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: 439

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-439 A Roselle IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-439 0 Roselle IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-439 1 Roselle IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-439 3 Roselle IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2008-12-29   
630-439 4 Roselle IL   6529 T-MOBILE USA, INC. 358   2003-11-19   
630-439 5 Roselle IL   6529 T-MOBILE USA, INC. 358   2003-11-19   
630-439 6 Roselle IL   6529 T-MOBILE USA, INC. 358   2003-11-19   
630-439 7 Roselle IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-10-30   
630-439 8 Roselle IL CHCGIL24DS6  224C ONVOY, LLC 358   2014-08-29   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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