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.

Lake Zurich, IL

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
224-286 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
224-286 0 CHCGIL24XMD  495J STRATUS NETWORKS 358   2020-09-26   
224-286 1 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
224-286 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2024-01-16   
224-286 3 CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-01   
224-286 4 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
224-286 5 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2019-05-18   
224-286 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-12-22   
224-286 7 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2005-12-01   
224-286 8 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2005-12-01   
224-320 A CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
224-438 A OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
224-438 0 CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
224-438 1 CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
224-438 2 OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2021-12-27   
224-438 3 OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2021-12-27   
224-438 4 OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2021-12-27   
224-438 5 OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2021-12-27   
224-438 6 OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2021-12-27   
224-438 7 CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358   2022-02-04   
224-438 8 CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
224-438 9 CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
224-597 A CHCGIL24DS6  224C ONVOY, LLC 358   2024-05-02   
224-597 0 CHCGIL24DS6  224C ONVOY, LLC 358   2024-05-02   
224-597 1 CHCGIL24DS6  224C ONVOY, LLC 358   2024-05-02   
224-597 2 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2024-11-11   
224-597 5 OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2025-01-20   
224-597 8 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2024-05-06   
224-597 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2024-05-06   
224-662 A CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
224-662 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-06-02   
224-662 1 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-06-02   
224-662 2 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2015-02-05   
224-662 3 CHCGIL24DS6  224C ONVOY, LLC 358   2016-03-14   
224-662 4 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2015-03-20   
224-662 5 CHCGIL24DS6  224C ONVOY, LLC 358   2016-03-14   
224-662 6 CHCGIL24DS6  224C ONVOY, LLC 358   2016-05-01   
224-662 7 CHCGIL24DS6  224C ONVOY, LLC 358   2016-05-01   
224-662 8 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2019-06-16   
224-662 9 CHCGILWUJMD  073H TELNYX LLC 358   2017-04-24   
224-677 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
224-677 0 CHCGIL24DS6  224C ONVOY, LLC 358   2023-09-11   
224-677 1 CHCGIL24DS6  224C ONVOY, LLC 358   2020-08-07   
224-677 2 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-04-22   
224-677 3 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-09-10   
224-677 5 CHCGILCLXOX  516C AT&T CORP. 358   2006-06-30   
224-677 6 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2014-02-10   
224-677 7 CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358   2006-08-06   
224-677 8 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2009-11-10   
224-677 9 CHCGIL24DS6  224C ONVOY, LLC 358   2020-08-07   
847-307 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
847-307 0 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
847-307 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-01-11   
847-307 2 LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358   2001-04-26   
847-307 3 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-12-11   
847-307 4 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   1999-06-25   
847-307 5 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-03-29   
847-307 6 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-07-16   
847-307 7 CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-01   
847-307 8 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   1999-04-13   
847-307 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-26   
847-320 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
847-320 0 CHCGIL24DS6  224C ONVOY, LLC 358   2020-08-14   
847-320 1 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2016-06-22   
847-320 2 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
847-320 4   515J IP HORIZON LLC 358   2021-06-26   
847-320 5   145J TERRA NOVA TELECOM INC. 358   2025-04-09   
847-320 6 OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2018-03-18   
847-320 7 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2019-11-30   
847-320 8 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
847-320 9 CHCGIL24DS6  224C ONVOY, LLC 358   2016-05-11   
847-366 A ELGNILOTGT5  5562 METROPCS, INC. 358      
847-366 0 ELGNILOTGT5  5562 METROPCS, INC. 358      
847-366 1 ELGNILOTGT5  5562 METROPCS, INC. 358      
847-366 2 ELGNILOTGT5  5562 METROPCS, INC. 358      
847-366 3 ELGNILOTGT5  5562 METROPCS, INC. 358      
847-366 4 ELGNILOTGT5  5562 METROPCS, INC. 358      
847-366 5 ELGNILOTGT5  5562 METROPCS, INC. 358      
847-366 6 ELGNILOTGT5  5562 METROPCS, INC. 358      
847-366 7 ELGNILOTGT5  5562 METROPCS, INC. 358      
847-366 8 ELGNILOTGT5  5562 METROPCS, INC. 358      
847-366 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
847-438 A LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-540 A LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 A LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 0 LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 1 LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 2 LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-04-06   
847-550 4 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2012-01-27   
847-550 5 LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 6 LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 7 LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 8 LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 9 LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-719 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
847-719 0 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2000-10-31   
847-719 1 LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358   2001-09-17   
847-719 2 LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358   2001-09-17   
847-719 3 LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358   2001-09-17   

1 2 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.