Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BYRNILXADS0

Remotes:

Switch Switch name Switch type
STVYILXARS0  STILLMAN VALLEY  GTR 
WNNBILXARS1  WINNEBAGO  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-234 A Byron IL 1015 FRONTIER NORTH, INC. - IL 360      
815-406 A Byron IL 1015 FRONTIER NORTH, INC. - IL 360      

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

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