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.

Alton, IL

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-208 A COVLILCQLMD  3377 WINDSTREAM NUVOX ILLINOIS, LLC 520      
618-208 0 BLVLILAJ3MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520   2005-04-25   
618-208 1 BLVLILAJ3MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520   2005-04-25   
618-208 2 COVLILCQLMD  3377 WINDSTREAM NUVOX ILLINOIS, LLC 520      
618-208 3 STLSMOGZDS0  7393 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - IL 520   2002-11-01   
618-208 4 BLVLILAJ3MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520   2003-01-06   
618-208 5   508J CENTURYLINK COMMUNICATIONS LLC 520   2014-05-05   
618-208 6 BLVLILAJ3MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520   2004-12-28   
618-208 7 SWNSILBLPS0  462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 520   2004-10-22   
618-208 8 COVLILCQLMD  3377 WINDSTREAM NUVOX ILLINOIS, LLC 520   2010-02-12   
618-208 9 STLVMOOH3MD  5562 METROPCS, INC. 520   2014-07-25   
618-374 A ELSHILESRS0  9329 ILLINOIS BELL TEL CO 520      
618-374 0 STLSMOGZDS5  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2013-04-28   
618-374 1 ELSHILESRS0  9329 ILLINOIS BELL TEL CO 520      
618-374 2 ELSHILESRS0  9329 ILLINOIS BELL TEL CO 520      
618-374 3 STLSMOGZDS0  7393 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - IL 520   2007-02-24   
618-374 4 ELSHILESRS0  9329 ILLINOIS BELL TEL CO 520      
618-374 5 ELSHILESRS0  9329 ILLINOIS BELL TEL CO 520      
618-374 6 COVLILCL0MD  516C AT&T CORP. 520   2005-09-19   
618-374 7 STLSMO09DS1  7421 AT&T - LOCAL 520   2003-02-16   
618-374 8 COVLILCQLMD  3377 WINDSTREAM NUVOX ILLINOIS, LLC 520   2010-02-12   
618-374 9 ELSHILESRS0  9329 ILLINOIS BELL TEL CO 520      
618-433 A ALTNILAKDS0  9329 ILLINOIS BELL TEL CO 520      
618-433 0 ALTNILAKDS0  9329 ILLINOIS BELL TEL CO 520      
618-433 1 SWNSILBLPS0  462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 520   2005-10-29   
618-433 2 ALTNILAKDS0  9329 ILLINOIS BELL TEL CO 520      
618-433 3 COVLILCQX1X  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 520   2008-02-22   
618-433 4 ALTNILAKDS0  9329 ILLINOIS BELL TEL CO 520      
618-433 5 COVLILCLPMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 520   2007-08-27   
618-433 6 ALTNILAKDS0  9329 ILLINOIS BELL TEL CO 520      
618-433 7 ALTNILAKDS0  9329 ILLINOIS BELL TEL CO 520      
618-433 8 SWNSILBLPS0  462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 520   2013-02-21   
618-433 9 SWNSILBLPS0  462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 520   2006-12-23   
618-462 A ALTNILAKDS0  9329 ILLINOIS BELL TEL CO 520      
618-463 A ALTNILAKDS0  9329 ILLINOIS BELL TEL CO 520      
618-465 A ALTNILAKDS0  9329 ILLINOIS BELL TEL CO 520      
618-466 A GDFYILANDS0  9329 ILLINOIS BELL TEL CO 520      
618-467 A GDFYILANDS0  9329 ILLINOIS BELL TEL CO 520      
618-467 0 GDFYILANDS0  9329 ILLINOIS BELL TEL CO 520      
618-467 1 GDFYILANDS0  9329 ILLINOIS BELL TEL CO 520      
618-467 2 GDFYILANDS0  9329 ILLINOIS BELL TEL CO 520      
618-467 3 GDFYILANDS0  9329 ILLINOIS BELL TEL CO 520      
618-467 4 GDFYILANDS0  9329 ILLINOIS BELL TEL CO 520      
618-467 5 GDFYILANDS0  9329 ILLINOIS BELL TEL CO 520      
618-467 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2021-09-10   
618-467 7 GDFYILANDS0  9329 ILLINOIS BELL TEL CO 520      
618-467 8 COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520   2019-06-17   
618-467 9 STLVMOOH3MD  5562 METROPCS, INC. 520   2014-07-25   
618-468 A GDFYILANDS0  9329 ILLINOIS BELL TEL CO 520      
618-468 0 STLSMOGZDS5  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2013-04-28   

1 2 3 >>

Last updated: Wed, 12 Jan 2022 16:20:07 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.