Local Calling Guide

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

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-634 A Chicago Zone 04-Humboldt IL EGVGILIFDS0  7196 MCI WORLDCOM COMMUNICATIONS, INC. - IL 358      
773-634 0 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2006-12-14   
773-634 1 Chicago Zone 04-Humboldt IL   7056 XO ILLINOIS, INC. 358   2005-08-12   
773-634 2 Chicago Zone 04-Humboldt IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-634 3 Chicago Zone 04-Humboldt IL   7056 XO ILLINOIS, INC. 358   2005-08-12   
773-634 4 Chicago Zone 04-Humboldt IL   7056 XO ILLINOIS, INC. 358   2005-08-12   
773-634 5 Chicago Zone 04-Humboldt IL   7056 XO ILLINOIS, INC. 358   2005-08-12   
773-634 6 Chicago Zone 04-Humboldt IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2005-07-10   
773-634 7 Chicago Zone 04-Humboldt IL   7056 XO ILLINOIS, INC. 358   2005-08-12   
773-634 8 Chicago Zone 04-Humboldt IL   7056 XO ILLINOIS, INC. 358   2005-08-12   
773-634 9 Chicago Zone 04-Humboldt IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-10-25   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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