Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

NXX: 348

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-348 A Huntley MT HNTLMTXCRS1  2250 PROJECT TEL. CO., INC. 650      
406-348 0 Huntley MT   2250 PROJECT TEL. CO., INC. 650      
406-348 1 Huntley MT   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650   2025-03-06   
406-348 2 Huntley MT   2250 PROJECT TEL. CO., INC. 650      
406-348 3 Huntley MT   2250 PROJECT TEL. CO., INC. 650      
406-348 4 Huntley MT   2250 PROJECT TEL. CO., INC. 650      
406-348 5 Huntley MT   792K CHARTER IP ENABLED SERVICES, LLC 650   2025-04-08   
406-348 6 Huntley MT   2250 PROJECT TEL. CO., INC. 650      
406-348 7 Huntley MT   2250 PROJECT TEL. CO., INC. 650      
406-348 8 Huntley MT   2250 PROJECT TEL. CO., INC. 650      
406-348 9 Huntley MT   2250 PROJECT TEL. CO., INC. 650      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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