Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HSTNTXYADS5

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-360 1 Houston TX 903C ONVOY, LLC - TX 560   2011-11-25   
713-360 2 Houston TX 903C ONVOY, LLC - TX 560   2011-11-25   
713-364 0 Houston TX 903C ONVOY, LLC - TX 560   2012-08-16   
713-364 1 Houston TX 903C ONVOY, LLC - TX 560   2007-02-12   
713-364 7 Houston TX 903C ONVOY, LLC - TX 560   2007-02-12   
713-366 4 Houston TX 903C ONVOY, LLC - TX 560   2020-11-30   
713-370 A Houston TX 903C ONVOY, LLC - TX 560   2025-01-10   
713-370 0 Houston TX 903C ONVOY, LLC - TX 560   2008-10-25   
713-370 1 Houston TX 903C ONVOY, LLC - TX 560   2008-10-25   
713-370 2 Houston TX 903C ONVOY, LLC - TX 560   2025-01-06   
713-370 3 Houston TX 903C ONVOY, LLC - TX 560   2008-10-25   
713-370 4 Houston TX 903C ONVOY, LLC - TX 560   2025-01-06   
713-370 5 Houston TX 903C ONVOY, LLC - TX 560   2025-01-06   
713-370 6 Houston TX 903C ONVOY, LLC - TX 560   2025-01-06   
713-370 7 Houston TX 903C ONVOY, LLC - TX 560   2008-10-25   
713-370 8 Houston TX 903C ONVOY, LLC - TX 560   2025-01-06   
713-370 9 Houston TX 903C ONVOY, LLC - TX 560   2025-01-06   
713-373 5 Houston TX 903C ONVOY, LLC - TX 560   2014-09-02   
713-379 A Apollo TX 903C ONVOY, LLC - TX 560      
713-379 0 Apollo TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-379 1 Apollo TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-379 2 Apollo TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-379 3 Apollo TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-379 4 Apollo TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-379 5 Apollo TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-379 6 Apollo TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-379 7 Apollo TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-379 8 Apollo TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-379 9 Apollo TX 903C ONVOY, LLC - TX 560   2022-07-04   
713-383 6 Houston TX 903C ONVOY, LLC - TX 560   2021-08-05   
713-386 5 Houston TX 903C ONVOY, LLC - TX 560   2009-10-07   
713-389 4 Spring TX 903C ONVOY, LLC - TX 560   2012-11-01   
713-389 6 Spring TX 903C ONVOY, LLC - TX 560   2012-11-01   
713-389 8 Spring TX 903C ONVOY, LLC - TX 560   2008-10-18   
713-400 A Houston TX 903C ONVOY, LLC - TX 560      
713-405 2 Houston TX 903C ONVOY, LLC - TX 560   2021-08-05   
713-405 3 Houston TX 903C ONVOY, LLC - TX 560   2021-08-05   
713-405 7 Houston TX 903C ONVOY, LLC - TX 560   2021-08-05   
713-422 2 Houston TX 903C ONVOY, LLC - TX 560   2009-11-24   
713-429 0 Houston TX 903C ONVOY, LLC - TX 560   2020-11-30   
713-429 6 Houston TX 903C ONVOY, LLC - TX 560   2005-06-20   
713-429 8 Houston TX 903C ONVOY, LLC - TX 560   2005-06-20   
713-469 5 Houston TX 903C ONVOY, LLC - TX 560   2009-02-11   
713-469 9 Houston TX 903C ONVOY, LLC - TX 560   2009-02-11   
713-482 7 Houston Suburban TX 903C ONVOY, LLC - TX 560   2008-08-21   
713-482 8 Houston Suburban TX 903C ONVOY, LLC - TX 560   2008-08-21   
713-496 A Houston TX 903C ONVOY, LLC - TX 560      
713-496 1 Houston TX 903C ONVOY, LLC - TX 560   2010-06-17   
713-497 1 Houston TX 903C ONVOY, LLC - TX 560   2017-08-08   
713-510 0 Houston Suburban TX 903C ONVOY, LLC - TX 560   2011-09-07   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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