Local Calling Guide

Area code/prefix search

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NPA: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

NXX: 200

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-200 A Harlingen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-200 0 Harlingen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-07-02   
956-200 1 Harlingen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-06-14   
956-200 2 Harlingen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-06-14   
956-200 3 Harlingen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   
956-200 4 Harlingen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   
956-200 5 Harlingen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   
956-200 6 Harlingen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   
956-200 7 Harlingen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   
956-200 8 Harlingen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   
956-200 9 Harlingen TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-02-17   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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