Local Calling Guide

Area code/prefix search

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Chicago Zone 05-Austin, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-242 A CICRILCIDS0  9329 ILLINOIS BELL TEL CO 358      
773-242 0 ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2008-08-12   
773-242 1 CICRILCIDS0  9329 ILLINOIS BELL TEL CO 358      
773-242 2 CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358   2006-01-20   
773-242 3 ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2010-07-30   
773-242 4 ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2010-07-30   
773-242 5 ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2010-07-30   
773-242 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-11-27   
773-242 7 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-08-26   
773-242 8 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-08-26   
773-242 9 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-17   
773-261 A CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-261 0 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-261 1 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-261 2 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-261 3 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-261 4 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-261 5 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-261 6 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-261 7 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-261 8 CHCGIL24DS6  224C ONVOY, LLC 358   2021-12-24   
773-261 9 CHCGIL24DS6  224C ONVOY, LLC 358   2018-12-27   
773-287 A CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-300 A CHCGIL24DS6  224C ONVOY, LLC 358      
773-300 0 CHCGILWUSMD  145J TERRA NOVA TELECOM INC. 358   2023-08-19   
773-300 1 CHCGIL24DS6  224C ONVOY, LLC 358   2023-10-08   
773-300 2 CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-18   
773-300 3 CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-18   
773-300 4 CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-18   
773-300 5 CHCGIL24DS6  224C ONVOY, LLC 358   2023-10-08   
773-300 6 BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2023-08-19   
773-300 7 BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2023-08-19   
773-300 8 BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2023-08-19   
773-300 9 BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2023-08-19   
773-309 A CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358      
773-309 0 CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358      
773-309 1 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-02-25   
773-309 2 CHCGILCNHMD  073H TELNYX LLC 358   2022-12-15   
773-309 3 CHCGIL24DS6  224C ONVOY, LLC 358   2023-07-14   
773-309 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-11-22   
773-309 5 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-309 6 CHCGIL24DS6  224C ONVOY, LLC 358   2004-09-16   
773-309 7 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-309 8 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-03-31   
773-309 9 CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358      
773-345 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-345 0 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-345 1 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-345 2 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-345 3 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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