Public regulatory phone
(605) 964-2600
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 |
|---|---|---|---|---|---|
| Cheyenne River Sioux Tribal Tel. Authority customer_inquiries | 0002426831 | FORM499 | 809682 | Authoritative identifier (100.0%) | 2026-07-31 20:48:03 |
| Cheyenne River Sioux Tribal Tel. Authority General Manager | 0002426831 | CORES | 0002426831 | Authoritative identifier (100.0%) | 2026-07-31 19:10:33 |
| Cheyenne River Sioux Tribal Tel. Authority mitigation_contact | 0002426831 | RMD | RMD0003168 | Authoritative identifier (100.0%) | 2026-07-31 19:09:49 |