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: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-990 A Harlingen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-990 0 Harlingen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-03-03   
956-990 1 Harlingen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-03-03   
956-990 2 Harlingen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-03-03   
956-990 3 Harlingen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-03-03   
956-990 4 Harlingen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-03-03   
956-990 5 Harlingen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-03-03   
956-990 6 Harlingen TX HRLNTXHGXKX  624H ONVOY SPECTRUM, LLC 568   2022-02-21   
956-990 7 Harlingen TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2015-02-27   
956-990 8 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2012-12-08   
956-990 9 Harlingen TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2012-12-08   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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