Local Calling Guide

Area code/prefix search

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

NXX: 478

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-478 A Elmhurst IL OKBRILOAHMD  7421 AT&T - LOCAL 358      
630-478 0 Elmhurst IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-07-02   
630-478 1 Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358   2011-07-18   
630-478 2 Elmhurst IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-01-14   
630-478 3 Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358   2011-07-18   
630-478 4 Elmhurst IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2011-07-18   
630-478 5 Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358   2011-08-29   
630-478 6 Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358   2011-08-29   
630-478 7 Elmhurst IL OKBRILOAHMD  7421 AT&T - LOCAL 358      
630-478 8 Elmhurst IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-10-01   
630-478 9 Elmhurst IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-10-29   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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