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: HSTNTXSUDS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-918 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-918 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-918 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-918 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-918 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-918 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-918 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-952 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-953 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-954 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-972 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-972 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-972 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-972 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-972 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-972 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-972 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-974 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-975 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-977 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-978 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-978 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-978 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-978 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-978 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-978 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-978 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-978 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-978 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-978 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-994 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-488 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-488 1 Houston TX 9533 SOUTHWESTERN BELL 560      
832-591 2 Houston TX 9533 SOUTHWESTERN BELL 560      
832-591 3 Houston TX 9533 SOUTHWESTERN BELL 560      
832-765 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-765 0 Houston TX 9533 SOUTHWESTERN BELL 560      
832-765 1 Houston TX 9533 SOUTHWESTERN BELL 560      
832-765 2 Houston TX 9533 SOUTHWESTERN BELL 560      
832-765 3 Houston TX 9533 SOUTHWESTERN BELL 560      
832-765 4 Houston TX 9533 SOUTHWESTERN BELL 560      
832-765 5 Houston TX 9533 SOUTHWESTERN BELL 560      
832-765 6 Houston TX 9533 SOUTHWESTERN BELL 560      
832-765 7 Houston TX 9533 SOUTHWESTERN BELL 560      
832-765 8 Houston TX 9533 SOUTHWESTERN BELL 560      
832-765 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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