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: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-688 A Scobey MT   443B SAGEBRUSH CELLULAR, INC. 650      
406-688 8 Scobey MT   443B SAGEBRUSH CELLULAR, INC. 650   2014-04-01   
406-688 9 Scobey MT   443B SAGEBRUSH CELLULAR, INC. 650   2014-04-01   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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