Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

NXX: 406

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-406 A Missoula MT MSSLMTMADS3  509K LIVEWIRE TELECOM, LLC 648   2025-02-01   
406-406 0 Missoula MT   509K LIVEWIRE TELECOM, LLC 648   2025-02-01   
406-406 1 Missoula MT   509K LIVEWIRE TELECOM, LLC 648   2025-02-01   
406-406 2 Missoula MT   509K LIVEWIRE TELECOM, LLC 648   2025-02-01   
406-406 3 Missoula MT   509K LIVEWIRE TELECOM, LLC 648   2025-02-01   
406-406 4 Missoula MT   509K LIVEWIRE TELECOM, LLC 648   2025-02-01   
406-406 5 Missoula MT   509K LIVEWIRE TELECOM, LLC 648   2025-02-01   
406-406 6 Missoula MT   509K LIVEWIRE TELECOM, LLC 648   2025-02-01   
406-406 7 Missoula MT   509K LIVEWIRE TELECOM, LLC 648   2025-02-01   
406-406 8 Missoula MT   509K LIVEWIRE TELECOM, LLC 648   2025-02-01   
406-406 9 Missoula MT   509K LIVEWIRE TELECOM, LLC 648   2025-02-01   

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

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