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
713-985 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-985 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-985 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-985 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-985 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-989 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-238 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-238 0 Houston TX 9533 SOUTHWESTERN BELL 560      
832-238 2 Houston TX 9533 SOUTHWESTERN BELL 560      
832-238 3 Houston TX 9533 SOUTHWESTERN BELL 560      
832-238 4 Houston TX 9533 SOUTHWESTERN BELL 560      
832-238 5 Houston TX 9533 SOUTHWESTERN BELL 560      
832-238 6 Houston TX 9533 SOUTHWESTERN BELL 560      
832-238 7 Houston TX 9533 SOUTHWESTERN BELL 560      
832-238 8 Houston TX 9533 SOUTHWESTERN BELL 560      
832-238 9 Houston TX 9533 SOUTHWESTERN BELL 560      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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