Local Calling Guide

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NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX: 642

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-642 A Elmhurst IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-642 0 Elmhurst IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
331-642 1 Elmhurst IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-04-18   
331-642 2 Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358   2010-07-15   
331-642 3 Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358   2010-07-15   
331-642 4 Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358   2010-07-15   
331-642 5 Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358   2010-07-15   
331-642 6 Elmhurst IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2010-04-09   
331-642 7 Elmhurst IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-08-14   
331-642 8 Elmhurst IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-11-27   
331-642 9 Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358   2011-08-29   

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

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