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 02-Edgewater, IL

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-303 3 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-303 4 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-303 5 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-303 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-10-25   
773-303 7 CHCGIL24DS6  224C ONVOY, LLC 358   2008-10-15   
773-303 8 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-303 9 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-312 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-312 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-10-09   
773-312 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-10-09   
773-312 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-10-09   
773-312 3 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-06-28   
773-312 4 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-06-28   
773-312 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-06-28   
773-312 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-09-17   
773-312 7 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-06-28   
773-312 8 CHCGIL24DS6  224C ONVOY, LLC 358   2010-05-28   
773-312 9 CHCGIL24DS6  224C ONVOY, LLC 358   2010-05-28   
773-313 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-313 0 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-313 1 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-313 2 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-313 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-10-25   
773-313 4 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-313 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-10-13   
773-313 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-10-13   
773-313 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-06-26   
773-313 8   224C ONVOY, LLC 358   2025-10-26   
773-313 9 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-323 A CHCGILBWCM2  9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-333 A CHCGILBWCM2  9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-334 A CHCGILEDDS0  9329 ILLINOIS BELL TEL CO 358      
773-400 A CHCGILBWCM2  9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-409 A OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-409 0 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-409 1 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-409 2 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-409 3 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-409 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2002-10-28   
773-409 5 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-409 6 OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-409 7 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-409 8 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-409 9 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-410 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-410 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
773-410 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
773-410 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
773-410 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
773-410 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-26   

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

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.