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: HRLNTXHGMMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-935 9 Edinburg TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2025-01-24   
956-943 9 Port Isabel TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2012-11-24   
956-954 0 Brownsville TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2024-11-16   
956-957 9 Edinburg TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2023-12-31   
956-996 A Mission TX 004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-996 0 Mission TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-08-25   
956-997 3 Mission TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-25   
956-997 4 Mission TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-25   
956-997 5 Mission TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-25   
956-997 6 Mission TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-25   
956-998 3 Weslaco TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-05-10   
956-998 4 Weslaco TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-05-10   
956-998 5 Weslaco TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2013-03-28   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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