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: 523

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-523 A Roselle IL   829J PAETEC ITEL, LLC 358   2024-12-09   
630-523 0 Roselle IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
630-523 1 Roselle IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
630-523 2 Roselle IL CHCGILMF5MD  5562 METROPCS, INC. 358      
630-523 3 Roselle IL CHCGILMF5MD  5562 METROPCS, INC. 358      
630-523 4 Roselle IL CHCGILMF5MD  5562 METROPCS, INC. 358      
630-523 5 Roselle IL   829J PAETEC ITEL, LLC 358      
630-523 6 Roselle IL   829J PAETEC ITEL, LLC 358      
630-523 7 Roselle IL   829J PAETEC ITEL, LLC 358      
630-523 8 Roselle IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
630-523 9 Roselle IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.