Ask the Expert:
What is an ICC number?
An ICC MC number is the Interstate Commerce Commission Motor Carrier number. These numbers, oftentimes referred to solely as MC numbers, are required to be displayed on the vehicles of regulated carriers.
While MCs are still currently required, the FMCSA has pushed toward having USDOT numbers are the sole identifiers. However, the deadline of this ruling was extended indefinitely as noted in an FMCSA Final Rule