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: HSTNTX01DS5

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
832-839 7 Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2015-03-13   
832-839 8 Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2015-03-13   
832-839 9 Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2015-03-13   
832-849 4 Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2013-11-26   
832-973 4 Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2014-05-12   
832-973 5 Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2014-05-12   
832-973 6 Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2014-05-12   
832-973 7 Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2014-05-12   
832-973 8 Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2014-05-12   
832-993 3 Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2013-10-29   
832-995 4 Humble TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2015-05-18   

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

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