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 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-306 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-429 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-431 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-479 A Dallas TX 9533 SOUTHWESTERN BELL 552   2010-12-01   
214-480 A Dallas TX 9533 SOUTHWESTERN BELL 552      
214-567 A Dallas TX 9533 SOUTHWESTERN BELL 552      
469-372 A Dallas TX 9533 SOUTHWESTERN BELL 552      
469-593 A 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      
972-344 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-437 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-470 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-479 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-480 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-497 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-498 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-528 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-638 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-643 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-644 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-664 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-669 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-671 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-680 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-690 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-699 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-705 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-744 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-761 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-773 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-783 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-808 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-883 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-889 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-907 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-917 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-918 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-927 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-952 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-994 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-995 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-996 A Dallas TX 9533 SOUTHWESTERN BELL 552      
972-997 A Dallas TX 9533 SOUTHWESTERN BELL 552      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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