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
713-799 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   2014-03-24   
832-658 5 Houston TX 9533 SOUTHWESTERN BELL 560   2014-03-24   
832-658 6 Houston TX 9533 SOUTHWESTERN BELL 560   2014-03-24   
832-658 7 Houston TX 9533 SOUTHWESTERN BELL 560   2014-03-24   
832-658 8 Houston TX 9533 SOUTHWESTERN BELL 560   2014-03-24   
832-733 A Houston TX 9533 SOUTHWESTERN BELL 560      
832-733 0 Houston TX 9533 SOUTHWESTERN BELL 560   2013-05-11   
832-733 1 Houston TX 9533 SOUTHWESTERN BELL 560   2013-05-11   
832-733 2 Houston TX 9533 SOUTHWESTERN BELL 560   2013-05-11   
832-733 3 Houston TX 9533 SOUTHWESTERN BELL 560   2013-05-11   
832-733 4 Houston TX 9533 SOUTHWESTERN BELL 560   2013-05-11   
832-733 5 Houston TX 9533 SOUTHWESTERN BELL 560   2013-05-11   

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

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