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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-203 A Brownsville TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2007-01-15   
956-221 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-238 A Los Fresnos TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-249 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-298 A Roma TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2004-02-21   
956-310 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2008-06-01   
956-342 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-346 A Brownsville TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-357 A Harlingen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-358 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-376 A Weslaco TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-483 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2007-05-27   
956-525 A Brownsville TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-532 A Weslaco TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-551 A Brownsville TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-561 A Brownsville TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-564 A Harlingen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-566 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-638 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-893 A Harlingen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-929 A Edinburg TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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