Local Calling Guide

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

NXX: 681

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-681 A Chicago Zone 02-Irving IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-681 0 Chicago Zone 02-Irving IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-09-27   
773-681 1 Chicago Zone 02-Irving IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-12-13   
773-681 2 Chicago Zone 02-Irving IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-06-26   
773-681 3 Chicago Zone 02-Irving IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-08-05   
773-681 4 Chicago Zone 02-Irving IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-06-26   
773-681 5 Chicago Zone 02-Irving IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-681 6 Chicago Zone 02-Irving IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-08-14   
773-681 7 Chicago Zone 02-Irving IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-09-29   
773-681 8 Chicago Zone 02-Irving IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2000-08-04   
773-681 9 Chicago Zone 02-Irving IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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