Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: MSVLILXDRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-572 A Mossville IL 1015 FRONTIER NORTH, INC. - IL 368      
309-576 A Mossville IL 1015 FRONTIER NORTH, INC. - IL 368      
309-577 A Mossville IL 1015 FRONTIER NORTH, INC. - IL 368      
309-578 A Mossville IL 1015 FRONTIER NORTH, INC. - IL 368      
309-579 A Mossville IL 1015 FRONTIER NORTH, INC. - IL 368      

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

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