Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 CHCGILWUJMD  073H TELNYX LLC 358   2019-03-21   
630-403 1 Glen Ellyn IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
630-403 2 Glen Ellyn IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358   2007-08-02   
630-403 3 Glen Ellyn IL CHCGILDTKMD  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 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-11-26   
630-403 6 Glen Ellyn IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-07-17   
630-403 7 Glen Ellyn IL CHCGIL24DS6  224C ONVOY, LLC 358   2010-02-14   
630-403 8 Glen Ellyn IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-08   
630-403 9 Glen Ellyn IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.