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
210-638 6 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-08-27   
210-638 7 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-08-27   
210-671 A San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-678 3 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2005-12-11   
210-678 4 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2005-12-11   
210-679 2 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2005-12-11   
210-679 3 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2005-12-11   
210-679 4 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2005-12-11   
210-757 1 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2003-12-16   
210-757 2 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2003-12-16   
210-757 5 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2003-12-16   
210-757 6 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2003-12-16   
210-757 7 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2003-12-16   
210-757 8 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2003-12-16   
210-757 9 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2003-12-16   
210-801 7 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2014-09-08   
210-801 8 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2014-09-08   
210-807 5 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-07-13   
210-808 A San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-855 A San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-870 1 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2007-11-08   
210-870 2 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2007-11-08   
210-916 A San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-918 1 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 2 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 3 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 4 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 5 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 6 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 7 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 8 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-918 9 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2006-11-06   
210-925 A San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-977 2 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-977 3 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-977 4 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-977 5 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-977 6 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
830-221 4 New Braunfels TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2005-12-16   
830-515 1 New Braunfels TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2003-06-22   
830-632 3 New Braunfels EMS TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2007-08-17   
956-602 7 Laredo TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2014-12-25   

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

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