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: DLLSTXRNDS0

Remotes:

Switch Switch name Switch type
RCSNTXBZRS0  RICHARDSON  5ER 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
972-699 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-699 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-699 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-699 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-699 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-699 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-699 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-699 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-699 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-699 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-705 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-744 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-744 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-744 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-744 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-744 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-744 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-744 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-744 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-744 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-761 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-761 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-761 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-761 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-761 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-761 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-761 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-761 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-773 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-773 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-773 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-773 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-773 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-783 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-783 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-783 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-783 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-783 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-783 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-783 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-783 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-783 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-783 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-808 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-808 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-808 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-808 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-808 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-808 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-808 8 Dallas TX 9533 SOUTHWESTERN BELL 552      

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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