Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: ALDNMIXHRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
231-331 A Alden MI 0695 FRONTIER NORTH, INC. - MI 348      
231-331 4 Alden MI 0695 FRONTIER NORTH, INC. - MI 348      
231-331 6 Alden MI 0695 FRONTIER NORTH, INC. - MI 348      
231-331 7 Alden MI 0695 FRONTIER NORTH, INC. - MI 348      

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

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