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 03-Kildare, IL

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-746 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-05   
773-749 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-749 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-31   
773-749 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-31   
773-749 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-31   
773-749 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-31   
773-749 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-31   
773-749 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-08-03   
773-749 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-08-03   
773-749 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-08-03   
773-749 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-08-03   
773-749 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-08-03   
773-750 A SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-759 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-759 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-759 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-759 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-759 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-759 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-759 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-759 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-759 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-759 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-759 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-766 A RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-766 0 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-03   
773-766 1 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-03   
773-766 2 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-03   
773-766 3 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-03   
773-766 4 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-03   
773-766 5 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-20   
773-766 6 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-20   
773-766 7 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-20   
773-766 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-03-03   
773-766 9 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-20   
773-777 A CHCGILKIDS0  9329 ILLINOIS BELL TEL CO 358      
773-790 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-790 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-06-28   
773-790 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-06-28   
773-790 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-06-28   
773-790 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-06-28   
773-790 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-790 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-06-28   
773-790 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-06-28   
773-790 7 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-790 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-11-09   
773-790 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-11-09   
773-791 A SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-793 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-793 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 >>

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.