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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-256 A Kyle TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
512-256 0 Kyle TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2012-04-16   
512-256 1 Kyle TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2013-06-01   
512-256 2 Kyle TX   508J CENTURYLINK COMMUNICATIONS, LLC 558   2014-04-10   
512-256 3 Kyle TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2014-05-12   
512-256 4 Kyle TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2014-11-07   
512-256 5 Kyle TX   793K TWC IP ENABLED SERVICES, LLC 558   2014-12-01   
512-256 6 Kyle TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-02-14   
512-256 7 Kyle TX   903C ONVOY, LLC - TX 558   2013-02-20   
512-256 8 Kyle TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2014-05-02   
512-256 9 Kyle TX   903C ONVOY, LLC - TX 558   2014-04-25   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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