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.

OCN: 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
972-445 2 Irving EMS TX IRNGTXXCDS0  552      
972-445 3 Irving EMS TX IRNGTXXCDS0  552      
972-445 4 Irving EMS TX IRNGTXXCDS0  552      
972-445 5 Irving EMS TX IRNGTXXCDS0  552      
972-445 6 Irving EMS TX IRNGTXXCDS0  552      
972-445 8 Irving EMS TX IRNGTXXCDS0  552      
972-446 A Carrollton TX CRTNTXXADS0  552      
972-453 A Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 0 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 2 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 3 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 4 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 5 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 6 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 7 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 8 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-453 9 Dallas Fort Worth Airport EMS TX DFIATXXADS0  552      
972-456 A Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 0 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 1 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 2 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 3 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 4 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 5 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 6 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 7 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-456 8 Dallas Fort Worth Airport TX DFIATXXADS0  552      
972-459 A Lewisville TX LWVLTXXEDS0  552      
972-459 0 Lewisville TX LWVLTXXEDS0  552      
972-459 1 Lewisville TX LWVLTXXEDS0  552      
972-459 2 Lewisville TX LWVLTXXEDS0  552      
972-459 3 Lewisville TX LWVLTXXEDS0  552      
972-459 4 Lewisville TX LWVLTXXEDS0  552      
972-459 5 Lewisville TX LWVLTXXEDS0  552      
972-459 6 Lewisville TX LWVLTXXEDS0  552      
972-459 7 Lewisville TX LWVLTXXEDS0  552      
972-459 9 Lewisville TX LWVLTXXEDS0  552      
972-461 A Plano TX PLANTXXADS1  552      
972-462 A Lewisville TX LWVLTXXBDS0  552      
972-462 0 Lewisville TX LWVLTXXBDS0  552      
972-462 1 Lewisville TX LWVLTXXBDS0  552      
972-462 2 Lewisville TX LWVLTXXBDS0  552      
972-462 3 Lewisville TX LWVLTXXBDS0  552      
972-462 5 Lewisville TX LWVLTXXBDS0  552      
972-462 6 Lewisville TX LWVLTXXBDS0  552      
972-462 7 Lewisville TX LWVLTXXBDS0  552      
972-462 8 Lewisville TX LWVLTXXBDS0  552      
972-462 9 Lewisville TX LWVLTXXBDS0  552      
972-463 A Plano TX RWLTTXXADS0  552      
972-465 A Irving EMS TX IRNGTXXGDS0  552      
972-465 1 Irving EMS TX IRNGTXXGDS0  552      
972-465 2 Irving EMS TX IRNGTXXGDS0  552      
972-465 3 Irving EMS TX IRNGTXXGDS0  552      
972-465 4 Irving EMS TX IRNGTXXGDS0  552      
972-465 5 Irving EMS TX IRNGTXXGDS0  552      
972-465 6 Irving EMS TX IRNGTXXGDS0  552      
972-465 7 Irving EMS TX IRNGTXXGDS0  552      
972-465 8 Irving EMS TX IRNGTXXGDS0  552      
972-466 A Carrollton TX CRTNTXXADS0  552      
972-468 A Plano TX PLANTXXFDS0  552      
972-468 2 Plano TX PLANTXXFDS0  552      
972-468 4 Plano TX PLANTXXFDS0  552      
972-471 A Lewisville EMS TX LWVLTXXBDS0  552      
972-471 0 Lewisville EMS TX LWVLTXXBDS0  552      
972-471 1 Lewisville EMS TX LWVLTXXBDS0  552      
972-471 2 Lewisville EMS TX LWVLTXXBDS0  552      
972-471 3 Lewisville EMS TX LWVLTXXBDS0  552      
972-471 4 Lewisville EMS TX LWVLTXXBDS0  552      
972-471 5 Lewisville EMS TX LWVLTXXBDS0  552      
972-471 6 Lewisville EMS TX LWVLTXXBDS0  552      
972-471 7 Lewisville EMS TX LWVLTXXBDS0  552      
972-471 8 Lewisville EMS TX LWVLTXXBDS0  552      
972-473 A Plano TX PLANTXXDDS1  552      
972-475 A Plano TX RWLTTXXADS0  552      
972-478 A Carrollton TX CRTNTXXDDS0  552      
972-478 2 Carrollton TX CRTNTXXDDS0  552      
972-478 3 Carrollton TX CRTNTXXDDS0  552      
972-478 4 Carrollton TX CRTNTXXDDS0  552      
972-478 5 Carrollton TX CRTNTXXDDS0  552      
972-478 6 Carrollton TX CRTNTXXDDS0  552      
972-478 7 Carrollton TX CRTNTXXDDS0  552      
972-478 8 Carrollton TX CRTNTXXDDS0  552      
972-478 9 Carrollton TX CRTNTXXDDS0  552      
972-485 A Plano TX GRLDTXXADS0  552      
972-487 A Plano TX GRLDTXXADS0  552      
972-491 A Plano TX PLANTXXKDS0  552      
972-492 A Carrollton TX CRTNTXXBDS0  552      
972-494 A Plano TX GRLDTXXADS0  552      
972-495 A Plano TX GRLDTXXCDS0  552      
972-496 A Plano TX GRLDTXXCDS0  552      
972-507 A Irving EMS TX IRNGTXXEDS0  552      
972-509 A Plano TX PLANTXXADS0  552      
972-513 A Irving TX IRNGTXXDDS0  552      
972-513 0 Irving TX IRNGTXXDDS0  552      
972-513 1 Irving TX IRNGTXXDDS0  552      
972-513 2 Irving TX IRNGTXXDDS0  552      
972-513 9 Irving TX IRNGTXXDDS0  552      
972-514 A Irving EMS TX IRNGTXXDDS0  552      
972-514 0 Irving EMS TX IRNGTXXDDS0  552      
972-516 A Plano TX PLANTXXADS0  552      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.