Public regulatory phone
(701) 232-3377
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 |
|---|---|---|---|---|---|
| GUARDIAN BUILDING PRODUCTS, INC. L | 0022013783 | ULS | 045ef38c3fb34cb148366974cae892cf479ccb53a81b15bbded69ce700284b73 | Authoritative identifier (100.0%) | 2026-08-07 11:18:41 |