Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BRTNMIXGRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-451 A Britton MI 0695 FRONTIER NORTH, INC. - MI 340      
517-451 2 Britton MI 0695 FRONTIER NORTH, INC. - MI 340      
517-451 4 Britton MI 0695 FRONTIER NORTH, INC. - MI 340      
517-451 5 Britton MI 0695 FRONTIER NORTH, INC. - MI 340      
517-451 8 Britton MI 0695 FRONTIER NORTH, INC. - MI 340      
517-451 9 Britton MI 0695 FRONTIER NORTH, INC. - MI 340      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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