Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: KLSLMTAZ1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-260 4 Kalispell MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2008-06-17   
406-300 A Kalispell MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-300 1 Kalispell MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2013-09-13   
406-309 A Kalispell MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-309 2 Kalispell MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2011-12-01   
406-314 4 Kalispell MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2006-03-04   
406-314 6 Kalispell MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2014-05-13   
406-393 A Somers MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-393 2 Somers MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2006-05-21   
406-420 A Bigfork MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-420 2 Bigfork MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2006-04-21   
406-571 A Finley Point MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-571 2 Finley Point MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2006-04-21   
406-692 6 Yellow Bay MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2014-06-27   
406-709 A Lakeside MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-709 2 Lakeside MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-730 A Whitefish MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-730 1 Whitefish MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2008-05-05   
406-730 2 Whitefish MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2006-04-21   
406-730 8 Whitefish MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2013-11-11   
406-890 A Kalispell MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-890 2 Kalispell MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2007-03-03   
406-897 A Columbia Falls MT 792K CHARTER IP ENABLED SERVICES, LLC 648      
406-897 2 Columbia Falls MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2006-04-21   
406-897 5 Columbia Falls MT 792K CHARTER IP ENABLED SERVICES, LLC 648   2015-11-12   

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

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