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: HSTNTXWADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-514 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-514 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-514 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-514 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-514 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-921 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-923 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-923 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-923 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-923 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-923 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-923 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-923 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-923 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-923 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-923 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-924 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-924 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-924 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-924 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-924 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-924 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-924 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-924 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-924 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-926 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-926 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-926 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-926 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-926 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-926 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-926 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-926 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-926 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-926 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-928 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-928 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-928 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-928 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-928 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-928 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-928 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-928 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-928 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-967 A Houston TX 9533 SOUTHWESTERN BELL 560      

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

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