Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: NADMMIXIDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-287 A North Adams MI 4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 346      
517-698 4 North Adams MI 991E BANDWIDTH.COM CLEC, LLC - MI 346   2024-11-09   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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