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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 515J IP HORIZON LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
986-600 2 Moscow ID   960   2022-06-09   
986-668 0 Hayden Lake ID   960   2022-06-02   
986-671 0 Clark Fork ID   960   2022-06-10   
986-866 0 Orofino ID   960   2022-06-04   
986-946 1 Hope ID   960   2022-06-04   
989-364 A Saginaw MI SGNWMIFAXPY  344      
989-364 1 Saginaw MI   344   2021-03-21   

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Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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