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: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-407 A Wheaton IL WHTNILWHRS0  9329 ILLINOIS BELL TEL CO 358      
630-407 0 Wheaton IL WHTNILWHRS0  9329 ILLINOIS BELL TEL CO 358      
630-407 1 Wheaton IL CHCGIL24DS6  224C ONVOY, LLC 358   2014-04-17   
630-407 2 Wheaton IL WHTNILWHDS0  9329 ILLINOIS BELL TEL CO 358      
630-407 3 Wheaton IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2009-10-20   
630-407 4 Wheaton IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-03-02   
630-407 5 Wheaton IL WHTNILWHDS0  9329 ILLINOIS BELL TEL CO 358      
630-407 6 Wheaton IL WHTNILWHDS0  9329 ILLINOIS BELL TEL CO 358      
630-407 7 Wheaton IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-03-02   
630-407 8 Wheaton IL WHTNILWHDS0  9329 ILLINOIS BELL TEL CO 358      
630-407 9 Wheaton IL   515J IP HORIZON LLC 358   2013-08-26   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.