Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-597 2 Houston TX 903C ONVOY, LLC - TX 560   2014-03-08   
713-597 3 Houston TX 903C ONVOY, LLC - TX 560   2014-03-08   
713-597 4 Houston TX 903C ONVOY, LLC - TX 560   2014-03-08   
713-597 5 Houston TX 903C ONVOY, LLC - TX 560   2014-03-08   
713-597 6 Houston TX 903C ONVOY, LLC - TX 560   2014-03-08   
713-597 7 Houston TX 903C ONVOY, LLC - TX 560   2014-03-08   
713-597 8 Houston TX 903C ONVOY, LLC - TX 560   2014-03-08   
713-609 1 Houston TX 903C ONVOY, LLC - TX 560   2014-09-01   
713-660 1 Houston TX 903C ONVOY, LLC - TX 560   2009-06-09   
713-673 8 Houston TX 903C ONVOY, LLC - TX 560   2015-08-13   
713-677 2 Houston TX 903C ONVOY, LLC - TX 560   2017-08-08   
713-682 9 Houston TX 903C ONVOY, LLC - TX 560   2021-08-01   
713-715 1 Houston TX 903C ONVOY, LLC - TX 560   2005-10-29   
713-715 4 Houston TX 903C ONVOY, LLC - TX 560   2005-10-29   
713-715 5 Houston TX 903C ONVOY, LLC - TX 560   2005-10-29   
713-715 6 Houston TX 903C ONVOY, LLC - TX 560   2005-10-29   
713-715 7 Houston TX 903C ONVOY, LLC - TX 560   2005-10-29   
713-728 6 Houston TX 903C ONVOY, LLC - TX 560   2007-03-21   
713-728 7 Houston TX 903C ONVOY, LLC - TX 560   2007-03-21   
713-730 2 Houston TX 903C ONVOY, LLC - TX 560   2015-08-13   
713-731 5 Houston TX 903C ONVOY, LLC - TX 560   2020-11-30   
713-742 6 Houston TX 903C ONVOY, LLC - TX 560   2019-10-17   
713-766 0 Houston TX 903C ONVOY, LLC - TX 560   2013-12-04   
713-766 1 Houston TX 903C ONVOY, LLC - TX 560   2013-12-03   
713-766 6 Houston TX 903C ONVOY, LLC - TX 560   2013-12-03   
713-766 8 Houston TX 903C ONVOY, LLC - TX 560   2013-12-03   
713-766 9 Houston TX 903C ONVOY, LLC - TX 560   2013-12-03   
713-769 0 Spring TX 903C ONVOY, LLC - TX 560   2024-04-25   
713-769 5 Spring TX 903C ONVOY, LLC - TX 560   2024-07-01   
713-769 8 Spring TX 903C ONVOY, LLC - TX 560   2024-05-11   
713-769 9 Spring TX 903C ONVOY, LLC - TX 560   2024-05-11   
713-804 A Houston TX 903C ONVOY, LLC - TX 560      
713-804 0 Houston TX 903C ONVOY, LLC - TX 560   2019-02-14   
713-804 1 Houston TX 903C ONVOY, LLC - TX 560   2019-02-14   
713-804 2 Houston TX 903C ONVOY, LLC - TX 560   2019-02-14   
713-804 3 Houston TX 903C ONVOY, LLC - TX 560   2019-02-14   
713-804 4 Houston TX 903C ONVOY, LLC - TX 560   2019-02-14   
713-804 5 Houston TX 903C ONVOY, LLC - TX 560   2019-02-14   
713-804 6 Houston TX 903C ONVOY, LLC - TX 560   2019-02-14   
713-804 7 Houston TX 903C ONVOY, LLC - TX 560   2019-02-14   
713-804 8 Houston TX 903C ONVOY, LLC - TX 560   2019-02-14   
713-804 9 Houston TX 903C ONVOY, LLC - TX 560   2019-02-14   
713-808 1 Houston TX 903C ONVOY, LLC - TX 560   2007-11-26   
713-820 6 Houston TX 903C ONVOY, LLC - TX 560   2008-05-11   
713-832 A Houston TX 903C ONVOY, LLC - TX 560      
713-832 0 Houston TX 903C ONVOY, LLC - TX 560   2022-09-17   
713-832 1 Houston TX 903C ONVOY, LLC - TX 560   2022-09-17   
713-832 2 Houston TX 903C ONVOY, LLC - TX 560   2022-09-17   
713-832 3 Houston TX 903C ONVOY, LLC - TX 560   2022-09-17   
713-832 4 Houston TX 903C ONVOY, LLC - TX 560   2022-09-17   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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