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: 719

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-719 A Rio Hondo TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2024-07-06   
956-719 0 Rio Hondo TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568   2024-07-06   
956-719 1 Rio Hondo TX   515J IP HORIZON LLC 568   2025-05-04   
956-719 2 Rio Hondo TX   515J IP HORIZON LLC 568   2025-05-04   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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