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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
815-749 0   984E BANDWIDTH.COM CLEC, LLC - IL 358   2022-10-21   
815-749 1   984E BANDWIDTH.COM CLEC, LLC - IL 358   2022-10-21   
815-749 2   5562 METROPCS, INC. 358   2022-10-22   
815-749 3   5562 METROPCS, INC. 358   2022-10-22   
815-749 4   5562 METROPCS, INC. 358   2022-10-22   
815-749 5   5562 METROPCS, INC. 358   2022-10-22   
815-749 6   5562 METROPCS, INC. 358   2022-10-22   
815-749 7   5562 METROPCS, INC. 358   2022-10-22   
815-749 8   5562 METROPCS, INC. 358   2022-10-22   
815-749 9   224C ONVOY, LLC 358   2023-07-23   
815-834 A LCPTILLPDS0  9329 ILLINOIS BELL TEL CO 358      
815-834 0   9329 ILLINOIS BELL TEL CO 358      
815-834 1   9329 ILLINOIS BELL TEL CO 358      
815-834 2   9329 ILLINOIS BELL TEL CO 358      
815-834 3   5562 METROPCS, INC. 358   2022-06-20   
815-834 4   9329 ILLINOIS BELL TEL CO 358      
815-834 5   9329 ILLINOIS BELL TEL CO 358      
815-834 6   9329 ILLINOIS BELL TEL CO 358      
815-834 7   224C ONVOY, LLC 358   2021-11-18   
815-834 8   9329 ILLINOIS BELL TEL CO 358      
815-834 9   9329 ILLINOIS BELL TEL CO 358      
815-836 A LCPTILLPDS0  9329 ILLINOIS BELL TEL CO 358      
815-836 0   9329 ILLINOIS BELL TEL CO 358      
815-836 1   5562 METROPCS, INC. 358   2017-04-01   
815-836 2   9329 ILLINOIS BELL TEL CO 358      
815-836 3   9329 ILLINOIS BELL TEL CO 358      
815-836 4   5562 METROPCS, INC. 358   2017-01-11   
815-836 5   9329 ILLINOIS BELL TEL CO 358      
815-836 6   5562 METROPCS, INC. 358   2017-01-11   
815-836 7   9329 ILLINOIS BELL TEL CO 358      
815-836 8   9329 ILLINOIS BELL TEL CO 358      
815-836 9   5562 METROPCS, INC. 358   2017-01-11   
815-838 A LCPTILLPDS0  9329 ILLINOIS BELL TEL CO 358      
815-905 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-905 0   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-905 1   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-25   
815-905 2   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-25   
815-905 3   318J COMCAST IP PHONE, LLC 358   2014-10-06   
815-905 4   5562 METROPCS, INC. 358   2016-05-13   
815-905 5   5562 METROPCS, INC. 358   2014-07-27   
815-905 6   5562 METROPCS, INC. 358   2014-07-27   
815-905 7   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2015-07-06   
815-905 8   5562 METROPCS, INC. 358   2015-12-26   
815-905 9   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      

<< 1 2

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.