Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: MTTNILXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-428 A Martinton IL 1015 FRONTIER NORTH, INC. - IL 358      
815-428 7 Martinton IL 1015 FRONTIER NORTH, INC. - IL 358      

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

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