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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-660 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-660 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-660 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-661 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-662 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-663 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-664 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-665 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-665 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-665 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-665 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-665 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-665 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-665 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-665 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-665 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-665 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-666 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-667 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-668 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-669 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-701 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-701 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-838 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-838 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-838 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-838 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-838 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-838 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-838 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-838 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-839 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-839 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-839 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-839 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-839 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-839 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-839 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-839 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-839 9 Houston TX 9533 SOUTHWESTERN BELL 560      
832-778 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-778 2 Houston TX 9533 SOUTHWESTERN BELL 560      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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