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.

Switch: BOISID377MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
986-274 A Nampa ID 939H COMMIO, LLC 652   2024-03-18   
986-980 A Parma ID 939H COMMIO, LLC 652      
986-980 0 Parma ID 939H COMMIO, LLC 652   2023-03-24   

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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