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.

Elgin, IL

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
847-531 5 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   2001-07-17   
847-531 6 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   2001-07-17   
847-531 7 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   2001-10-22   
847-531 8 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   2001-10-22   
847-531 9 EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2005-11-04   
847-608 A ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358      
847-622 A ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358      
847-628 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-628 0 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-628 1 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-628 2 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-628 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-628 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-628 5 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-628 6 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   2002-02-04   
847-628 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-628 8 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-628 9 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-695 A ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358      
847-697 A ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358      
847-717 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
847-717 0 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   2002-02-04   
847-717 1 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
847-717 2 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
847-717 3 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   2000-08-11   
847-717 4 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   2000-08-11   
847-717 5 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   2000-08-11   
847-717 6 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   2000-08-11   
847-717 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2000-06-05   
847-717 8 CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358   2006-01-20   
847-717 9 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
847-741 A ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358      
847-742 A ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358      
847-760 A EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
847-760 0 EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
847-760 1 EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
847-760 2 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   1998-07-22   
847-760 3 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   1998-07-22   
847-760 4 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   1998-09-15   
847-760 5 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   1998-09-15   
847-760 6 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   2002-02-04   
847-760 7 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   1998-09-15   
847-760 8 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   1998-09-15   
847-760 9 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2000-08-07   
847-841 A EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
847-841 0 EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
847-841 1 ELGNILELDS0  9329 ILLINOIS BELL TEL CO 358   2002-02-04   
847-841 2 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
847-841 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   1999-07-21   
847-841 4 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-05-25   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.