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: 687

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-687 A West Glendive MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-687 0 West Glendive MT   6010 NEW CINGULAR WIRELESS PCS, LLC 650   2025-02-03   
406-687 1 West Glendive MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-687 3 West Glendive MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-687 7 West Glendive MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-687 8 West Glendive MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      
406-687 9 West Glendive MT WGLNMTXCDS2  2246 MID-RIVERS TEL. COOP., INC. 650      

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

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