Local Calling Guide
Area code/prefix search
Switch: GRFLMTMAGMD
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 406-401
| 5 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2020-12-23 |
|
| 406-402
| A |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
|
|
| 406-402
| 0 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2022-04-02 |
|
| 406-402
| 2 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2021-07-07 |
|
| 406-402
| 3 |
Great Falls |
MT |
5562 METROPCS, INC. |
648 |
|
2018-06-24 |
|
| 406-402
| 4 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2022-09-29 |
|
| 406-402
| 5 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2021-04-15 |
|
| 406-402
| 6 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2020-02-06 |
|
| 406-402
| 7 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2019-04-12 |
|
| 406-402
| 8 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2018-10-08 |
|
| 406-402
| 9 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2017-11-15 |
|
| 406-760
| 4 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2024-07-25 |
|
| 406-760
| 8 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2022-02-08 |
|
| 406-866
| 8 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2023-10-23 |
|
| 406-923
| 8 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2022-11-21 |
|
| 406-923
| 9 |
Great Falls |
MT |
6529 T-MOBILE USA, INC. |
648 |
|
2022-11-21 |
|
Last updated: Sat, 05 Apr 2025 03:03:23 UTC
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