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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Switch: GYLRMI06DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-340 4 Alpena MI 0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344   2011-03-18   
989-733 1 Onaway MI 0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344   2011-03-01   
989-748 A Gaylord MI 0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 0 Gaylord MI 0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 1 Gaylord MI 0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 2 Gaylord MI 0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 4 Gaylord MI 0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 5 Gaylord MI 0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 7 Gaylord MI 0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      
989-748 9 Gaylord MI 0127 WINN TELEPHONE COMPANY DBA WINN TELECOM - MI 344      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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