Local Calling Guide

Area code/prefix search

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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 527

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-527 A Woodstock IL CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-527 0 Woodstock IL   224C ONVOY, LLC 358   2013-11-13   
815-527 1 Woodstock IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2007-07-30   
815-527 2 Woodstock IL   6529 T-MOBILE USA, INC. 358   2010-04-30   
815-527 3 Woodstock IL   224C ONVOY, LLC 358   2013-11-13   
815-527 4 Woodstock IL   224C ONVOY, LLC 358   2013-11-13   
815-527 5 Woodstock IL   516C AT&T CORP. 358   2006-05-02   
815-527 6 Woodstock IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-17   
815-527 7 Woodstock IL   318J COMCAST IP PHONE, LLC 358   2007-09-07   
815-527 8 Woodstock IL   224C ONVOY, LLC 358   2013-11-13   
815-527 9 Woodstock IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      

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

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