Public regulatory phone
(800) 578-1591
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 |
|---|---|---|---|---|---|
| Madison Tel. Co. service_agent | 0003741733 | FORM499 | 808020:673821 | High confidence (95.0%) | 2026-08-11 15:18:51 |
| Madison Network Systems, Inc. service_agent | 0003741873 | FORM499 | 808021:673824 | High confidence (95.0%) | 2026-08-11 15:18:51 |
| Madison Network Systems, Inc. service_agent | 0003741873 | FORM499 | 808021:618177 | High confidence (95.0%) | 2026-08-10 12:48:46 |
| Madison Tel. Co. service_agent | 0003741733 | FORM499 | 808020:618174 | High confidence (95.0%) | 2026-08-10 12:48:46 |
| Madison Tel. Co. service_agent | 0003741733 | FORM499 | 808020:562527 | High confidence (95.0%) | 2026-08-10 02:18:44 |
| Madison Network Systems, Inc. service_agent | 0003741873 | FORM499 | 808021:562530 | High confidence (95.0%) | 2026-08-10 02:18:44 |
| Madison Network Systems, Inc. service_agent | 0003741873 | FORM499 | 808021:506883 | High confidence (95.0%) | 2026-08-08 11:18:37 |
| Madison Tel. Co. service_agent | 0003741733 | FORM499 | 808020:506880 | High confidence (95.0%) | 2026-08-08 11:18:37 |
| Madison Network Systems, Inc. service_agent | 0003741873 | FORM499 | 808021:451236 | High confidence (95.0%) | 2026-08-06 12:48:29 |
| Madison Tel. Co. service_agent | 0003741733 | FORM499 | 808020:451233 | High confidence (95.0%) | 2026-08-06 12:48:29 |
| Madison Tel. Co. service_agent | 0003741733 | FORM499 | 808020:395586 | High confidence (95.0%) | 2026-08-05 09:48:24 |
| Madison Network Systems, Inc. service_agent | 0003741873 | FORM499 | 808021:395589 | High confidence (95.0%) | 2026-08-05 09:48:24 |
| Madison Network Systems, Inc. service_agent | 0003741873 | FORM499 | 808021:339942 | High confidence (95.0%) | 2026-08-04 12:48:21 |
| Madison Tel. Co. service_agent | 0003741733 | FORM499 | 808020:339939 | High confidence (95.0%) | 2026-08-04 12:48:21 |
| Madison Network Systems, Inc. service_agent | 0003741873 | FORM499 | 808021:284295 | High confidence (95.0%) | 2026-08-03 15:48:16 |
| Madison Tel. Co. service_agent | 0003741733 | FORM499 | 808020:284292 | High confidence (95.0%) | 2026-08-03 15:48:16 |
| Madison Network Systems, Inc. service_agent | 0003741873 | FORM499 | 808021:228648 | High confidence (95.0%) | 2026-08-02 22:18:14 |
| Madison Tel. Co. service_agent | 0003741733 | FORM499 | 808020:228645 | High confidence (95.0%) | 2026-08-02 22:18:14 |
| Madison Network Systems, Inc. service_agent | 0003741873 | FORM499 | 808021:173001 | High confidence (95.0%) | 2026-08-01 13:18:10 |
| Madison Tel. Co. service_agent | 0003741733 | FORM499 | 808020:172998 | High confidence (95.0%) | 2026-08-01 13:18:10 |