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: 224

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-224 A Roma TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-224 0 Roma TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2004-07-03   
956-224 6 Roma TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2009-05-09   
956-224 7 Roma TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2009-05-09   
956-224 8 Roma TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2010-10-02   
956-224 9 Roma TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2010-06-24   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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