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OCN: 9415 LEVEL 3 COMMUNICATIONS, LLC - MT

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
406-203 A Missoula MT MSSLMTMA0MD  648      
406-203 0 Missoula MT   648      
406-203 1 Missoula MT   648      
406-203 3 Missoula MT   648   2012-02-26   
406-203 4 Missoula MT   648      
406-203 5 Missoula MT   648   2012-08-25   
406-203 9 Missoula MT   648   2014-10-24   
406-204 A Helena MT MSSLMTMA0MD  648      
406-204 0 Helena MT   648      
406-204 3 Helena MT   648   2011-11-25   
406-204 4 Helena MT   648      
406-205 A Great Falls MT MSSLMTMA0MD  648      
406-205 0 Great Falls MT   648      
406-205 1 Great Falls MT   648      
406-205 2 Great Falls MT   648      
406-205 3 Great Falls MT   648      
406-205 4 Great Falls MT   648      
406-205 5 Great Falls MT   648      
406-205 6 Great Falls MT   648      
406-205 7 Great Falls MT   648      
406-205 8 Great Falls MT   648      
406-206 A Billings MT BLNGMTWE6MD  650      
406-213 A Colstrip MT BLNGMTWE6MD  650      
406-213 0 Colstrip MT   650      
406-213 4 Colstrip MT   650      
406-218 2 Missoula MT   648   2016-04-21   
406-218 4 Missoula MT   648   2022-08-27   
406-219 0 Bozeman MT   650   2006-10-24   
406-226 3 East Glacier Park MT   648   2023-02-27   
406-233 6 Miles City MT   650   2005-02-21   
406-235 1 Wolf Creek MT   648   2006-11-08   
406-262 6 Havre MT   648   2023-01-13   
406-278 6 Conrad MT   648   2006-07-10   
406-282 0 Manhattan MT   650   2004-11-13   
406-283 3 Libby MT   960   2017-04-01   
406-285 2 Three Forks MT   650   2004-11-13   
406-290 0 Columbus MT   650   2007-12-17   
406-290 1 Columbus MT   650   2008-01-28   
406-290 2 Columbus MT   650   2008-02-04   
406-292 2 Joplin MT   648   2019-01-18   
406-295 8 Troy MT   960   2017-04-01   
406-298 1 Columbus MT   650   2008-02-29   
406-299 A Butte MT MSSLMTMA0MD  648      
406-299 8 Butte MT   648   2013-02-28   
406-299 9 Butte MT   648      
406-301 5 Malta MT   648   2019-01-11   
406-302 3 Wolf Creek MT   648   2019-06-28   
406-305 1 White Sulphur Springs MT   650   2019-01-11   
406-308 8 Cascade MT   648   2023-04-24   
406-309 6 Kalispell MT   648   2018-08-26   
406-312 4 Bozeman MT   650   2025-02-10   
406-317 7 Missoula MT   648   2020-09-19   
406-320 3 Roundup MT   650   2019-10-10   
406-322 2 Columbus MT   650   2004-11-13   
406-322 3 Columbus MT   650   2006-01-06   
406-328 3 Absarokee MT   650   2023-03-29   
406-333 0 Livingston MT   650   2004-11-13   
406-348 1 Huntley MT   650   2025-03-06   
406-353 6 Harlem MT   648   2019-01-11   
406-356 5 Forsyth MT   650   2006-05-21   
406-357 1 Chinook MT   648   2019-11-28   
406-365 1 Glendive MT   650   2005-02-21   
406-378 8 Big Sandy MT   648   2024-10-17   
406-382 3 Superior MT   648   2016-06-27   
406-387 2 Hungry Horse MT   648   2023-02-27   
406-393 4 Somers MT   648   2021-01-21   
406-394 6 North Havre MT   648   2019-01-18   
406-405 4 Libby MT   960   2023-05-14   
406-415 2 Deer Lodge MT   648   2011-01-16   
406-417 3 Helena MT   648   2019-01-05   
406-419 1 Victor MT   648   2021-05-01   
406-420 0 Bigfork MT   648   2020-06-09   
406-434 6 Shelby MT   648   2005-02-21   
406-438 4 Helena MT   648   2023-04-01   
406-445 0 Red Lodge MT   650   2004-11-13   
406-445 1 Red Lodge MT   650   2007-04-19   
406-466 7 Choteau MT   648   2024-10-17   
406-476 2 Dutton MT   648   2017-10-20   
406-477 1 Lame Deer MT   650   2018-08-27   
406-481 3 Missoula MT   648   2024-06-19   
406-496 7 Butte MT   648   2024-05-19   
406-500 3 Billings MT   650   2019-08-23   
406-501 2 Whitehall MT   648   2020-10-31   
406-504 A Fairfield MT MSSLMTMA0MD  648      
406-504 2 Fairfield MT   648   2021-05-19   
406-507 A Whitefish MT MSSLMTMA0MD  648      
406-507 1 Whitefish MT   648   2023-04-21   
406-508 A Frenchtown MT MSSLMTMA0MD  648      
406-508 2 Frenchtown MT   648   2012-04-01   
406-512 A Boulder MT MSSLMTMA0MD  648      
406-512 1 Boulder MT   648   2023-04-25   
406-519 2 Missoula MT   648   2021-06-27   
406-530 A Laurel MT BLNGMTWE6MD  650      
406-530 2 Laurel MT   650   2007-01-05   
406-530 6 Laurel MT   650   2008-05-13   
406-534 0 Billings MT   650   2006-09-01   
406-545 A Billings MT BLNGMTWE6MD  650      
406-545 0 Billings MT   650   2004-12-29   
406-545 1 Billings MT   650   2007-06-19   
406-545 2 Billings MT   650   2007-06-19   

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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