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: PCTLIDMA8MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
208-497 0 Idaho Falls ID 022G MILLENNIUM NETWORKS, LLC - ID 652   2014-09-14   
208-909 A Pocatello ID 022G MILLENNIUM NETWORKS, LLC - ID 652      
208-909 5 Pocatello ID 022G MILLENNIUM NETWORKS, LLC - ID 652   2010-05-21   
986-497 A Idaho Falls ID 022G MILLENNIUM NETWORKS, LLC - ID 652      
986-497 0 Idaho Falls ID 022G MILLENNIUM NETWORKS, LLC - ID 652   2018-08-18   

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

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