Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 224 [Rate centres in NPA 224] [Dial plan for NPA 224]

NXX: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-677 A Lake Zurich IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
224-677 0 Lake Zurich IL   224C ONVOY, LLC 358   2023-09-11   
224-677 1 Lake Zurich IL   224C ONVOY, LLC 358   2020-08-07   
224-677 2 Lake Zurich IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-04-22   
224-677 3 Lake Zurich IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-09-10   
224-677 5 Lake Zurich IL   516C AT&T CORP. 358   2006-06-30   
224-677 6 Lake Zurich IL   318J COMCAST IP PHONE, LLC 358   2014-02-10   
224-677 7 Lake Zurich IL   5447 ACCESS ONE, INC. - IL 358   2006-08-06   
224-677 8 Lake Zurich IL   829J PAETEC ITEL, LLC 358   2009-11-10   
224-677 9 Lake Zurich IL   224C ONVOY, LLC 358   2020-08-07   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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