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
214-451 0 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-451 1 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-451 2 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-451 3 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-451 4 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-451 5 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-451 6 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-451 9 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-462 9 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2009-06-19   
214-494 3 Frisco TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2010-05-31   
214-494 7 Frisco TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2013-02-13   
214-545 A Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-545 0 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-545 1 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-545 3 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-545 5 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-545 6 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-545 9 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-568 A Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-569 A Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-580 A Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-580 1 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-580 2 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-580 3 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-580 4 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2006-11-16   
214-580 5 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-580 7 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-580 8 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-580 9 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-593 A Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-594 A Irving TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-602 A Cedar Hill TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-620 2 McKinney EMS TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2009-03-23   
214-627 A Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-666 7 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2007-10-10   
214-687 A Irving TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-687 0 Irving TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-687 3 Irving TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-687 4 Irving TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-687 5 Irving TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-687 9 Irving TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-716 1 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2009-10-31   
214-716 3 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2009-10-17   
214-716 4 Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2009-10-17   
214-768 A Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-788 A Grand Prairie TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-873 A Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-919 6 Plano TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2010-05-10   
214-921 A Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      
214-964 A Dallas TX 7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552      

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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