Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Chicago Zone 05-Merrimac, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-237 A CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-295 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-295 0 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 1 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 2 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 3   460K FIRST COMMUNICATIONS, LLC 358      
773-295 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 5 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-295 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 8 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-295 9 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-385 A CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-479 A CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-622 A CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-637 A CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-676 A CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-676 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
773-676 1 CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-676 2 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
773-676 3 BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-676 4 BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-676 5 BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-676 6 BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-676 7 BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-676 8 CHCGIL24DS6  224C ONVOY, LLC 358      
773-676 9 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
773-745 A CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-804 A CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-804 0 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-804 1 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-804 2 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-804 3 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-804 4 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-804 5 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-804 6 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-804 7 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-804 8 CHCGIL24DS6  224C ONVOY, LLC 358      
773-804 9 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-836 A CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-836 0 CHCGIL24DS6  224C ONVOY, LLC 358      
773-836 1 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-836 2 CHCGIL24DS6  224C ONVOY, LLC 358      
773-836 3 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-836 4   624H ONVOY SPECTRUM, LLC 358      
773-836 5 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-836 6   400G CLEAR RATE COMMUNICATIONS, INC. - IL 358      
773-836 7 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-836 8 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-836 9 CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      
773-887 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-887 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
773-887 1   515J IP HORIZON LLC 358      
773-887 2 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
773-887 3 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-887 4 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-887 5 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-887 6 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
773-887 7   829J PAETEC ITEL, LLC 358      
773-887 8 CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358      
773-887 9 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-889 A CHCGILMEDS0  9329 ILLINOIS BELL TEL CO 358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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