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
773-536 9 Chicago Zone 07-Oakland IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-13   
773-537 A Chicago Zone 04-Humboldt IL CHCGIL24DS7  5917 FIRST COMMUNICATIONS, LLC 358      
773-537 0 Chicago Zone 04-Humboldt IL   5917 FIRST COMMUNICATIONS, LLC 358   2004-07-15   
773-537 1 Chicago Zone 04-Humboldt IL   5917 FIRST COMMUNICATIONS, LLC 358   2004-07-15   
773-537 2 Chicago Zone 04-Humboldt IL   5917 FIRST COMMUNICATIONS, LLC 358   2004-07-15   
773-537 3 Chicago Zone 04-Humboldt IL   5917 FIRST COMMUNICATIONS, LLC 358   2004-07-15   
773-537 4 Chicago Zone 04-Humboldt IL   224C ONVOY, LLC 358   2004-09-16   
773-537 5 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2007-01-03   
773-537 6 Chicago Zone 04-Humboldt IL   5917 FIRST COMMUNICATIONS, LLC 358   2004-07-15   
773-537 7 Chicago Zone 04-Humboldt IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2004-11-12   
773-537 8 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2005-09-26   
773-537 9 Chicago Zone 04-Humboldt IL   5917 FIRST COMMUNICATIONS, LLC 358   2004-07-15   
773-538 A Chicago Zone 07-Oakland IL CHCGILOKDS0  9329 AMERITECH ILLINOIS 358      
773-538 0 Chicago Zone 07-Oakland IL   9329 AMERITECH ILLINOIS 358      
773-538 1 Chicago Zone 07-Oakland IL   9329 AMERITECH ILLINOIS 358      
773-538 2 Chicago Zone 07-Oakland IL   9329 AMERITECH ILLINOIS 358      
773-538 3 Chicago Zone 07-Oakland IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-10-20   
773-538 4 Chicago Zone 07-Oakland IL   9329 AMERITECH ILLINOIS 358      
773-538 5 Chicago Zone 07-Oakland IL   9329 AMERITECH ILLINOIS 358      
773-538 7 Chicago Zone 07-Oakland IL   5562 METRO PCS, INC. 358   2014-09-27   
773-538 8 Chicago Zone 07-Oakland IL   9329 AMERITECH ILLINOIS 358      
773-538 9 Chicago Zone 07-Oakland IL   9329 AMERITECH ILLINOIS 358      
773-539 A Chicago Zone 02-Irving IL CHCGILIRDS0  9329 AMERITECH ILLINOIS 358      
773-540 A Chicago Zone 03-Kildare IL CHCGILMFCM3  6529 T-MOBILE USA, INC. 358   2005-02-21   
773-540 0 Chicago Zone 03-Kildare IL   6529 T-MOBILE USA, INC. 358   2005-09-20   
773-540 1 Chicago Zone 03-Kildare IL   6664 SPRINT SPECTRUM L.P. 358   2005-02-25   
773-540 2 Chicago Zone 03-Kildare IL   6664 SPRINT SPECTRUM L.P. 358   2005-03-08   
773-540 3 Chicago Zone 03-Kildare IL   6664 SPRINT SPECTRUM L.P. 358   2005-03-25   
773-540 4 Chicago Zone 03-Kildare IL   6664 SPRINT SPECTRUM L.P. 358   2005-04-08   
773-540 5 Chicago Zone 03-Kildare IL   6664 SPRINT SPECTRUM L.P. 358   2005-02-22   
773-540 6 Chicago Zone 03-Kildare IL   6664 SPRINT SPECTRUM L.P. 358   2005-03-08   
773-540 7 Chicago Zone 03-Kildare IL   6664 SPRINT SPECTRUM L.P. 358   2005-03-22   
773-540 8 Chicago Zone 03-Kildare IL   6664 SPRINT SPECTRUM L.P. 358   2005-04-05   
773-540 9 Chicago Zone 03-Kildare IL   6529 T-MOBILE USA, INC. 358   2005-02-21   
773-541 A Chicago Zone 02-Edgewater IL CHCGILCNDS1  8709 GLOBAL CROSSING LOCAL SERVICES, INC.-IL 358      
773-541 0 Chicago Zone 02-Edgewater IL   6529 T-MOBILE USA, INC. 358   2005-10-15   
773-541 1 Chicago Zone 02-Edgewater IL   6529 T-MOBILE USA, INC. 358   2005-10-15   
773-541 2 Chicago Zone 02-Edgewater IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-541 3 Chicago Zone 02-Edgewater IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-541 4 Chicago Zone 02-Edgewater IL   148J TELENGY LLC 358   2020-02-29   
773-541 5 Chicago Zone 02-Edgewater IL   624H ONVOY SPECTRUM, LLC 358   2020-06-29   
773-541 6 Chicago Zone 02-Edgewater IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-541 7 Chicago Zone 02-Edgewater IL   8709 GLOBAL CROSSING LOCAL SERVICES, INC.-IL 358      
773-541 8 Chicago Zone 02-Edgewater IL   8709 GLOBAL CROSSING LOCAL SERVICES, INC.-IL 358      
773-541 9 Chicago Zone 02-Edgewater IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-542 A Chicago Zone 06-Lawndale IL CHCGILLDDS0  9329 AMERITECH ILLINOIS 358      
773-542 0 Chicago Zone 06-Lawndale IL   9329 AMERITECH ILLINOIS 358      
773-542 1 Chicago Zone 06-Lawndale IL   9329 AMERITECH ILLINOIS 358      
773-542 2 Chicago Zone 06-Lawndale IL   9329 AMERITECH ILLINOIS 358      
773-542 3 Chicago Zone 06-Lawndale IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   

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Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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