The federal number identifying an entity with interstate operating authority.
Issued by the FMCSA. It tells you who an entity is and what they are authorised to do — carrier, broker, or both.
Anyone can quote you a number. Checking it against the public record, and confirming the name and address match who is talking to you, takes a minute and prevents the most common freight fraud.
Related
Inteleri works out what a load actually pays you once things like this land. See how it works.