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: 536

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-536 A Bozeman MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2025-02-09   
406-536 0 Bozeman MT   6529 T-MOBILE USA, INC. 650   2025-02-23   
406-536 5 Bozeman MT   624H ONVOY SPECTRUM, LLC 650   2025-02-10   
406-536 9 Bozeman MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650   2025-02-09   

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

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