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: DLLSTXRODS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-954 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-954 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-954 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-954 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-954 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-954 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-965 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-969 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-978 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-978 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-978 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-978 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-978 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-978 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-978 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-978 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-978 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-978 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-979 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-981 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-981 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-981 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-981 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-981 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-981 6 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-981 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-981 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-981 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-999 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-204 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-591 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-828 A Dallas TX 9533 SOUTHWESTERN BELL 552      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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