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: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-366 A Hinsdale IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-366 0 Hinsdale IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
630-366 1 Hinsdale IL   224C ONVOY, LLC 358      
630-366 2 Hinsdale IL   460K FIRST COMMUNICATIONS, LLC 358      
630-366 3 Hinsdale IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
630-366 4 Hinsdale IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
630-366 5 Hinsdale IL CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358      
630-366 6 Hinsdale IL   224C ONVOY, LLC 358      
630-366 7 Hinsdale IL   460K FIRST COMMUNICATIONS, LLC 358      
630-366 8 Hinsdale IL   829J PAETEC ITEL, LLC 358      
630-366 9 Hinsdale IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.