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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-544 A Naperville IL CHCGILWUDS0  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
630-544 0 Naperville IL   6529 T-MOBILE USA, INC. 358   2003-10-09   
630-544 1 Naperville IL   6529 T-MOBILE USA, INC. 358   2003-02-07   
630-544 2 Naperville IL   4717 PAETEC COMMUNICATIONS, INC. - IL 358   2001-08-15   
630-544 3 Naperville IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2002-08-27   
630-544 4 Naperville IL   6529 T-MOBILE USA, INC. 358   2003-02-07   
630-544 5 Naperville IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
630-544 6 Naperville IL   667E SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE 358   2001-01-11   
630-544 7 Naperville IL   6529 T-MOBILE USA, INC. 358   2003-02-07   
630-544 8 Naperville IL   6529 T-MOBILE USA, INC. 358   2003-02-07   
630-544 9 Naperville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2003-04-28   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.