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: HSTNTXHODS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-935 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-935 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-973 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-984 9 Houston TX 9533 SOUTHWESTERN BELL 560      
832-358 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-358 0 Houston TX 9533 SOUTHWESTERN BELL 560      
832-358 2 Houston TX 9533 SOUTHWESTERN BELL 560      
832-358 8 Houston TX 9533 SOUTHWESTERN BELL 560      
832-358 9 Houston TX 9533 SOUTHWESTERN BELL 560      
832-657 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-657 0 Houston TX 9533 SOUTHWESTERN BELL 560      
832-657 8 Houston TX 9533 SOUTHWESTERN BELL 560      
832-658 3 Houston TX 9533 SOUTHWESTERN BELL 560   2014-03-24   

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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