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: HRLNTXATTMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-696 8 Rio Grande City TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2022-09-01   
956-708 2 Brownsville TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2015-04-30   
956-731 3 McAllen TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2017-10-02   
956-772 0 Port Isabel TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2013-04-29   
956-800 6 McAllen TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2013-08-26   
956-866 8 Brownsville TX 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2021-03-16   
956-887 6 La Feria TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2018-04-27   
956-904 2 Pharr TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2014-08-08   
956-904 4 Pharr TX 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 568   2009-12-31   

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

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