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: 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      
630-478 1 Elmhurst IL CHCGILMF4MD  5562 METROPCS, INC. 358      
630-478 2 Elmhurst IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-478 3 Elmhurst IL CHCGILMF4MD  5562 METROPCS, INC. 358      
630-478 4 Elmhurst IL   460K FIRST COMMUNICATIONS, LLC 358      
630-478 5 Elmhurst IL CHCGILMF4MD  5562 METROPCS, INC. 358      
630-478 6 Elmhurst IL CHCGILMF4MD  5562 METROPCS, INC. 358      
630-478 7 Elmhurst IL OKBRILOAHMD  7421 AT&T - LOCAL 358      
630-478 8 Elmhurst IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-478 9 Elmhurst IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.