Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DWTTMIXGPS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-239 A De Witt MI 0695 FRONTIER NORTH, INC. - MI 346      
517-239 4 De Witt MI 0695 FRONTIER NORTH, INC. - MI 346   2015-06-22   

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

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