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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-218 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-295 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-295 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-295 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-295 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-295 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-295 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-295 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-314 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-314 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-314 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-314 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-314 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-314 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-314 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-349 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-349 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-349 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-349 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-349 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-349 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-349 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-349 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-349 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-432 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-432 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-432 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-432 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-432 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-432 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-432 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-432 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-432 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-432 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-592 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-592 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-592 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-592 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-592 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-592 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-592 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-592 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-634 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-660 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-660 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-660 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-660 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-660 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-660 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-660 6 Houston TX 9533 SOUTHWESTERN BELL 560      

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Last updated: Tue, 04 May 2021 15:04:27 UTC

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