Local Calling Guide
Area code/prefix search
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-630
| A |
Sidney |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-630
| 4 |
Sidney |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2005-04-09 |
|
| 406-632
| 8 |
Harlowton |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2019-01-11 |
|
| 406-646
| 2 |
West Yellowstone |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-11-13 |
|
| 406-662
| 0 |
Bridger |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-11-13 |
|
| 406-668
| 0 |
Fromberg |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-11-13 |
|
| 406-686
| 0 |
Clyde Park |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-11-13 |
|
| 406-747
| 3 |
Fairview |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-748
| 7 |
Colstrip |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2005-02-21 |
|
| 406-763
| 0 |
Gallatin Gateway |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-11-13 |
|
| 406-765
| 5 |
Plentywood |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2023-08-29 |
|
| 406-795
| 1 |
Wibaux |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2006-11-28 |
|
| 406-838
| 0 |
Cooke City |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-11-13 |
|
| 406-848
| 0 |
Gardiner |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-11-13 |
|
| 406-891
| 4 |
Baker |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2024-07-12 |
|
| 406-901
| 2 |
Billings |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2021-07-23 |
|
| 406-924
| A |
Belgrade |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-924
| 1 |
Belgrade |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2009-03-19 |
|
| 406-924
| 4 |
Belgrade |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-12-20 |
|
| 406-931
| 1 |
Big Timber |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2019-01-11 |
|
| 406-942
| 1 |
Glasgow |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2023-04-11 |
|
| 406-943
| A |
Sidney |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-943
| 0 |
Sidney |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-943
| 4 |
Sidney |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-944
| A |
Miles City |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-944
| 0 |
Miles City |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-944
| 4 |
Miles City |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-946
| A |
Livingston |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-946
| 0 |
Livingston |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-946
| 4 |
Livingston |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-948
| A |
Glendive |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-948
| 0 |
Glendive |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-948
| 4 |
Glendive |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-953
| 0 |
Hardin |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-953
| 4 |
Hardin |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
|
|
| 406-957
| 3 |
Terry |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2023-02-27 |
|
| 406-962
| 0 |
Joliet |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2004-11-13 |
|
| 406-962
| 1 |
Joliet |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2008-07-17 |
|
| 406-974
| 6 |
Circle |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2019-10-10 |
|
| 406-983
| 1 |
Ashland |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2018-08-27 |
|
| 406-993
| 8 |
Big Sky |
MT |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
650 |
|
2019-02-14 |
|
| 701-505
| 7 |
East Sidney |
ND |
8054 LEVEL 3 COMMUNICATIONS, LLC - ND |
650 |
|
2023-01-08 |
|
| 701-940
| 6 |
East Fairview |
ND |
8054 LEVEL 3 COMMUNICATIONS, LLC - ND |
650 |
|
2023-01-08 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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