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: 467

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-467 A Fairfield MT FRFDMTXCDS1  2255 3 RIVERS TEL. COOP., INC. 648      
406-467 0 Fairfield MT   2255 3 RIVERS TEL. COOP., INC. 648   2023-12-31   
406-467 1 Fairfield MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-467 2 Fairfield MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-467 3 Fairfield MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-467 4 Fairfield MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-467 5 Fairfield MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-467 6 Fairfield MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-467 7 Fairfield MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-467 8 Fairfield MT   2255 3 RIVERS TEL. COOP., INC. 648      
406-467 9 Fairfield MT   2255 3 RIVERS TEL. COOP., INC. 648      

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

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