2015-05-04   
512-953 5 Austin TX AUSTTXGR25Z  516C AT&T CORP. 558   2015-04-14   
512-953 6 Austin TX AUSUTX78DS0  7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2015-02-24   
512-953 7 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-05-09   
512-953 8 Austin TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2015-03-16   
512-953 9 Austin TX AUSXTXZR0MD  793K TWC IP ENABLED SERVICES, LLC 558   2015-03-16   
512-954 A Austin TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558      
512-954 0 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-05   
512-954 1 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 2 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 3 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 4 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 5 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 6 Austin TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2013-02-24   
512-954 7 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 8 Austin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2013-03-15   
512-954 9 Austin TX AUSWTXOO2MD  829J PAETEC ITEL, LLC 558   2013-03-09   
512-955 A Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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