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.

Lockport, IL

<< 1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
815-524 A OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-524 0 CHCGIL24DS6  224C ONVOY, LLC 358   2021-11-18   
815-524 1 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-09-10   
815-524 2 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2010-10-30   
815-524 3 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-09-10   
815-524 4 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-09-10   
815-524 5 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2005-07-01   
815-524 6 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2010-10-30   
815-524 7 CHCGILCLXOX  516C AT&T CORP. 358   2007-02-22   
815-524 8 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-09-01   
815-524 9 OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-552 A LCPTILLPDS0  9329 ILLINOIS BELL TEL CO 358      
815-552 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-08-12   
815-552 1 CHCGIL24DS6  224C ONVOY, LLC 358   2012-10-01   
815-552 2 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2011-12-06   
815-552 3 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2013-10-25   
815-552 4 CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2010-02-19   
815-552 5 LCPTILLPDS0  9329 ILLINOIS BELL TEL CO 358      
815-552 6 CHCGILAEDS3  5917 FIRST COMMUNICATIONS, LLC 358   2014-05-04   
815-552 7 CHCGILDT8MD  508J CENTURYLINK COMMUNICATIONS, LLC 358   2013-06-28   
815-552 8 CHCGIL24DS6  224C ONVOY, LLC 358   2014-05-15   
815-552 9 CHCGIL24DS6  224C ONVOY, LLC 358   2016-09-01   
815-588 A LCPTILLPDS0  9329 ILLINOIS BELL TEL CO 358      
815-588 0 LCPTILLPDS0  9329 ILLINOIS BELL TEL CO 358      
815-588 1 LCPTILLPDS0  9329 ILLINOIS BELL TEL CO 358      
815-588 2 LCPTILLPDS0  9329 ILLINOIS BELL TEL CO 358      
815-588 3 LCPTILLPDS0  9329 ILLINOIS BELL TEL CO 358      
815-588 4   145J TERRA NOVA TELECOM INC. 358   2021-09-25   
815-588 5   145J TERRA NOVA TELECOM INC. 358   2021-01-15   
815-588 6 LCPTILLPDS0  9329 ILLINOIS BELL TEL CO 358      
815-588 7 LCPTILLPDS0  9329 ILLINOIS BELL TEL CO 358      
815-588 8 LCPTILLPDS0  9329 ILLINOIS BELL TEL CO 358      
815-588 9 ELGNILOT2MD  5562 METROPCS, INC. 358   2022-01-23   
815-660 A CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
815-660 0 CHCGIL24DS6  224C ONVOY, LLC 358   2016-03-11   
815-660 1   515J IP HORIZON LLC 358   2013-05-05   
815-660 2 CHCGIL24DS6  224C ONVOY, LLC 358   2016-03-11   
815-660 3 CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
815-660 4 CHCGILNEXIX  506J TWILIO INTERNATIONAL, INC. 358   2021-04-13   
815-660 5 CHCGILWUJMD  073H TELNYX LLC 358   2017-05-08   
815-660 6 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2017-08-03   
815-660 7 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2016-12-09   
815-660 8   515J IP HORIZON LLC 358   2016-08-09   
815-660 9   6529 T-MOBILE USA, INC. 358   2024-02-09   
815-749 A CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
815-749 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2022-10-21   
815-749 1 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2022-10-21   
815-749 2 ELGNILOT2MD  5562 METROPCS, INC. 358   2022-10-22   
815-749 3 ELGNILOT2MD  5562 METROPCS, INC. 358   2022-10-22   
815-749 4 ELGNILOT2MD  5562 METROPCS, INC. 358   2022-10-22   

<< 1 2 3 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.