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
713-212 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-212 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-212 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-212 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-212 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-212 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-212 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-212 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-212 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-212 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-235 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-235 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-235 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-235 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-235 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-235 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-235 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-235 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-235 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-235 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-296 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-296 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-296 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-296 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-296 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-296 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-296 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-296 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-296 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-297 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-297 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-297 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-297 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-297 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-297 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-297 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-297 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-297 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-297 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-386 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-386 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-386 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-386 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-386 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-386 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-386 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-386 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-396 7 Houston TX 9533 SOUTHWESTERN BELL 560   2010-12-29   
713-402 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-402 0 Houston TX 9533 SOUTHWESTERN BELL 560      

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

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