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 contactFRNSystemSource recordConfidenceObserved
Madison Network Systems, Inc.
service_agent
0003741873FORM499808021:451236High confidence (95.0%)2026-08-06 12:48:29
Madison Tel. Co.
service_agent
0003741733FORM499808020:451233High confidence (95.0%)2026-08-06 12:48:29
Madison Tel. Co.
service_agent
0003741733FORM499808020:395586High confidence (95.0%)2026-08-05 09:48:24
Madison Network Systems, Inc.
service_agent
0003741873FORM499808021:395589High confidence (95.0%)2026-08-05 09:48:24
Madison Network Systems, Inc.
service_agent
0003741873FORM499808021:339942High confidence (95.0%)2026-08-04 12:48:21
Madison Tel. Co.
service_agent
0003741733FORM499808020:339939High confidence (95.0%)2026-08-04 12:48:21
Madison Network Systems, Inc.
service_agent
0003741873FORM499808021:284295High confidence (95.0%)2026-08-03 15:48:16
Madison Tel. Co.
service_agent
0003741733FORM499808020:284292High confidence (95.0%)2026-08-03 15:48:16
Madison Network Systems, Inc.
service_agent
0003741873FORM499808021:228648High confidence (95.0%)2026-08-02 22:18:14
Madison Tel. Co.
service_agent
0003741733FORM499808020:228645High confidence (95.0%)2026-08-02 22:18:14
Madison Network Systems, Inc.
service_agent
0003741873FORM499808021:173001High confidence (95.0%)2026-08-01 13:18:10
Madison Tel. Co.
service_agent
0003741733FORM499808020:172998High confidence (95.0%)2026-08-01 13:18:10