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: DLLSTXRIDS0

Remotes:

Switch Switch name Switch type
DLLSTXDARS2  DALLAS  5ER 
DLLSTXHARS2  DALLAS  5ER 
DLLSTXMERS2  DALLAS  5ER 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-742 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-742 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-742 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-742 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-742 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-743 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-743 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-743 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-743 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-743 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-743 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-743 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-743 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-743 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-744 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-744 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-744 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-744 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-744 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-744 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-744 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-744 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-747 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-749 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-749 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-749 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-749 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-749 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-749 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-749 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-749 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-749 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-749 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-760 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-760 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-760 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-760 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-760 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-760 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-760 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-760 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-760 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-767 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-800 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-800 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-800 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-800 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-800 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-800 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-800 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-800 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-800 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-800 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-845 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-845 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-845 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-845 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-853 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-853 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-853 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-853 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-853 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-853 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-853 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-854 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-854 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-857 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-857 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-857 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-857 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-857 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-857 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-857 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-857 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-857 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-857 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-858 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-859 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-859 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-859 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-859 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-859 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-939 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-939 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-939 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-939 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-939 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-939 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-939 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
469-295 A Dallas TX 9533 SOUTHWESTERN BELL 552      
469-295 9 Dallas TX 9533 SOUTHWESTERN BELL 552   2015-10-18   
972-850 4 Dallas TX 9533 SOUTHWESTERN BELL 552      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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