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: BOITIDGD0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
208-271 0 McCall ID 4032 CTC TELECOM, INC. 652   2014-03-14   
208-325 6 Donnelly ID 4032 CTC TELECOM, INC. 652   2014-03-14   
208-347 1 New Meadows ID 4032 CTC TELECOM, INC. 652   2014-03-14   
208-370 A Boise ID 4032 CTC TELECOM, INC. 652      
208-370 1 Boise ID 4032 CTC TELECOM, INC. 652   2020-07-02   
208-408 A Cascade ID 4032 CTC TELECOM, INC. 652      
208-408 5 Cascade ID 4032 CTC TELECOM, INC. 652   2014-03-30   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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