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: HSTNTXREDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-264 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-264 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-264 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-264 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-547 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-731 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-731 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-731 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-731 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-731 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-731 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-731 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-731 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-731 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-731 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-732 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-732 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-732 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-733 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-734 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-738 A Houston TX 9533 SOUTHWESTERN BELL 560      

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

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