Local Calling Guide

Area code/prefix search

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

NXX: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-677 A Harlingen TX HRLNTXHGXNX  965H FRACTEL, LLC 568      
956-677 0 Harlingen TX HRLNTXDU2MD  939H COMMIO, LLC 568   2024-01-20   
956-677 1 Harlingen TX HRLNTXDU2MD  939H COMMIO, LLC 568   2024-01-20   
956-677 7 Harlingen TX HRLNTXHGXNX  965H FRACTEL, LLC 568   2019-10-23   
956-677 8 Harlingen TX HRLNTXDU2MD  939H COMMIO, LLC 568   2024-01-20   
956-677 9 Harlingen TX HRLNTXDU2MD  939H COMMIO, LLC 568   2024-01-20   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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