Local Calling Guide

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

NXX: 406

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-406 A Byron IL BYRNILXADS0  1015 FRONTIER NORTH, INC. - IL 360      
815-406 0 Byron IL   224C ONVOY, LLC 360   2019-09-06   
815-406 1 Byron IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 360   2019-04-22   
815-406 2 Byron IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 360      
815-406 3 Byron IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 360      
815-406 4 Byron IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 360      
815-406 5 Byron IL   318J COMCAST IP PHONE, LLC 360   2006-08-11   
815-406 6 Byron IL   224C ONVOY, LLC 360   2018-07-30   
815-406 8 Byron IL   318J COMCAST IP PHONE, LLC 360   2007-09-23   
815-406 9 Byron IL   224C ONVOY, LLC 360   2020-05-21   

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

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