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: 872

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-872 A Polson MT PLSNMTPC1MD  986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648      
406-872 0 Polson MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-15   
406-872 1 Polson MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-15   
406-872 2 Polson MT PLSNMTPC1MD  986F WESTERN MONTANA COMMUNITYTEL INC. - MT 648   2007-12-06   
406-872 3 Polson MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-15   
406-872 4 Polson MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2012-12-15   
406-872 5 Polson MT   6529 T-MOBILE USA, INC. 648   2025-02-23   
406-872 6 Polson MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648   2014-05-24   
406-872 7 Polson MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648   2011-03-05   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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