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: DLLSTXTADS0

Remotes:

Switch Switch name Switch type
DLLSTXADRS3  ADDISON  5ER 
DLLSTXFBRS2  FARMERS BRANCH  5ER 
DLLSTXGPRS2  GRAND PRAIRIE  5ER 
DLLSTXRERS2  DALLAS  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-370 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-370 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-370 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-370 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-370 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-370 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-370 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-370 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-370 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-370 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-456 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-515 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-515 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-515 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-515 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-515 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-515 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-515 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-515 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-515 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-539 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-584 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-584 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-584 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-584 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-730 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-730 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-818 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-820 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-821 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-823 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-824 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-826 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-827 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-828 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-828 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-828 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-828 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-828 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-828 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-828 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-828 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-828 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-828 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-841 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-860 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-860 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-860 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-860 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-860 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-860 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-860 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-860 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-860 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-861 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-861 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-861 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-861 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-863 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-863 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-863 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-863 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-863 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-863 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-863 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-863 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-863 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-865 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-865 1 Dallas TX 9533 SOUTHWESTERN BELL 552   2011-10-16   
214-865 2 Dallas TX 9533 SOUTHWESTERN BELL 552   2011-10-16   
214-865 3 Dallas TX 9533 SOUTHWESTERN BELL 552   2011-10-16   
214-865 4 Dallas TX 9533 SOUTHWESTERN BELL 552   2011-10-16   
214-865 5 Dallas TX 9533 SOUTHWESTERN BELL 552   2011-10-16   
214-867 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-874 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-874 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-874 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-874 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-874 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-874 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-887 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-989 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-989 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-989 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-989 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-989 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
469-334 A Dallas TX 9533 SOUTHWESTERN BELL 552      
469-334 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
469-832 A Dallas TX 9533 SOUTHWESTERN BELL 552      
469-832 0 Dallas TX 9533 SOUTHWESTERN BELL 552   2016-06-23   
469-832 1 Dallas TX 9533 SOUTHWESTERN BELL 552   2016-06-23   
469-832 2 Dallas TX 9533 SOUTHWESTERN BELL 552   2016-06-23   
469-832 3 Dallas TX 9533 SOUTHWESTERN BELL 552   2016-06-23   
469-832 4 Dallas TX 9533 SOUTHWESTERN BELL 552   2016-06-23   
469-832 5 Dallas TX 9533 SOUTHWESTERN BELL 552   2016-06-23   
469-832 6 Dallas TX 9533 SOUTHWESTERN BELL 552   2016-06-23   
469-832 7 Dallas TX 9533 SOUTHWESTERN BELL 552   2016-06-23   
469-832 8 Dallas TX 9533 SOUTHWESTERN BELL 552   2016-06-23   
469-832 9 Dallas TX 9533 SOUTHWESTERN BELL 552   2016-06-23   

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

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