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
773-855 1 Chicago Zone 07-Oakland IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
773-855 2 Chicago Zone 07-Oakland IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
773-855 3 Chicago Zone 07-Oakland IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
773-855 4 Chicago Zone 07-Oakland IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
773-855 5 Chicago Zone 07-Oakland IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
773-855 6 Chicago Zone 07-Oakland IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
773-855 7 Chicago Zone 07-Oakland IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2006-07-03   
773-855 8 Chicago Zone 07-Oakland IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2006-06-23   
773-855 9 Chicago Zone 07-Oakland IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2006-07-05   
773-856 A Chicago Zone 02-Rogers Park IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
773-857 A Chicago Zone 04-Lakeview IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
773-858 A Chicago Zone 02-Edgewater IL   6664 SPRINT SPECTRUM L.P. 358      
773-858 0 Chicago Zone 02-Edgewater IL   6664 SPRINT SPECTRUM L.P. 358      
773-858 1 Chicago Zone 02-Edgewater IL   6664 SPRINT SPECTRUM L.P. 358      
773-858 2 Chicago Zone 02-Edgewater IL   6664 SPRINT SPECTRUM L.P. 358      
773-858 3 Chicago Zone 02-Edgewater IL   6664 SPRINT SPECTRUM L.P. 358   2003-02-10   
773-858 4 Chicago Zone 02-Edgewater IL   6664 SPRINT SPECTRUM L.P. 358   2003-02-10   
773-858 5 Chicago Zone 02-Edgewater IL   6664 SPRINT SPECTRUM L.P. 358   2003-02-10   
773-858 6 Chicago Zone 02-Edgewater IL   6664 SPRINT SPECTRUM L.P. 358      
773-858 7 Chicago Zone 02-Edgewater IL   6664 SPRINT SPECTRUM L.P. 358      
773-858 8 Chicago Zone 02-Edgewater IL   6664 SPRINT SPECTRUM L.P. 358      
773-858 9 Chicago Zone 02-Edgewater IL   6664 SPRINT SPECTRUM L.P. 358      
773-859 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-859 0 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-859 1 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-859 2 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-860 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-861 A Chicago Zone 04-Humboldt IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS LLC - IL 358   2007-04-27   
773-861 0 Chicago Zone 04-Humboldt IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2007-04-27   
773-861 1 Chicago Zone 04-Humboldt IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2007-04-27   
773-861 2 Chicago Zone 04-Humboldt IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2007-04-27   
773-861 3 Chicago Zone 04-Humboldt IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2007-04-27   
773-861 4 Chicago Zone 04-Humboldt IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2007-04-27   
773-861 5 Chicago Zone 04-Humboldt IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2007-04-27   
773-861 6 Chicago Zone 04-Humboldt IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2007-04-27   
773-861 7 Chicago Zone 04-Humboldt IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2007-04-27   
773-861 8 Chicago Zone 04-Humboldt IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2007-04-27   
773-861 9 Chicago Zone 04-Humboldt IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2007-04-27   
773-862 A Chicago Zone 04-Humboldt IL CHCGILHBDS1  9329 AMERITECH ILLINOIS 358      
773-862 0 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 1 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 2 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 3 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 4 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 5 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 6 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-862 7 Chicago Zone 04-Humboldt IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-09-19   
773-862 8 Chicago Zone 04-Humboldt IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2018-11-05   
773-862 9 Chicago Zone 04-Humboldt IL   9329 AMERITECH ILLINOIS 358      
773-863 A Chicago Zone 08-Prospect IL CHCGILPRDS0  9329 AMERITECH ILLINOIS 358      

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Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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