Local Calling Guide

Area code/prefix search

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Chicago Zone 03-Newcastle, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-510 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-569 A EGVGILEGDS1  9329 ILLINOIS BELL TEL CO 358      
773-569 0 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-569 1 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-569 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-07-06   
773-569 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-12-08   
773-569 4 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-569 5 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-569 6 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-569 7 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-569 8 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-569 9 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-592 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-594 A CHCGILNEDS0  9329 ILLINOIS BELL TEL CO 358      
773-628 A CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-628 0 CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-628 1 CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-628 2 CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-628 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-03-04   
773-628 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-03-04   
773-628 5 CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-628 6 CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-628 7 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-628 8 CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-628 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-04-26   
773-631 A CHCGILNEDS0  9329 ILLINOIS BELL TEL CO 358      
773-632 A EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-632 0 EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-632 1 EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-632 2 EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-632 3 EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-632 4 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-03-10   
773-632 5 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-03-10   
773-632 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-07-06   
773-632 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-06-20   
773-632 8 ELGNILOTGT5  5562 METROPCS, INC. 358   2004-02-20   
773-632 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-11-09   
773-693 A PRRGILXLDS1  9329 ILLINOIS BELL TEL CO 358      
773-693 0 PRRGILXLDS1  9329 ILLINOIS BELL TEL CO 358      
773-693 1 PRRGILXLDS1  9329 ILLINOIS BELL TEL CO 358      
773-693 2 CHCGIL24DS6  224C ONVOY, LLC 358   2019-07-07   
773-693 3 PRRGILXLDS1  9329 ILLINOIS BELL TEL CO 358      
773-693 4 PRRGILXLDS1  9329 ILLINOIS BELL TEL CO 358      
773-693 5 BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2019-10-30   
773-693 6 PRRGILXLDS1  9329 ILLINOIS BELL TEL CO 358      
773-693 7 PRRGILXLDS1  9329 ILLINOIS BELL TEL CO 358      
773-693 8 PRRGILXLDS1  9329 ILLINOIS BELL TEL CO 358      
773-693 9 PRRGILXLDS1  9329 ILLINOIS BELL TEL CO 358      
773-695 A PRRGILXLDS1  9329 ILLINOIS BELL TEL CO 358      
773-695 0 PRRGILXLDS1  9329 ILLINOIS BELL TEL CO 358      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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