Public regulatory phone
(919) 788-4314
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 |
|---|---|---|---|---|---|
| MARTIN MARIETTA MATERIALS INC L | 0001936434 | ULS | 021a673ab01fcf799a02b53fdb1c7a9bf7cf2d16b20e7bf028242bc92bec9b0d | Authoritative identifier (100.0%) | 2026-08-04 09:48:27 |