Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 512 [Rate centres in NPA 512] [Dial plan for NPA 512]

NXX: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-551 A Austin TX AUSTTXUHZMD  8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 558      
512-551 0 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2009-07-03   
512-551 1 Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2009-07-03   
512-551 2 Austin TX AUSTTXGR25Z  516C AT&T CORP. 558   2009-11-13   
512-551 3 Austin TX AUSTTXGR25Z  516C AT&T CORP. 558   2009-04-24   
512-551 4 Austin TX AUSTTXUHZMD  8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 558   2008-12-27   
512-551 5 Austin TX AUSWTXSZDS2  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2009-04-16   
512-551 6 Austin TX AUSWTXSZDS2  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2009-04-16   
512-551 7 Austin TX AUSWTXSZDS2  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 558   2009-04-16   
512-551 8 Austin TX AUSTTXGR25Z  516C AT&T CORP. 558   2009-07-03   
512-551 9 Austin TX AUSTTXGR25Z  516C AT&T CORP. 558   2009-07-03   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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