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: 582

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-582 A San Perlita TX HRLNTXHGXFX  508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-582 0 San Perlita TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2018-12-24   
956-582 7 San Perlita TX   508J CENTURYLINK COMMUNICATIONS, LLC 568   2016-07-09   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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