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: HRLNTXFPDMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-230 9 Harlingen TX 776A VTX COMMUNICATIONS, LLC 568   2016-06-06   
956-254 4 Los Fresnos TX 776A VTX COMMUNICATIONS, LLC 568   2016-06-06   
956-294 8 Mercedes TX 776A VTX COMMUNICATIONS, LLC 568   2016-06-06   
956-395 0 Rio Hondo TX 776A VTX COMMUNICATIONS, LLC 568   2016-06-06   
956-403 0 Pharr TX 776A VTX COMMUNICATIONS, LLC 568   2016-06-06   
956-513 9 Edinburg TX 776A VTX COMMUNICATIONS, LLC 568   2016-06-06   
956-567 8 Edcouch TX 776A VTX COMMUNICATIONS, LLC 568   2016-06-06   
956-747 0 Brownsville TX 776A VTX COMMUNICATIONS, LLC 568   2016-07-04   
956-803 4 McAllen TX 776A VTX COMMUNICATIONS, LLC 568   2016-07-25   
956-934 8 San Benito TX 776A VTX COMMUNICATIONS, LLC 568   2016-06-06   
956-997 2 Mission TX 776A VTX COMMUNICATIONS, LLC 568   2016-07-25   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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