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: PLSNMTPC1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-614 2 Bigfork MT 986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648   2021-03-26   
406-863 8 Whitefish MT 986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648   2021-12-18   
406-872 A Polson MT 986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648      
406-872 2 Polson MT 986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648   2007-12-06   
406-897 1 Columbia Falls MT 986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648   2023-01-20   

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

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