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: 572

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-572 A Bertram TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
512-572 0 Bertram TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2014-07-27   
512-572 1 Bertram TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-07-23   
512-572 2 Bertram TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2017-05-27   
512-572 3 Bertram TX   903C ONVOY, LLC - TX 558   2016-04-18   
512-572 4 Bertram TX   903C ONVOY, LLC - TX 558   2016-04-18   
512-572 5 Bertram TX   903C ONVOY, LLC - TX 558   2017-06-25   
512-572 6 Bertram TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-04-07   
512-572 7 Bertram TX   903C ONVOY, LLC - TX 558   2014-12-03   
512-572 8 Bertram TX   903C ONVOY, LLC - TX 558   2014-07-20   
512-572 9 Bertram TX   903C ONVOY, LLC - TX 558   2018-03-23   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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