Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: HSTQTX02DS4

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-407 A Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-07-10   
281-888 A Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-916 A Kemah TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
713-999 A Huffman TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-602 A Bammel TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-12-24   
832-610 A Spring TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2012-03-23   
832-612 A Richmond-Rosenberg TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2012-03-23   
832-624 A Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2012-11-10   
832-625 A Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2012-11-10   
832-777 A Humble TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
832-900 A Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-12-13   
936-681 A Dayton TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
979-221 A Hempstead TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
979-475 A El Campo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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