Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

NXX: 444

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-444 A Harlingen TX HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-444 0 Harlingen TX HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-444 1 Harlingen TX HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-444 2 Harlingen TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2006-07-07   
956-444 3 Harlingen TX HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-444 4 Harlingen TX HRLNTXHGXNX  965H FRACTEL, LLC 568   2020-07-12   
956-444 5 Harlingen TX HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-444 6 Harlingen TX HRLNTXHGXKX  624H ONVOY SPECTRUM, LLC 568   2021-11-19   
956-444 7 Harlingen TX HRLNTXHGDS0  9533 SOUTHWESTERN BELL 568      
956-444 8 Harlingen TX HRLNTXHGXKX  624H ONVOY SPECTRUM, LLC 568   2021-11-19   
956-444 9 Harlingen TX MCALTX930MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2022-12-08   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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