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: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-637 A Terry MT TRRYMTMARS1  9636 QWEST CORPORATION 650      
406-637 3 Terry MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-637 4 Terry MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-637 5 Terry MT TRRYMTMARS1  9636 QWEST CORPORATION 650      
406-637 6 Terry MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-637 7 Terry MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-637 8 Terry MT BLNGMT93DS0  588H AIRUS, INC. - MT 650      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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