Local Calling Guide

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NPA: 630 [Rate centres in NPA 630] [Dial plan for NPA 630]

NXX: 442

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-442 A Downers Grove IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-442 0 Downers Grove IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-13   
630-442 1 Downers Grove IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-13   
630-442 2 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2011-08-13   
630-442 3 Downers Grove IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-08-21   
630-442 4 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2011-09-19   
630-442 5 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358   2011-09-12   
630-442 6 Downers Grove IL OKBRILOAHMD  7421 AT&T - LOCAL 358      
630-442 7 Downers Grove IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2011-09-30   
630-442 8 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2011-10-08   
630-442 9 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2007-06-11   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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