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: 607

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-607 A Elmhurst IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
630-607 0 Elmhurst IL   318J COMCAST IP PHONE, LLC 358   2011-09-30   
630-607 1 Elmhurst IL   829J PAETEC ITEL, LLC 358   2006-12-28   
630-607 2 Elmhurst IL   5562 METROPCS, INC. 358   2004-02-23   
630-607 3 Elmhurst IL   8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
630-607 4 Elmhurst IL   5562 METROPCS, INC. 358   2004-02-23   
630-607 5 Elmhurst IL   5447 ACCESS ONE, INC. - IL 358   2006-01-22   
630-607 6 Elmhurst IL   224C ONVOY, LLC 358   2008-08-18   
630-607 7 Elmhurst IL   829J PAETEC ITEL, LLC 358   2005-10-15   
630-607 8 Elmhurst IL   5562 METROPCS, INC. 358   2004-11-01   
630-607 9 Elmhurst IL   5562 METROPCS, INC. 358   2003-01-01   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.