Public regulatory phone
(608) 223-6600
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 |
|---|---|---|---|---|---|
| FIRST SUPPLY LLC L | 0014377097 | ULS | 001f4a0125cbb0c8227f4b10b22d52b6092bdd53b2035744c92a717a53a9435e | Authoritative identifier (100.0%) | 2026-07-31 20:48:08 |