Public regulatory phone
(270) 483-2541
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 |
|---|---|---|---|---|---|
| KOPPERS INC. L | 0025785296 | ULS | 15069978277ff4b30c3a335614cd15a60fe53d6b1e86f4c709f81578fcdb1bc5 | Authoritative identifier (100.0%) | 2026-09-15 07:45:56 |