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
281-674 9 Houston Suburban TX 903C ONVOY, LLC - TX 560   2011-06-17   
281-677 6 Houston Suburban TX 903C ONVOY, LLC - TX 560   2011-06-17   
281-677 8 Houston Suburban TX 903C ONVOY, LLC - TX 560   2009-02-11   
281-697 A Sugar Land TX 903C ONVOY, LLC - TX 560      
281-697 2 Sugar Land TX 903C ONVOY, LLC - TX 560   2021-02-23   
281-697 4 Sugar Land TX 903C ONVOY, LLC - TX 560   2021-02-21   
281-697 5 Sugar Land TX 903C ONVOY, LLC - TX 560   2021-02-21   
281-697 6 Sugar Land TX 903C ONVOY, LLC - TX 560   2021-02-21   
281-697 7 Sugar Land TX 903C ONVOY, LLC - TX 560   2021-02-21   
281-698 2 Barker TX 903C ONVOY, LLC - TX 560   2017-07-04   
281-698 8 Barker TX 903C ONVOY, LLC - TX 560   2003-10-25   
281-698 9 Barker TX 903C ONVOY, LLC - TX 560   2024-05-11   
281-709 2 Apollo TX 903C ONVOY, LLC - TX 560   2014-10-04   
281-710 0 Arcola TX 903C ONVOY, LLC - TX 560   2015-12-08   
281-710 6 Arcola TX 903C ONVOY, LLC - TX 560   2015-12-08   
281-715 4 Deer Park TX 903C ONVOY, LLC - TX 560   2005-05-27   
281-716 3 Bammel TX 903C ONVOY, LLC - TX 560   2009-02-11   
281-716 6 Bammel TX 903C ONVOY, LLC - TX 560   2010-07-10   
281-717 6 Barker TX 903C ONVOY, LLC - TX 560   2014-10-06   
281-721 0 Houston Suburban TX 903C ONVOY, LLC - TX 560   2020-10-10   
281-721 5 Houston Suburban TX 903C ONVOY, LLC - TX 560   2009-02-11   
281-742 1 Westfield TX 903C ONVOY, LLC - TX 560   2010-11-15   
281-745 9 Houston TX 903C ONVOY, LLC - TX 560   2005-03-27   
281-746 6 Cypress TX 903C ONVOY, LLC - TX 560   2014-10-17   
281-747 1 Porter TX 903C ONVOY, LLC - TX 560   2013-01-10   
281-749 5 Houston Suburban TX 903C ONVOY, LLC - TX 560   2009-02-11   
281-750 8 Richmond-Rosenberg TX 903C ONVOY, LLC - TX 560   2004-01-03   
281-754 3 Houston Suburban TX 903C ONVOY, LLC - TX 560   2009-02-11   
281-758 8 Cypress TX 903C ONVOY, LLC - TX 560   2011-06-09   
281-766 A Pinehurst TX 903C ONVOY, LLC - TX 560      
281-766 1 Pinehurst TX 903C ONVOY, LLC - TX 560   2005-05-20   
281-766 5 Pinehurst TX 903C ONVOY, LLC - TX 560   2020-12-10   
281-767 2 Rosharon TX 903C ONVOY, LLC - TX 560   2018-09-07   
281-767 4 Rosharon TX 903C ONVOY, LLC - TX 560   2016-03-28   
281-767 5 Rosharon TX 903C ONVOY, LLC - TX 560   2016-03-28   
281-767 8 Rosharon TX 903C ONVOY, LLC - TX 560   2018-09-07   
281-768 2 Houston TX 903C ONVOY, LLC - TX 560   2006-07-27   
281-768 3 Houston TX 903C ONVOY, LLC - TX 560   2006-07-27   
281-768 4 Houston TX 903C ONVOY, LLC - TX 560   2006-07-27   
281-768 5 Houston TX 903C ONVOY, LLC - TX 560   2006-07-27   
281-768 6 Houston TX 903C ONVOY, LLC - TX 560   2006-07-27   
281-768 7 Houston TX 903C ONVOY, LLC - TX 560   2006-07-27   
281-768 8 Houston TX 903C ONVOY, LLC - TX 560   2006-07-27   
281-771 0 Spring TX 903C ONVOY, LLC - TX 560   2014-09-27   
281-771 1 Spring TX 903C ONVOY, LLC - TX 560   2014-09-27   
281-779 2 Houston TX 903C ONVOY, LLC - TX 560   2007-12-04   
281-779 4 Houston TX 903C ONVOY, LLC - TX 560   2007-12-17   
281-779 8 Houston TX 903C ONVOY, LLC - TX 560   2008-02-14   
281-783 2 Sheldon TX 903C ONVOY, LLC - TX 560   2015-12-10   
281-783 3 Sheldon TX 903C ONVOY, LLC - TX 560   2012-06-18   

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

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