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.

Elmhurst, IL

1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
331-202 A ARLHILJQCM2  6664 SPRINT SPECTRUM L.P. 358   2012-03-02   
331-202 0   6664 SPRINT SPECTRUM L.P. 358   2012-03-02   
331-202 1   6664 SPRINT SPECTRUM L.P. 358   2012-03-02   
331-202 2   6664 SPRINT SPECTRUM L.P. 358   2012-03-02   
331-202 3   6664 SPRINT SPECTRUM L.P. 358   2012-03-02   
331-202 4   6664 SPRINT SPECTRUM L.P. 358   2012-03-02   
331-202 5   6664 SPRINT SPECTRUM L.P. 358   2012-03-02   
331-202 6   6664 SPRINT SPECTRUM L.P. 358   2012-03-02   
331-202 7   6664 SPRINT SPECTRUM L.P. 358   2012-03-02   
331-202 8   6664 SPRINT SPECTRUM L.P. 358   2012-03-02   
331-202 9   6664 SPRINT SPECTRUM L.P. 358   2012-03-02   
331-209 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
331-209 0   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
331-209 1   057H LOCAL ACCESS LLC - IL 358   2013-05-05   
331-209 2   5447 ACCESS ONE, INC. - IL 358   2012-04-21   
331-209 3   400G CLEAR RATE COMMUNICATIONS, INC. - IL 358   2012-06-10   
331-209 4   2491 CBEYOND COMMUNICATIONS, LLC - IL 358   2012-11-27   
331-209 5   984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-12-15   
331-209 6   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2013-01-10   
331-209 7   7575 CENTURYLINK COMMUNICATIONS LLC 358   2013-06-28   
331-209 8   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
331-209 9   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2014-06-30   
331-221 A EMHRILETDS0  9329 AMERITECH ILLINOIS 358   2009-03-05   
331-221 0   9329 AMERITECH ILLINOIS 358   2009-03-05   
331-221 1   9329 AMERITECH ILLINOIS 358   2009-03-05   
331-221 2   9329 AMERITECH ILLINOIS 358   2009-03-05   
331-221 3   9329 AMERITECH ILLINOIS 358   2009-03-05   
331-221 4   9329 AMERITECH ILLINOIS 358   2009-03-05   
331-221 5   9329 AMERITECH ILLINOIS 358   2009-03-05   
331-221 6   9329 AMERITECH ILLINOIS 358   2009-03-05   
331-221 7   9329 AMERITECH ILLINOIS 358   2009-03-05   
331-221 8   9329 AMERITECH ILLINOIS 358   2009-03-05   
331-221 9   9329 AMERITECH ILLINOIS 358   2009-03-05   
331-225 A ARLHILJQCM2  6664 SPRINT SPECTRUM L.P. 358   2011-10-06   
331-225 0   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2014-08-12   
331-225 1   224C ONVOY, LLC 358   2012-09-30   
331-225 2   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2012-10-04   
331-225 3   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2012-10-04   
331-225 4   224C ONVOY, LLC 358   2014-03-16   
331-225 5   6664 SPRINT SPECTRUM L.P. 358   2011-10-06   
331-225 6   6664 SPRINT SPECTRUM L.P. 358   2011-10-06   
331-225 7   6664 SPRINT SPECTRUM L.P. 358   2011-10-06   
331-225 8   6664 SPRINT SPECTRUM L.P. 358   2011-10-06   
331-225 9   6664 SPRINT SPECTRUM L.P. 358   2011-10-06   
331-642 A CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-642 0   984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
331-642 1   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-04-18   
331-642 2   6664 SPRINT SPECTRUM L.P. 358   2010-07-15   
331-642 3   6664 SPRINT SPECTRUM L.P. 358   2010-07-15   
331-642 4   6664 SPRINT SPECTRUM L.P. 358   2010-07-15   

1 2 3 4 5 6 7 8 >>

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.