Local Calling Guide

Area code/prefix search

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

NXX: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-646 A Donna TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-646 0 Donna TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2022-01-02   
956-646 1 Donna TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2022-02-26   
956-646 2 Donna TX   515J IP HORIZON LLC 568   2022-03-31   
956-646 3 Donna TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2023-05-30   
956-646 4 Donna TX HRLNTXKX8MD  5562 METROPCS, INC. 568   2022-01-03   
956-646 5 Donna TX HRLNTXKX8MD  5562 METROPCS, INC. 568   2022-01-03   
956-646 7 Donna TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2023-08-12   
956-646 8 Donna TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2022-10-29   
956-646 9 Donna TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2022-10-29   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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