Public regulatory phone
(406) 497-3845
Associations below come from public FCC regulatory records. Confidence describes the source relationship, not current ownership of the number.
| Company or contact | FRN | System | Source record | Confidence | Observed |
|---|---|---|---|---|---|
| NorthWestern Corporation L | 0012478665 | ULS | 03f591eef1375914640a5727657dc2c51754a0b414b8e0c32a253ec91e28aeb9 | Authoritative identifier (100.0%) | 2026-08-06 18:18:37 |