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: 365

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-365 A Elburn IL ELBNILEURS0  9329 ILLINOIS BELL TEL CO 358      
630-365 0 Elburn IL ELBNILEURS0  9329 ILLINOIS BELL TEL CO 358      
630-365 1 Elburn IL ELBNILEURS0  9329 ILLINOIS BELL TEL CO 358      
630-365 2 Elburn IL ELBNILEURS0  9329 ILLINOIS BELL TEL CO 358      
630-365 3 Elburn IL ELBNILEURS0  9329 ILLINOIS BELL TEL CO 358      
630-365 4 Elburn IL ELBNILEURS0  9329 ILLINOIS BELL TEL CO 358      
630-365 5 Elburn IL ELBNILEURS0  9329 ILLINOIS BELL TEL CO 358      
630-365 6 Elburn IL ELBNILEURS0  9329 ILLINOIS BELL TEL CO 358      
630-365 7 Elburn IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
630-365 8 Elburn IL ELBNILEURS0  9329 ILLINOIS BELL TEL CO 358      
630-365 9 Elburn IL ELBNILEURS0  9329 ILLINOIS BELL TEL CO 358      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.