Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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North Adams, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
517-287 A NADMMIXIDS0  4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 346      
517-698 A MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      
517-698 1   543C ONVOY, LLCV - MI 346   2021-06-18   
517-698 2   543C ONVOY, LLCV - MI 346   2021-07-11   
517-698 3   3535 ACD TELECOM, INC. - MI 346      
517-698 5   318J COMCAST IP PHONE LLC 346   2008-08-28   
517-698 6   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346   2016-01-22   
517-698 8   543C ONVOY, LLCV - MI 346   2018-10-12   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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