Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DLLSTXTLDS7

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-647 A Dallas TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-220 A Irving TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-287 A Frisco EACS TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-357 A Dallas TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-388 A Frisco TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-443 A Plano TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-525 A McKinney EMS TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-528 A Lewisville EMS TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-586 A Irving TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-629 A Dallas Fort Worth Airport TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-763 A Lewisville TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-892 A Carrollton TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-948 A Lewisville TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-997 A Plano TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
940-448 A Bartonville TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
940-783 A Denton TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
940-784 A Argyle TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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