Local Calling Guide

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

NXX: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-328 A Chicago Zone 04-Humboldt IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358      
773-328 0 Chicago Zone 04-Humboldt IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2011-03-16   
773-328 1 Chicago Zone 04-Humboldt IL CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358   2010-09-19   
773-328 2 Chicago Zone 04-Humboldt IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358      
773-328 3 Chicago Zone 04-Humboldt IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358      
773-328 4 Chicago Zone 04-Humboldt IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358      
773-328 5 Chicago Zone 04-Humboldt IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2004-09-12   
773-328 6 Chicago Zone 04-Humboldt IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358      
773-328 7 Chicago Zone 04-Humboldt IL CHCGILHBDS1  9329 ILLINOIS BELL TEL CO 358   2001-09-10   
773-328 8 Chicago Zone 04-Humboldt IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-11-27   
773-328 9 Chicago Zone 04-Humboldt IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2011-03-16   

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

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