FCC Registration Number
FRN 0002426831
Cheyenne River Sioux Tribe Telephone Authority
CORES registration
- Entity name
- Cheyenne River Sioux Tribe Telephone Authority
- Entity type
- Tribal Govt Agency
- Registration date
- 2000-06-24
- FCC source updated
- 2024-03-28
- Contact organization
- Blooston, Mordkofsky, Dickens, Duffy & Prendergast, LLP
- Contact position
- General Manager
- Contact name
- Charles Fischer
- Contact address
- 625 N. Main St., Eagle Butte, SD 57625, United States
- CORES status
- available
- Last checked
- 2026-07-31 19:10:33
Public regulatory phone numbers
| Number | Contact | Source | Confidence |
|---|
| (202) 828-5562 | Salvatore Taillefer Blooston, Mordkofsky, Dickens, Duffy & Prendergast, LLP service_agent | FORM499 | 95.0% |
| (605) 964-2600 | Charles Fischer General Manager | CORES | 100.0% |
| (605) 964-2600 | Cheyenne River Sioux Tribal Tel. Authority customer_inquiries | FORM499 | 100.0% |
| (605) 964-2600 ext. 223 | Ken White Eyes mitigation_contact | RMD | 100.0% |
ULS licenses
| Grant date | Call sign | Service | Status | Licensee |
|---|
| 2021-10-12 | WNXP502 | IG | A | CHEYENNE RIVER SIOUX TRIBE TELEPHONE AUTHORITY |
| 2020-10-21 | WRJS823 | ED | A | Cheyenne River Sioux Tribe Telephone Authority dba CRST Telephone Auth |
| 2018-06-05 | KNKM920 | CD | A | Cheyenne River Sioux Tribe Telephone Authority |
| 2018-06-05 | KNKM253 | CD | A | Cheyenne River Sioux Tribe Telephone Authority |
| 2016-09-27 | KNLT766 | CD | A | CHEYENNE RIVER SIOUX TRIBE TELEPH. AUTH. |
| 2009-04-30 | KNKP755 | CR | E | CHEYENNE RIVER SIOUX TRIBE TELEPHONE AUTHORITY |
FCC Form 499 filers
| Current as of | Filer ID | Legal name |
|---|
| 2026-04-01 | 809682 | Cheyenne River Sioux Tribal Tel. Authority |
Robocall Mitigation Database filings
| Recertified | RMD number | Business |
|---|
| 2026-02-27 | RMD0003168 | Cheyenne River Sioux Tribe Telephone Authority |
Broadband Data Collection providers
| Publication | Provider ID | Holding company |
|---|
| 2025-12-31 | 130243 | Cheyenne River Sioux Tribe Telephone Authority |
Source provenance
| System | Record | Recorded name | Raw FRN | Observed |
|---|
| FORM499 | 809682:397002 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-05 11:18:25 |
| FORM499 | 809682:397003 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-05 11:18:25 |
| FORM499 | 809682:397004 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-05 11:18:25 |
| FORM499 | 809682:397001 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-05 11:18:25 |
| FORM499 | 809682:341355 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-04 15:18:22 |
| FORM499 | 809682:341357 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-04 15:18:22 |
| FORM499 | 809682:341356 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-04 15:18:22 |
| FORM499 | 809682:341354 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-04 15:18:22 |
| FORM499 | 809682:285707 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-03 17:48:19 |
| FORM499 | 809682:285710 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-03 17:48:19 |
| FORM499 | 809682:285708 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-03 17:48:19 |
| FORM499 | 809682:285709 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-03 17:48:19 |
| FORM499 | 809682:230060 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-03 00:48:15 |
| FORM499 | 809682:230063 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-03 00:48:15 |
| FORM499 | 809682:230061 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-03 00:48:15 |
| FORM499 | 809682:230062 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-03 00:48:15 |
| FORM499 | 809682:174413 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-01 14:48:12 |
| FORM499 | 809682:174414 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-01 14:48:12 |
| FORM499 | 809682:174416 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-01 14:48:12 |
| FORM499 | 809682:174415 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-08-01 14:48:12 |
| FORM499 | 809682 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-07-31 20:48:03 |
| FORM499 | 4101 | Cheyenne River Sioux Tribal Tel. Authority | 0002426831 | 2026-07-31 20:09:43 |
| CORES | 0002426831 | Cheyenne River Sioux Tribe Telephone Authority | 0002426831 | 2026-07-31 19:10:33 |
| RMD | RMD0003168 | Cheyenne River Sioux Tribe Telephone Authority | 0002426831 | 2026-07-31 19:09:49 |
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