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: 324

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-324 A Downers Grove IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
630-324 0 Downers Grove IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-12-14   
630-324 1 Downers Grove IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2000-08-07   
630-324 2 Downers Grove IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2000-03-07   
630-324 3 Downers Grove IL DWGVILDGDS0  9329 ILLINOIS BELL TEL CO 358   2000-06-19   
630-324 4 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358   2004-09-15   
630-324 5 Downers Grove IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2000-08-04   
630-324 6 Downers Grove IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-07-23   
630-324 7 Downers Grove IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2000-03-07   
630-324 8 Downers Grove IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2000-04-17   
630-324 9 Downers Grove IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.