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: 808

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-808 A Harlingen TX HRLNTXDU7MD  145J TERRA NOVA TELECOM INC. 568      
956-808 8 Harlingen TX   145J TERRA NOVA TELECOM INC. 568   2022-07-30   

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

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