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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-256 A Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-256 0 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-07-26   
956-256 1 Rio Grande City TX HRLNTXKX7MD  5562 METROPCS, INC. 568   2009-02-28   
956-256 2 Rio Grande City TX HRLNTXKX7MD  5562 METROPCS, INC. 568   2009-02-28   
956-256 3 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2009-03-13   
956-256 4 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2009-03-13   
956-256 5 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2009-03-13   
956-256 6 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2014-09-26   
956-256 7 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2014-11-14   
956-256 8 Rio Grande City TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2014-11-14   
956-256 9 Rio Grande City TX HRLNTXKX7MD  5562 METROPCS, INC. 568   2009-07-18   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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