Local Calling Guide

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-940 A Chicago Zone 06-Kedzie IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-940 0 Chicago Zone 06-Kedzie IL   318J COMCAST IP PHONE, LLC 358   2009-01-01   
773-940 1 Chicago Zone 06-Kedzie IL   318J COMCAST IP PHONE, LLC 358   2009-01-01   
773-940 2 Chicago Zone 06-Kedzie IL   318J COMCAST IP PHONE, LLC 358   2009-01-01   
773-940 3 Chicago Zone 06-Kedzie IL   829J PAETEC ITEL, LLC 358   2009-10-22   
773-940 4 Chicago Zone 06-Kedzie IL   224C ONVOY, LLC 358   2010-03-29   
773-940 5 Chicago Zone 06-Kedzie IL   6529 T-MOBILE USA, INC. 358   2010-09-08   
773-940 6 Chicago Zone 06-Kedzie IL   6529 T-MOBILE USA, INC. 358   2009-03-14   
773-940 7 Chicago Zone 06-Kedzie IL   939H COMMIO, LLC 358   2021-08-29   
773-940 8 Chicago Zone 06-Kedzie IL   939H COMMIO, LLC 358   2021-08-29   
773-940 9 Chicago Zone 06-Kedzie IL   939H COMMIO, LLC 358   2021-08-29   
773-941 A Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-941 0 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2008-01-11   
773-941 1 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2008-01-11   
773-941 2 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2008-01-11   
773-941 3 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2008-01-11   
773-941 4 Chicago Zone 10-Beverly IL   318J COMCAST IP PHONE, LLC 358   2008-02-02   
773-941 5 Chicago Zone 10-Beverly IL   318J COMCAST IP PHONE, LLC 358   2008-02-02   
773-941 6 Chicago Zone 10-Beverly IL   318J COMCAST IP PHONE, LLC 358   2012-01-27   
773-941 7 Chicago Zone 10-Beverly IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-04-15   
773-941 8 Chicago Zone 10-Beverly IL   318J COMCAST IP PHONE, LLC 358   2012-12-06   
773-941 9 Chicago Zone 10-Beverly IL   6529 T-MOBILE USA, INC. 358   2008-01-11   
773-942 A Chicago Zone 02-Edgewater IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-942 0 Chicago Zone 02-Edgewater IL   224C ONVOY, LLC 358   2024-09-09   
773-942 1 Chicago Zone 02-Edgewater IL   6529 T-MOBILE USA, INC. 358   2025-06-03   
773-942 2 Chicago Zone 02-Edgewater IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-942 3 Chicago Zone 02-Edgewater IL   6529 T-MOBILE USA, INC. 358   2006-04-09   
773-942 4 Chicago Zone 02-Edgewater IL   624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-942 5 Chicago Zone 02-Edgewater IL   6529 T-MOBILE USA, INC. 358   2025-06-03   
773-942 6 Chicago Zone 02-Edgewater IL   318J COMCAST IP PHONE, LLC 358   2007-04-12   
773-942 7 Chicago Zone 02-Edgewater IL   318J COMCAST IP PHONE, LLC 358   2007-04-12   
773-942 8 Chicago Zone 02-Edgewater IL   224C ONVOY, LLC 358   2025-04-06   
773-942 9 Chicago Zone 02-Edgewater IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-943 A Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-943 0 Chicago Zone 02-Edgewater IL   6529 T-MOBILE USA, INC. 358   2010-10-18   
773-943 1 Chicago Zone 02-Edgewater IL   6529 T-MOBILE USA, INC. 358   2010-10-18   
773-943 2 Chicago Zone 02-Edgewater IL   6529 T-MOBILE USA, INC. 358   2010-10-18   
773-943 3 Chicago Zone 02-Edgewater IL   224C ONVOY, LLC 358   2010-11-02   
773-943 4 Chicago Zone 02-Edgewater IL   624H ONVOY SPECTRUM, LLC 358   2024-07-10   
773-943 5 Chicago Zone 02-Edgewater IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2010-11-02   
773-943 6 Chicago Zone 02-Edgewater IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2010-11-02   
773-943 7 Chicago Zone 02-Edgewater IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2019-08-16   
773-943 8 Chicago Zone 02-Edgewater IL   624H ONVOY SPECTRUM, LLC 358   2024-07-24   
773-943 9 Chicago Zone 02-Edgewater IL   6529 T-MOBILE USA, INC. 358   2010-10-18   
773-944 A Chicago Zone 02-Edgewater IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
773-945 A Chicago Zone 05-Austin IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
773-945 0 Chicago Zone 05-Austin IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2008-09-01   
773-945 1 Chicago Zone 05-Austin IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2008-09-01   
773-945 2 Chicago Zone 05-Austin IL   224C ONVOY, LLC 358   2008-09-01   
773-945 3 Chicago Zone 05-Austin IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2008-09-01   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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