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.

Chicago Zone 10-Beverly, IL

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-941 4 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2008-02-02   
773-941 5 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2008-02-02   
773-941 6 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2012-01-27   
773-941 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-04-15   
773-941 8 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2012-12-06   
773-941 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-01-11   
773-946 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-946 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-10   
773-946 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-10   
773-946 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-10   
773-946 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-10   
773-946 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2007-07-17   
773-946 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-08-22   
773-946 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-17   
773-946 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-17   
773-946 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-17   
773-946 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-17   
773-954 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-954 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-11-21   
773-954 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-11-21   
773-954 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-11-21   
773-954 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-11-21   
773-954 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-02-28   
773-954 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-02-28   
773-954 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-02-28   
773-954 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-02-28   
773-954 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-02-28   
773-954 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-11-21   
773-964 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-964 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-05   
773-964 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-05   
773-964 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-05   
773-964 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-05   
773-964 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-05   
773-964 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-08   
773-964 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-08   
773-964 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-08   
773-964 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-08   
773-964 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-05   
773-970 A BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-970 0 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-21   
773-970 1 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-21   
773-970 2 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-21   
773-970 3 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-21   
773-970 4 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-04-17   
773-970 5 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-04-17   
773-970 6 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-04-17   
773-970 7 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-04-17   
773-970 8 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-04-17   
773-970 9 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-04-17   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.