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: 575

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-575 A Smithville TX AUSTTXGR25Z  516C AT&T CORP. 558      
512-575 0 Smithville TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2012-01-11   
512-575 1 Smithville TX SMRCTXXAKMD  508J CENTURYLINK COMMUNICATIONS, LLC 558   2014-04-09   
512-575 2 Smithville TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2014-07-17   
512-575 3 Smithville TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2014-07-27   
512-575 4 Smithville TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-07-23   
512-575 5 Smithville TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-02-17   
512-575 6 Smithville TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2013-05-07   
512-575 7 Smithville TX AUSTTXGR25Z  516C AT&T CORP. 558   2011-10-26   
512-575 8 Smithville TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2014-05-02   
512-575 9 Smithville TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2013-02-20   

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

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