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: 0711 MIDWAY TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
906-355 A Watton MI WTTNMIXJRS1  342      
906-472 A Golden Lake MI GDLKMIXIRS1  342      
906-852 A Trout Creek MI TRCKMIXJRS1  342      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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