Local Calling Guide

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NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

NXX: 951

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-951 A Miles City MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-951 0 Miles City MT   6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-951 1 Miles City MT   6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-951 2 Miles City MT   6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-951 3 Miles City MT   6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-951 4 Miles City MT   6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-951 6 Miles City MT   145J TERRA NOVA TELECOM INC. 650   2024-02-12   
406-951 8 Miles City MT   145J TERRA NOVA TELECOM INC. 650   2025-02-14   
406-951 9 Miles City MT   453F ONVOY, LLC - MT 650   2024-04-14   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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