Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 630 [Rate centres in NPA 630] [Dial plan for NPA 630]

NXX: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-403 A Glen Ellyn IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
630-403 0 Glen Ellyn IL   073H TELNYX LLC 358   2019-03-21   
630-403 1 Glen Ellyn IL   829J PAETEC ITEL, LLC 358      
630-403 2 Glen Ellyn IL   8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358   2007-08-02   
630-403 3 Glen Ellyn IL   5447 ACCESS ONE, INC. - IL 358   2006-01-22   
630-403 4 Glen Ellyn IL   145J TERRA NOVA TELECOM INC. 358   2021-06-16   
630-403 5 Glen Ellyn IL   624H ONVOY SPECTRUM, LLC 358   2021-11-26   
630-403 6 Glen Ellyn IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-07-17   
630-403 7 Glen Ellyn IL   224C ONVOY, LLC 358   2010-02-14   
630-403 8 Glen Ellyn IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-08   
630-403 9 Glen Ellyn IL   829J PAETEC ITEL, LLC 358      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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