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
773-799 A Chicago Zone 04-Humboldt IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-799 0 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2006-10-01   
773-799 1 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2006-10-01   
773-799 2 Chicago Zone 04-Humboldt IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-10-25   
773-799 3 Chicago Zone 04-Humboldt IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-799 4 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2004-06-28   
773-799 5 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2004-08-16   
773-799 6 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2006-06-01   
773-799 7 Chicago Zone 04-Humboldt IL   6529 T-MOBILE USA, INC. 358   2006-06-01   
773-799 8 Chicago Zone 04-Humboldt IL   516C AT&T CORP. 358   2006-07-07   
773-799 9 Chicago Zone 04-Humboldt IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      

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

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