Local Calling Guide

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

NXX: 251

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-251 A Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-251 0 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2013-02-01   
331-251 1 Downers Grove IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-03-20   
331-251 2 Downers Grove IL CHCGILTCDS4  7056 XO ILLINOIS, INC. 358   2013-03-05   
331-251 3 Downers Grove IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-03-20   
331-251 4 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2013-10-28   
331-251 5 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2013-11-28   
331-251 6 Downers Grove IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2013-12-01   
331-251 7 Downers Grove IL CHCGILDT8MD  508J CENTURYLINK COMMUNICATIONS, LLC 358   2013-06-28   
331-251 8 Downers Grove IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-03-20   
331-251 9 Downers Grove IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2013-12-06   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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