Local Calling Guide

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NPA: 979 [Rate centres in NPA 979] [Dial plan for NPA 979]

NXX: 583

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-583 A Angleton TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
979-583 1 Angleton TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-10-17   
979-583 2 Angleton TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2007-11-21   
979-583 3 Angleton TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-01-16   
979-583 4 Angleton TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-10-17   
979-583 5 Angleton TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2014-10-17   
979-583 6 Angleton TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-01-16   
979-583 7 Angleton TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-05-04   
979-583 8 Angleton TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2008-10-11   
979-583 9 Angleton TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-05-10   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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