Glossary2 min read
What is MC Number? Trucking Tax Glossary
Motor Carrier Number: An operating authority number issued by the FMCSA for for-hire carriers. Learn why this matters for your trucking business.
📅 November 2025✍️ QuickTruckTax Team
📖 Trucking Terminology
Motor Carrier Number (MC Number)
An operating authority number issued by the FMCSA for for-hire carriers.
Definition
In the world of trucking and taxes, acronyms are everywhere. MC Number stands for Motor Carrier Number.
Why It Matters
Understanding MC Number is crucial for maintaining compliance with the IRS and FMCSA.
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