Local Calling Guide

Area code/prefix search

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NPA: 779 [Rate centres in NPA 779] [Dial plan for NPA 779]

NXX: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-228 A Mazon IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
779-228 0 Mazon IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-06-05   
779-228 1 Mazon IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-06-05   
779-228 2 Mazon IL   224C ONVOY, LLC 358   2014-09-07   
779-228 3 Mazon IL   224C ONVOY, LLC 358   2016-04-14   
779-228 4 Mazon IL   224C ONVOY, LLC 358   2016-04-14   
779-228 5 Mazon IL   073H TELNYX LLC 358   2018-07-24   
779-228 6 Mazon IL   224C ONVOY, LLC 358   2019-09-06   
779-228 7 Mazon IL   508J CENTURYLINK COMMUNICATIONS, LLC 358   2014-02-24   
779-228 8 Mazon IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2019-06-28   
779-228 9 Mazon IL   224C ONVOY, LLC 358   2018-12-27   

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

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