Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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OCN: 785G MICHIGAN CENTRAL BROADBAND COMPANY, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
231-762 A Amble MI AMBLMIAADS1  348      
989-925 A Manistee River MI MRVRMIXIDS1  344      
989-938 A Grace Harbor MI GRHRMIXIDS1  344      
989-939 A Chester MI CTPOMIXJDS1  344      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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