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: HSTNTXSUDS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-532 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-532 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-532 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-532 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-532 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-532 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-532 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-536 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-587 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-587 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-587 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-587 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-587 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-587 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-587 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-689 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-689 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-689 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-689 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-689 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-689 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-689 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-706 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-735 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-780 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-781 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-782 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-783 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-784 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-785 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-787 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-788 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-788 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-788 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-788 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-788 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-788 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-789 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-808 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-808 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-808 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-808 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-808 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-878 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-878 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-878 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-914 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-917 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-918 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-918 0 Houston TX 9533 SOUTHWESTERN BELL 560      

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

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