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: HSTNTXMCDS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-770 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-770 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-770 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-770 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-770 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-770 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-770 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-770 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-790 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-791 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-791 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-791 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-791 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-791 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-791 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-791 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-792 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-793 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-793 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-793 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-793 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-793 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-793 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-793 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-793 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-793 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-793 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-794 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-794 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-794 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-794 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-794 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-794 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-794 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-794 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-794 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-794 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-795 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-796 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-797 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-797 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-797 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-797 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-797 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-797 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-797 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-797 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-797 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-797 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-798 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-799 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-799 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-799 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-799 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-799 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-799 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-799 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-799 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-799 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-799 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-834 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-834 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-834 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-852 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-852 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-852 1 Houston TX 9533 SOUTHWESTERN BELL 560      
713-852 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-852 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-852 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-852 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-852 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-852 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-852 9 Houston TX 9533 SOUTHWESTERN BELL 560      
713-873 A Houston TX 9533 SOUTHWESTERN BELL 560      
713-873 0 Houston TX 9533 SOUTHWESTERN BELL 560      
713-873 2 Houston TX 9533 SOUTHWESTERN BELL 560      
713-873 3 Houston TX 9533 SOUTHWESTERN BELL 560      
713-873 4 Houston TX 9533 SOUTHWESTERN BELL 560      
713-873 5 Houston TX 9533 SOUTHWESTERN BELL 560      
713-873 6 Houston TX 9533 SOUTHWESTERN BELL 560      
713-873 7 Houston TX 9533 SOUTHWESTERN BELL 560      
713-873 8 Houston TX 9533 SOUTHWESTERN BELL 560      
713-873 9 Houston TX 9533 SOUTHWESTERN BELL 560      
832-354 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-355 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-398 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-398 7 Houston TX 9533 SOUTHWESTERN BELL 560      
832-658 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-658 4 Houston TX 9533 SOUTHWESTERN BELL 560      
832-658 5 Houston TX 9533 SOUTHWESTERN BELL 560      
832-658 6 Houston TX 9533 SOUTHWESTERN BELL 560      
832-658 7 Houston TX 9533 SOUTHWESTERN BELL 560      
832-658 8 Houston TX 9533 SOUTHWESTERN BELL 560      
832-733 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-733 0 Houston TX 9533 SOUTHWESTERN BELL 560      
832-733 1 Houston TX 9533 SOUTHWESTERN BELL 560      
832-733 2 Houston TX 9533 SOUTHWESTERN BELL 560      
832-733 3 Houston TX 9533 SOUTHWESTERN BELL 560      
832-733 4 Houston TX 9533 SOUTHWESTERN BELL 560      
832-733 5 Houston TX 9533 SOUTHWESTERN BELL 560      

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

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