Public regulatory phone
(406) 497-3451
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 | 04c005ac29c3a2db0a84bfc251c0a2fdbf50abac5e2254aa3e1c77fcad56a4fb | Authoritative identifier (100.0%) | 2026-08-08 03:48:44 |