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: HSTNTXNADS1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-402 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-402 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-402 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-402 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-402 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-402 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-402 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-403 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-418 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-418 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-418 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-418 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-418 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-418 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-418 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-418 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-418 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-439 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-497 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-499 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-499 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-499 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-499 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-499 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-499 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-499 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-499 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-499 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-513 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-513 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-513 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-513 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-513 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-513 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-513 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-513 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-513 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-552 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-552 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-552 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-552 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-552 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-552 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-552 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-552 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-552 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-552 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-584 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-584 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-584 2 Houston TX 9533 SOUTHWESTERN BELL 560      

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

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