Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HLNAMTHH5MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-221 7 Butte MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2008-08-09   
406-262 7 Havre MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2006-03-04   
406-266 0 Townsend MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2019-06-14   
406-299 2 Butte MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2007-01-02   
406-299 3 Butte MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2012-03-05   
406-313 1 Boulder MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2019-06-14   
406-315 1 Great Falls MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2011-03-10   
406-315 2 Great Falls MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2011-11-17   
406-315 3 Great Falls MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2012-05-06   
406-315 8 Great Falls MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2014-04-30   
406-353 1 Harlem MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2021-04-23   
406-357 6 Chinook MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2021-04-23   
406-415 A Deer Lodge MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-415 1 Deer Lodge MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2010-06-07   
406-422 A Helena MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-422 0 Helena MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2006-03-14   
406-422 1 Helena MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2007-10-19   
406-422 4 Helena MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2008-04-09   
406-422 5 Helena MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2005-05-06   
406-468 6 Cascade MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2020-09-05   
406-502 A Helena MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-502 1 Helena MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2012-06-01   
406-502 2 Helena MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2014-04-30   
406-513 A Helena MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-513 1 Helena MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2008-05-30   
406-563 0 Anaconda MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2006-04-09   
406-565 5 Butte MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2005-05-13   
406-622 9 Fort Benton MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2017-10-08   
406-680 0 Malta MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2021-04-23   
406-770 3 Great Falls MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2008-06-09   
406-845 A Cut Bank MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-845 1 Cut Bank MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2009-01-02   
406-846 4 Deer Lodge MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2007-05-15   
406-866 0 Great Falls MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2006-03-13   
406-873 0 Cut Bank MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2006-07-03   
406-925 5 Dillon MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2008-11-21   
406-945 9 Havre MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2008-11-21   
406-952 0 Great Falls MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2007-02-07   
406-952 1 Great Falls MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2008-06-20   
406-952 4 Great Falls MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2005-07-17   
406-988 0 Dillon MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2006-03-24   
406-996 A Helena MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-996 1 Helena MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2011-03-10   

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

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