Local Calling Guide

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NPA: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

NXX: 540

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-540 A McAllen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-540 0 McAllen TX   5562 METROPCS, INC. 568   2017-03-03   
956-540 1 McAllen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2017-12-07   
956-540 2 McAllen TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-15   
956-540 3 McAllen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2017-12-07   
956-540 4 McAllen TX   197D VONAGE AMERICA LLC 568   2018-12-01   
956-540 5 McAllen TX   903C ONVOY, LLC - TX 568   2017-04-27   
956-540 6 McAllen TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 568   2017-06-15   
956-540 7 McAllen TX   793K TWC IP ENABLED SERVICES, LLC 568   2017-08-31   
956-540 8 McAllen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2016-06-04   
956-540 9 McAllen TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2016-06-04   

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

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