Local Calling Guide

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

NXX: 272

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-272 A Chicago Zone 03-Newcastle IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-272 0 Chicago Zone 03-Newcastle IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-272 1 Chicago Zone 03-Newcastle IL ELGNILOTGT5  5562 METROPCS, INC. 358   2004-03-19   
773-272 2 Chicago Zone 03-Newcastle IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-06-20   
773-272 3 Chicago Zone 03-Newcastle IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-272 4 Chicago Zone 03-Newcastle IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-272 5 Chicago Zone 03-Newcastle IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-05-28   
773-272 6 Chicago Zone 03-Newcastle IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-05-28   
773-272 7 Chicago Zone 03-Newcastle IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2000-06-20   
773-272 8 Chicago Zone 03-Newcastle IL ELGNILOTGT5  5562 METROPCS, INC. 358   2005-04-26   
773-272 9 Chicago Zone 03-Newcastle IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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