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.

Schaumburg North, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
847-435 A SCBGILRSDS0  9329 ILLINOIS BELL TEL CO 358      
847-523 A LBVLILAQRS0  9329 ILLINOIS BELL TEL CO 358      
847-538 A SCBGILRSDS0  9329 ILLINOIS BELL TEL CO 358      
847-576 A SCBGILRSDS0  9329 ILLINOIS BELL TEL CO 358      
847-761 A SCBGILRSDS0  9329 ILLINOIS BELL TEL CO 358      
847-794 A OKBRILOAHMD  7421 AT&T - LOCAL 358      
847-794 0 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2013-10-05   
847-794 1 RLMDILAGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   1998-12-07   
847-794 2 OKBRILOAHMD  7421 AT&T - LOCAL 358      
847-794 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-09-05   
847-794 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-08-06   
847-794 5 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2007-02-11   
847-794 6 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2009-11-02   
847-794 7 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2005-05-19   
847-794 8 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-10-14   
847-794 9 CHCGIL24DS6  224C ONVOY, LLC 358   2010-07-19   
847-907 A SCBGILRSDS0  9329 ILLINOIS BELL TEL CO 358      
847-907 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-06-25   
847-907 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-06-25   
847-907 2 SCBGILRSDS0  9329 ILLINOIS BELL TEL CO 358   2000-07-01   
847-907 3 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2001-10-17   
847-907 4 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-01-27   
847-907 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-02-22   
847-907 6 SCBGILRSDS0  9329 ILLINOIS BELL TEL CO 358      
847-907 7 SCBGILRSDS0  9329 ILLINOIS BELL TEL CO 358      
847-907 8 SCBGILRSDS0  9329 ILLINOIS BELL TEL CO 358      
847-907 9 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2010-09-14   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.