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: 584

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-584 A Lindsay MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-584 7 Lindsay MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-584 9 Lindsay MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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