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: 982

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-982 A Yellow Bay MT YLBYMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-982 0 Yellow Bay MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2021-07-08   
406-982 1 Yellow Bay MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648   2023-03-02   
406-982 2 Yellow Bay MT YLBYMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-982 3 Yellow Bay MT YLBYMTXCRS0  2249 CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK 648      
406-982 7 Yellow Bay MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-31   
406-982 8 Yellow Bay MT   073H TELNYX LLC 648   2025-02-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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