Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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St Ignatius, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-744 A CHRLMT010MD  986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648      
406-744 2   986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648   2013-01-07   
406-744 4   145J TERRA NOVA TELECOM INC. 648   2025-10-06   
406-745 A CLTNMTXCRS1  2235 BLACKFOOT TEL. COOP., INC. 648      
406-745 0   2235 BLACKFOOT TEL. COOP., INC. 648      
406-745 2   2235 BLACKFOOT TEL. COOP., INC. 648      
406-745 3   2235 BLACKFOOT TEL. COOP., INC. 648      
406-745 4   2235 BLACKFOOT TEL. COOP., INC. 648      
406-745 5   2235 BLACKFOOT TEL. COOP., INC. 648      
406-745 9   2235 BLACKFOOT TEL. COOP., INC. 648      
406-824 A MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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