Local Calling Guide
Area code/prefix search
Great Falls, MT
<< 1 2 3
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-923
| A |
MSSLMTXC3MD |
939H COMMIO, LLC |
648 |
|
|
|
| 406-923
| 3 |
MSSLMTXC3MD |
939H COMMIO, LLC |
648 |
|
2023-03-26 |
|
| 406-923
| 8 |
GRFLMTMAGMD |
6529 T-MOBILE USA, INC. |
648 |
|
2022-11-21 |
|
| 406-923
| 9 |
GRFLMTMAGMD |
6529 T-MOBILE USA, INC. |
648 |
|
2022-11-21 |
|
| 406-952
| A |
GRFLMTMAKMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
|
|
| 406-952
| 0 |
HLNAMTHH5MD |
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2007-02-07 |
|
| 406-952
| 1 |
HLNAMTHH5MD |
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2008-06-20 |
|
| 406-952
| 2 |
GRFLMTMAKMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2019-11-25 |
|
| 406-952
| 3 |
HLNAMTMAMMD |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
648 |
|
2006-11-30 |
|
| 406-952
| 4 |
HLNAMTHH5MD |
792K CHARTER IP ENABLED SERVICES, LLC |
648 |
|
2005-07-17 |
|
| 406-952
| 5 |
GRFLMTMAKMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2021-10-30 |
|
| 406-952
| 6 |
GRFLMTMAKMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2021-10-30 |
|
| 406-952
| 7 |
GRFLMTMAKMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2020-08-05 |
|
| 406-952
| 8 |
GRFLMTMAKMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2020-08-05 |
|
| 406-952
| 9 |
GRFLMTMAKMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2020-08-05 |
|
| 406-964
| A |
VGHNMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-964
| 0 |
VGHNMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-964
| 1 |
VGHNMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-964
| 2 |
GRFLMTMAKMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2021-10-30 |
|
| 406-964
| 3 |
GRFLMTMAKMD |
624H ONVOY SPECTRUM, LLC |
648 |
|
2021-10-30 |
|
| 406-964
| 4 |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-10-05 |
|
| 406-964
| 5 |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-10-05 |
|
| 406-964
| 6 |
GRFLMTMA7MD |
453F ONVOY, LLC - MT |
648 |
|
2020-10-05 |
|
| 406-964
| 7 |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2024-11-10 |
|
| 406-964
| 8 |
VGHNMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-964
| 9 |
MSSLMTAG5MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
648 |
|
2023-12-23 |
|
| 406-965
| A |
GRFLMTMADS3 |
588H AIRUS, INC. - MT |
648 |
|
|
|
| 406-965
| 1 |
GRFLMTMADS3 |
588H AIRUS, INC. - MT |
648 |
|
2023-11-26 |
|
| 406-965
| 2 |
VGHNMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
| 406-965
| 3 |
VGHNMTMARS1 |
9636 QWEST CORPORATION |
648 |
|
|
|
<< 1 2 3
Last updated: Sun, 01 Jun 2025 02:18:11 UTC
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