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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-482 A Sidney MT SDNYMTMARS1  9636 QWEST CORPORATION 650      
406-482 1 Sidney MT   9636 QWEST CORPORATION 650      
406-482 2 Sidney MT   9636 QWEST CORPORATION 650      
406-482 3 Sidney MT   9636 QWEST CORPORATION 650      
406-482 4 Sidney MT   9636 QWEST CORPORATION 650      
406-482 6 Sidney MT   9636 QWEST CORPORATION 650      
406-482 8 Sidney MT   9636 QWEST CORPORATION 650      
406-482 9 Sidney MT   9636 QWEST CORPORATION 650      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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