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: FRSCTXWERS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
469-362 0 Frisco TX 9533 SOUTHWESTERN BELL 552   2004-05-02   
469-362 4 Frisco TX 9533 SOUTHWESTERN BELL 552   2004-05-02   
469-362 9 Frisco TX 9533 SOUTHWESTERN BELL 552   2004-05-02   
972-292 A Frisco EACS TX 9533 SOUTHWESTERN BELL 552      
972-292 1 Frisco EACS TX 9533 SOUTHWESTERN BELL 552      
972-292 2 Frisco EACS TX 9533 SOUTHWESTERN BELL 552      
972-292 3 Frisco EACS TX 9533 SOUTHWESTERN BELL 552      
972-294 A Frisco EACS TX 9533 SOUTHWESTERN BELL 552      
972-294 0 Frisco EACS TX 9533 SOUTHWESTERN BELL 552      
972-294 1 Frisco EACS TX 9533 SOUTHWESTERN BELL 552      
972-294 2 Frisco EACS TX 9533 SOUTHWESTERN BELL 552      
972-294 4 Frisco EACS TX 9533 SOUTHWESTERN BELL 552      
972-294 8 Frisco EACS TX 9533 SOUTHWESTERN BELL 552      
972-987 4 Frisco TX 9533 SOUTHWESTERN BELL 552   2007-06-05   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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