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: 769

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-769 A Bainville MT BNVLMTXCRS1  2247 NEMONT TEL COOP INC 650      
406-769 2 Bainville MT   2247 NEMONT TEL COOP INC 650      
406-769 3 Bainville MT   145J TERRA NOVA TELECOM INC. 650   2025-08-28   
406-769 7 Bainville MT   443B SAGEBRUSH CELLULAR, INC. 650      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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