Public regulatory phone
(918) 824-7280
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 |
|---|---|---|---|---|---|
| Grand River Dam Authority L | 0001689835 | ULS | 01f518f442363afde2b349df449579ee6f06716f2a1fc796867c05cb6941e243 | Authoritative identifier (100.0%) | 2026-08-04 04:48:25 |