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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
406-300 A Kalispell MT   008E BRESNAN BROADBAND OF MONTANA, LLC - MT (CHARTER) 648     map
406-300 0 Kalispell MT   453F 648 2016-05-06     
406-300 1 Kalispell MT   008E BRESNAN BROADBAND OF MONTANA, LLC - MT (CHARTER) 648 2013-09-13     
406-300 2 Kalispell MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648 2014-07-14     
406-300 3 Kalispell MT   453F 648 2017-05-15     
406-300 4 Kalispell MT   453F 648 2016-07-29     
406-300 5 Kalispell MT   453F 648 2017-11-20     
406-300 6 Kalispell MT   771G TELEPORT COMMUNICATIONS AMERICA - MT - LLC 648 2014-06-06     
406-300 7 Kalispell MT   7575 CENTURYLINK COMMUNICATIONS LLC 648 2014-05-24     

Last updated: Sat, 14 Apr 2018 22:33:36 UTC

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