Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: DLLSTXTLDS7

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-647 A Dallas TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-287 A Frisco EACS TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-357 A Dallas TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-443 A Plano TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-525 A McKinney EMS TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-528 A Lewisville EMS TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-586 A Irving TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-629 A Dallas Fort Worth Airport TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-892 A Carrollton TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-948 A Lewisville TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
940-448 A Bartonville TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
940-783 A Denton TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
940-784 A Argyle TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
940-828 A Bartonville TX 7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      

Last updated: Sun, 31 May 2020 11:59:01 UTC

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