Local Calling Guide
Area code/prefix search
Frenchtown, MT
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-508
| A |
MSSLMTMA0MD |
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
|
|
| 406-508
| 0 |
|
073H TELNYX LLC |
648 |
|
2020-08-13 |
|
| 406-508
| 1 |
|
453F ONVOY, LLC - MT |
648 |
|
2012-12-24 |
|
| 406-508
| 2 |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2012-04-01 |
|
| 406-508
| 3 |
|
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-508
| 4 |
|
453F ONVOY, LLC - MT |
648 |
|
2021-03-07 |
|
| 406-508
| 5 |
|
453F ONVOY, LLC - MT |
648 |
|
2019-09-15 |
|
| 406-508
| 6 |
|
453F ONVOY, LLC - MT |
648 |
|
2020-11-08 |
|
| 406-508
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
648 |
|
2014-05-24 |
|
| 406-508
| 8 |
|
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-508
| 9 |
|
453F ONVOY, LLC - MT |
648 |
|
2021-07-05 |
|
| 406-626
| A |
FCTWMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-626
| 0 |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-626
| 1 |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-626
| 2 |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-626
| 3 |
|
9415 LEVEL 3 COMMUNICATIONS, LLC - MT |
648 |
|
2006-11-08 |
|
| 406-626
| 4 |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-626
| 5 |
|
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-626
| 6 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2024-10-14 |
|
| 406-626
| 7 |
|
453F ONVOY, LLC - MT |
648 |
|
2007-03-19 |
|
| 406-626
| 8 |
|
453F ONVOY, LLC - MT |
648 |
|
2011-10-29 |
|
| 406-626
| 9 |
|
453F ONVOY, LLC - MT |
648 |
|
2023-08-20 |
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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