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.
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Switch: HSTNTXGIDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-202 A Richmond-Rosenberg TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-204 A Apollo TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-205 A Tomball TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-249 A Houston Suburban TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-506 A Houston Suburban TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-571 A Satsuma TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-654 A Bammel TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-691 A Baytown TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-836 A Bammel TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-848 A Houston Suburban TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-885 A Bammel TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-925 A Houston Suburban TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
346-259 A Baytown TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-353 A Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-431 A Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-570 A Houston Suburban TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-575 A Houston Suburban TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-821 A Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-830 A Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-848 A Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-860 A Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-986 A Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
713-997 A Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
832-254 A Houston TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
832-739 A Barker TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
832-762 A Houston Suburban TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
832-772 A Barker TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
832-806 A Baytown TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
979-358 A Wharton TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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