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: HSTWTXLKDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-617 A Houston Suburban TX 4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 560      
281-940 A Houston Suburban TX 4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 560      
713-933 A Houston TX 4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 560      
832-284 A Apollo TX 4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 560      
832-286 A Bammel TX 4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 560      
832-598 A Houston Suburban TX 4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 560      
832-613 A Houston TX 4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 560      
832-660 A Houston TX 4911 IONEX COMMUNICATIONS SOUTH, INC. - TX 560      

Last updated: Mon, 24 May 2021 01:28:43 UTC

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