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
806-553 6 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-553 7 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2011-03-18   
806-553 8 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2012-03-12   
806-553 9 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2011-12-02   
806-563 1 Sunray TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2018-12-15   
806-571 A Wellington TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-571 7 Wellington TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2017-12-25   
806-576 A Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-576 0 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2004-11-29   
806-576 1 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2005-07-01   
806-576 2 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2012-07-06   
806-576 3 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2012-11-25   
806-576 4 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-591 A Hereford TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-604 2 Perryton TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2018-05-13   
806-621 A Borger TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-621 6 Borger TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2011-12-24   
806-641 7 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2023-12-15   
806-717 2 Dumas TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2007-02-22   
806-731 A Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-731 0 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-731 1 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-731 4 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2013-06-23   
806-731 6 Amarillo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2013-11-10   
806-802 A Pampa TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546      
806-884 2 Dalhart TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2014-12-14   
806-884 4 Dalhart TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2006-09-25   
806-977 9 Booker TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 546   2006-09-25   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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