Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 713 [Rate centres in NPA 713] [Dial plan for NPA 713]

NXX: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-510 A Houston Suburban TX HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
713-510 0 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2011-09-07   
713-510 1 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2014-09-26   
713-510 2 Houston Suburban TX HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
713-510 3 Houston Suburban TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-12-30   
713-510 4 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2010-09-28   
713-510 5 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2010-09-28   
713-510 6 Houston Suburban TX HSTNTXBUDS0  9533 SOUTHWESTERN BELL 560      
713-510 7 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2008-08-21   
713-510 8 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2008-08-21   
713-510 9 Houston Suburban TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2012-02-13   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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