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      
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      
956-310 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
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      
956-374 A Los Fresnos TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-376 A Weslaco TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-410 A Los Fresnos TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-450 A Edinburg TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-483 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
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      
956-540 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-551 A Brownsville TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-556 A Los Fresnos 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      
956-593 A Weslaco TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-595 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-596 A Brownsville TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-638 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-662 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-713 A McAllen TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-805 A Weslaco 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      
956-935 A Edinburg TX 6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2025-01-23   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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