NMFC Code Lookup

National Motor Freight Classification (NMFC) code database for accurate freight class determination.

What is NMFC?

The National Motor Freight Classification (NMFC) is a standard that provides a comparison of commodities moving in interstate, intrastate, and foreign commerce. Developed by the National Motor Freight Traffic Association (NMFTA), NMFC codes help determine freight class.

NMFC codes are based on four transportation characteristics: density, stowability, handling, and liability. Each code corresponds to a specific freight class (50-500), which directly impacts shipping costs.

Density

Weight per cubic foot. Higher density typically means lower freight class and lower cost.

Stowability

How easily freight can be arranged with other goods. Odd shapes or hazmat increase costs.

Handling

Ease or difficulty of loading/unloading. Fragile or heavy items require special care.

Liability

Likelihood of theft or damage and freight value. Higher risk increases freight class.

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