Local Calling Guide

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NPA: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-602 7 Chicago Zone 07-Stewart IL CHCGILSTDS0  9329 ILLINOIS BELL TEL CO 358      
773-602 8 Chicago Zone 07-Stewart IL CHCGILSTDS0  9329 ILLINOIS BELL TEL CO 358      
773-602 9 Chicago Zone 07-Stewart IL CHCGILSTDS0  9329 ILLINOIS BELL TEL CO 358      
773-603 A Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-603 0 Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-21   
773-603 1 Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-21   
773-603 2 Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-21   
773-603 3 Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-21   
773-603 4 Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-10-07   
773-603 5 Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-10-07   
773-603 6 Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-10-07   
773-603 7 Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-10-07   
773-603 8 Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-10-07   
773-603 9 Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-21   
773-604 A Chicago Zone 02-Irving IL CHCGILIRDS0  9329 ILLINOIS BELL TEL CO 358      
773-605 A Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
773-605 0 Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-05-27   
773-605 1 Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-05-27   
773-605 2 Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-05-27   
773-605 3 Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-05-27   
773-605 4 Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-05-27   
773-605 5 Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-05-27   
773-605 6 Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-05-27   
773-605 7 Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-05-27   
773-605 8 Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-05-27   
773-605 9 Chicago Zone 02-Edgewater IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2006-05-27   
773-606 A Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-606 0 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-15   
773-606 1 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-15   
773-606 2 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-15   
773-606 3 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-15   
773-606 4 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-15   
773-606 5 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-13   
773-606 6 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-13   
773-606 7 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-13   
773-606 8 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-13   
773-606 9 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-08-13   
773-607 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-607 9 Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-608 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-608 9 Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-609 A Chicago Zone 10-Beverly IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-12-29   
773-609 0 Chicago Zone 10-Beverly IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-02-25   
773-609 1 Chicago Zone 10-Beverly IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
773-609 2 Chicago Zone 10-Beverly IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
773-609 3 Chicago Zone 10-Beverly IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
773-609 4 Chicago Zone 10-Beverly IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
773-609 5 Chicago Zone 10-Beverly IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
773-609 6 Chicago Zone 10-Beverly IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-05-17   
773-609 7 Chicago Zone 10-Beverly IL CHCGIL24DS6  224C ONVOY, LLC 358   2010-05-20   

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

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