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: BOISIDPZAMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
208-593 A Boise ID 321J HD CARRIER LLC 652      
208-593 8 Boise ID 321J HD CARRIER LLC 652   2020-08-01   
208-593 9 Boise ID 321J HD CARRIER LLC 652   2020-08-01   
208-825 8 Twin Falls ID 321J HD CARRIER LLC 652   2020-12-05   
986-201 2 Caldwell ID 321J HD CARRIER LLC 652   2020-09-26   
986-800 7 Idaho Falls ID 321J HD CARRIER LLC 652   2020-12-05   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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