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: 235

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-235 A Wolf Creek MT WLCKMTMARS1  9636 QWEST CORPORATION 648      
406-235 0 Wolf Creek MT MSSLMTAG5MD  6010 NEW CINGULAR WIRELESS PCS, LLC 648   2011-04-21   
406-235 1 Wolf Creek MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2006-11-08   
406-235 3 Wolf Creek MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2023-08-20   
406-235 4 Wolf Creek MT WLCKMTMARS1  9636 QWEST CORPORATION 648      
406-235 5 Wolf Creek MT GRFLMTMAHMD  073H TELNYX LLC 648   2020-08-13   
406-235 6 Wolf Creek MT HLNAMTMAZMD  624H ONVOY SPECTRUM, LLC 648   2025-01-02   
406-235 7 Wolf Creek MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2007-03-19   
406-235 8 Wolf Creek MT GRFLMTMAHMD  073H TELNYX LLC 648   2022-01-18   
406-235 9 Wolf Creek MT WLCKMTMARS1  9636 QWEST CORPORATION 648      

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

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