Local Calling Guide

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

NXX: 757

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-757 A Summit IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-757 0 Summit IL   224C ONVOY, LLC 358   2010-03-29   
773-757 1 Summit IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-757 2 Summit IL   6529 T-MOBILE USA, INC. 358   2021-10-11   
773-757 3 Summit IL   6529 T-MOBILE USA, INC. 358   2007-01-03   
773-757 4 Summit IL   6529 T-MOBILE USA, INC. 358   2007-01-03   
773-757 5 Summit IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-07-31   
773-757 6 Summit IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-07-02   
773-757 7 Summit IL   6529 T-MOBILE USA, INC. 358   2007-01-03   
773-757 8 Summit IL   6529 T-MOBILE USA, INC. 358   2007-01-03   
773-757 9 Summit IL   6529 T-MOBILE USA, INC. 358   2007-01-03   

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

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