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
406-407 A Kalispell MT HLNAMTHUCM1  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648 2010-10-14    map
406-407 0 Kalispell MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648 2010-10-14     
406-407 1 Kalispell MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648 2011-02-06     
406-407 2 Kalispell MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648 2011-03-07     
406-407 3 Kalispell MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648 2011-05-05     
406-407 4 Kalispell MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648 2011-07-07     
406-407 5 Kalispell MT   6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 648 2011-07-28     
406-407 6 Kalispell MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648 2010-10-26     
406-407 7 Kalispell MT   453F 648 2011-07-01     
406-407 8 Kalispell MT   6010 NEW CINGULAR WIRELESS PCS, LLC 648 2011-07-08     
406-407 9 Kalispell MT   453F 648 2012-04-26     

Last updated: Sat, 09 Jun 2018 13:21:19 UTC

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