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.

OCN: 509K LIVEWIRE TELECOM, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
406-406 A Missoula MT MSSLMTMADS3  648   2025-02-01   
406-406 0 Missoula MT   648   2025-02-01   
406-406 1 Missoula MT   648   2025-02-01   
406-406 2 Missoula MT   648   2025-02-01   
406-406 3 Missoula MT   648   2025-02-01   
406-406 4 Missoula MT   648   2025-02-01   
406-406 5 Missoula MT   648   2025-02-01   
406-406 6 Missoula MT   648   2025-02-01   
406-406 7 Missoula MT   648   2025-02-01   
406-406 8 Missoula MT   648   2025-02-01   
406-406 9 Missoula MT   648   2025-02-01   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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