Local Calling Guide

Area code/prefix search

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

NXX: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-277 A Bertram TX AUSTTXGR42Z  073H TELNYX LLC 558      
512-277 0 Bertram TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558      
512-277 1 Bertram TX AUSTTX92X0X  139F WORLDCALL INTERCONNECT INC. 558   2008-09-12   
512-277 2 Bertram TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2013-05-13   
512-277 3 Bertram TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2009-02-23   
512-277 4 Bertram TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2010-11-18   
512-277 5 Bertram TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-04-25   
512-277 6 Bertram TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2011-11-02   
512-277 7 Bertram TX AUSTTXGR42Z  073H TELNYX LLC 558   2017-03-22   
512-277 8 Bertram TX SMRCTXXAKMD  508J CENTURYLINK COMMUNICATIONS, LLC 558   2014-04-09   
512-277 9 Bertram TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2011-10-20   

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

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