Public regulatory phone
(800) 792-7152
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 |
|---|---|---|---|---|---|
| Custom Switching Technologies, Inc. customer_inquiries | 0003735347 | FORM499 | 819044 | Authoritative identifier (100.0%) | 2026-08-01 01:48:05 |