Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: SNANTX91DS6

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
210-236 4 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-01-18   
210-237 A San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-237 4 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2004-08-26   
210-476 6 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2009-05-07   
210-503 2 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2014-05-12   
210-503 3 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2014-05-12   
210-503 4 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2014-06-13   
210-503 6 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2014-06-13   
210-631 A San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566      
210-631 0 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 1 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 2 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 3 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 4 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 5 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 6 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 7 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 8 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
210-631 9 San Antonio TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2011-07-01   
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   
956-602 7 Laredo TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 566   2014-12-25   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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