Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: STFRILXDRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-379 A Stanford IL 1015 FRONTIER NORTH, INC. - IL 366      
309-379 2 Stanford IL 1015 FRONTIER NORTH, INC. - IL 366      
309-379 3 Stanford IL 1015 FRONTIER NORTH, INC. - IL 366      
309-379 4 Stanford IL 1015 FRONTIER NORTH, INC. - IL 366      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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