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: 387

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-387 A Elburn IL   460K FIRST COMMUNICATIONS, LLC 358      
630-387 0 Elburn IL   4604 FIRST COMMUNICATIONS, LLC - IL 358      
630-387 1 Elburn IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
630-387 2 Elburn IL   460K FIRST COMMUNICATIONS, LLC 358      
630-387 3 Elburn IL   460K FIRST COMMUNICATIONS, LLC 358      
630-387 4 Elburn IL   224C ONVOY, LLC 358      
630-387 5 Elburn IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
630-387 6 Elburn IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
630-387 7 Elburn IL CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358      
630-387 8 Elburn IL   460K FIRST COMMUNICATIONS, LLC 358      
630-387 9 Elburn 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.