Local Calling Guide

Area code/prefix search

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St Francisville, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-948 A SFVLILXERS0  1015 FRONTIER NORTH, INC. - IL 978      
618-948 0   224C ONVOY, LLC 978   2020-03-13   
618-948 2   1015 FRONTIER NORTH, INC. - IL 978      
618-948 3   224C ONVOY, LLC 978   2021-02-12   
618-948 5   224C ONVOY, LLC 978   2021-11-03   
618-948 6   624H ONVOY SPECTRUM, LLC 978   2023-07-29   
618-948 7   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 978   2005-02-14   
618-948 8   9915 DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 978   2003-06-04   

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

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