Public regulatory phone
(605) 823-4872
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 |
|---|---|---|---|---|---|
| PFEIFER INC. L | 0024679789 | ULS | 024997de301e5f3678d66929a367a79353496ea4ea7f952501c3e7fc028e11d5 | Authoritative identifier (100.0%) | 2026-08-04 15:18:27 |