Public regulatory phone
(262) 728-4100
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 |
|---|---|---|---|---|---|
| DELAVAN LAKE SANITARY DISTRICT L | 0009822073 | ULS | 0231df119588b5275205ff041ba6b133fcc97179af133396ab3c11995da7368f | Authoritative identifier (100.0%) | 2026-08-04 11:48:27 |