U.S. Telecommunications Companies
FCC Form 499 Filer Database
Search by FCC Form 499 Filer ID Number
Enter the FCC Form 499 ID to see all information regarding company.
Search by Registration Number (CORESID)
Enter CORESID Registration Number to see all information regarding company.
Principal Communication Types
Click one of the links below to view all companies of that communication type.
Telecommunication Companies by State/Region
Click one of the state links to view all telecommunication companies in that state/region.