Public regulatory phone
(636) 247-7555
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 |
|---|---|---|---|---|---|
| Pfizer Inc. L | 0009644790 | ULS | 1047f0dbdd3ba11344e2d693c1d1fd538bf54a5d33bbe62652289bab55341afa | Authoritative identifier (100.0%) | 2026-09-05 12:15:16 |
| Pfizer Inc. L | 0009644790 | ULS | 0152a6812a9b7e9530dc7f88ddf391288429983a3d9af424bb16af644be7f1b4 | Authoritative identifier (100.0%) | 2026-08-03 02:48:27 |