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
214-306 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-306 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-429 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-429 2 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-431 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-431 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-431 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-479 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-479 0 Dallas TX 9533 SOUTHWESTERN BELL 552   2010-12-01   
214-479 1 Dallas TX 9533 SOUTHWESTERN BELL 552   2010-12-01   
214-479 2 Dallas TX 9533 SOUTHWESTERN BELL 552   2010-12-01   
214-479 3 Dallas TX 9533 SOUTHWESTERN BELL 552   2010-12-01   
214-479 4 Dallas TX 9533 SOUTHWESTERN BELL 552   2010-12-01   
214-479 5 Dallas TX 9533 SOUTHWESTERN BELL 552   2010-12-01   
214-479 6 Dallas TX 9533 SOUTHWESTERN BELL 552   2010-12-01   
214-479 7 Dallas TX 9533 SOUTHWESTERN BELL 552   2010-12-01   
214-479 8 Dallas TX 9533 SOUTHWESTERN BELL 552   2010-12-01   
214-479 9 Dallas TX 9533 SOUTHWESTERN BELL 552   2010-12-01   
214-480 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-480 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-480 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-480 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
214-567 A Dallas TX 9533 SOUTHWESTERN BELL 552      
469-204 A Dallas TX 9533 SOUTHWESTERN BELL 552      
469-204 0 Dallas TX 9533 SOUTHWESTERN BELL 552   2013-03-28   
469-204 1 Dallas TX 9533 SOUTHWESTERN BELL 552   2013-03-28   
469-204 2 Dallas TX 9533 SOUTHWESTERN BELL 552   2013-03-28   
469-204 3 Dallas TX 9533 SOUTHWESTERN BELL 552   2013-03-28   
469-204 4 Dallas TX 9533 SOUTHWESTERN BELL 552   2013-03-28   
469-204 5 Dallas TX 9533 SOUTHWESTERN BELL 552   2013-03-28   
469-204 6 Dallas TX 9533 SOUTHWESTERN BELL 552   2013-03-28   
469-204 7 Dallas TX 9533 SOUTHWESTERN BELL 552   2013-03-28   
469-204 8 Dallas TX 9533 SOUTHWESTERN BELL 552   2013-03-28   
469-204 9 Dallas TX 9533 SOUTHWESTERN BELL 552   2013-03-28   
469-372 A Dallas TX 9533 SOUTHWESTERN BELL 552      
469-372 8 Dallas TX 9533 SOUTHWESTERN BELL 552      
469-372 9 Dallas TX 9533 SOUTHWESTERN BELL 552      
469-593 A Dallas TX 9533 SOUTHWESTERN BELL 552      
469-730 7 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-231 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-234 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-235 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-238 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-301 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-301 0 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-301 1 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-301 3 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-301 4 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-301 5 Dallas TX 9533 SOUTHWESTERN BELL 552      
972-301 6 Dallas TX 9533 SOUTHWESTERN BELL 552      

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

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