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 TRIBE TELEPHONE AUTHORITY owner | ASR | b72f2d6ac123555362fe6838a9e125cb8176e7ceecb3d1247dbe26af1599ca2b | Authoritative identifier (100.0%) | 2026-08-11 11:48:57 | |
| CHEYENNE RIVER SIOUX TRIBE TELEPHONE AUTHORITY owner | ASR | 9e9b104e9a735d85ff7bdabbeae7281a5bd7e625c791bf2682714bdc64d52de9 | Authoritative identifier (100.0%) | 2026-08-09 23:18:50 | |
| CHEYENNE RIVER SIOUX TRIBE TELEPHONE AUTHORITY owner | ASR | 8bd86b363fc987aa0b6dca944be0a3b52ce923d59b12104900a0125884e6ba79 | Authoritative identifier (100.0%) | 2026-08-08 07:18:43 | |
| 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 |