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: 492

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-492 A Harlingen TX HRLNTXDUDMD  700J WAVENATION, LLC 568      
956-492 0 Harlingen TX HRLNTXDU2MD  939H COMMIO, LLC 568   2024-01-20   
956-492 1 Harlingen TX HRLNTXDUDMD  700J WAVENATION, LLC 568   2026-03-14   
956-492 9 Harlingen TX HRLNTXDU2MD  939H COMMIO, LLC 568   2024-01-20   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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