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: HSTNTXNADS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-215 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-232 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-232 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-232 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-232 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-232 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-232 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-232 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-232 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-232 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-277 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-350 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-355 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-355 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-355 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-355 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-355 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-355 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-355 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-366 5 Houston TX 9533 SOUTHWESTERN BELL 560   2002-10-06   
713-388 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-388 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-407 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-438 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-438 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-438 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-438 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-438 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-469 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-469 6 Houston TX 9533 SOUTHWESTERN BELL 560   2008-10-12   
713-479 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-543 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-543 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-543 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-543 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-543 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-543 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-543 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-543 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-544 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-548 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-548 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-548 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-548 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-548 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-548 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-548 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-561 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-561 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-561 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-561 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-561 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-561 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-572 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-572 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-572 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-572 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-572 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-572 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-572 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-572 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-572 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-625 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-626 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-627 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-629 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-693 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-843 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-843 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-843 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-843 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-843 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-843 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-843 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-843 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-843 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-843 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-881 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-881 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-881 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-881 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-881 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-881 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-881 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-881 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-881 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-881 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-892 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-892 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-892 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-892 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-892 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-892 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-892 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-892 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-892 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-985 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-985 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-985 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-985 3 Houston TX 9533 SOUTHWESTERN BELL 560      

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Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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