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: 247

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-247 A Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650      
406-247 0 Billings MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650   2010-04-15   
406-247 1 Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650      
406-247 2 Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650      
406-247 3 Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650      
406-247 4 Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650      
406-247 5 Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650      
406-247 6 Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650      
406-247 7 Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650      
406-247 8 Billings MT BLNGMTMADS1  9636 QWEST CORPORATION 650      
406-247 9 Billings MT   145J TERRA NOVA TELECOM INC. 650   2021-09-28   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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