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Phone Numbers for Freight Information and Services

Topic Agency Telephone Number
Freight Data, Analysis, Professional Development, Size and Weight Enforcement, and Intermodal Technology FHWA Office of Freight Management and Operations Staff
Toll Free Number FMCSA 1 1-800-832-5660
TTY (MC-P) (for hearing impaired) FMCSA 1-800-699-7828
Household Goods/Driver Complaints FMCSA 1-888-368-7238
Licensing Information FMCSA (202) 366-9805
Insurance Information FMCSA (202) 385-2423
DOT Numbers FMCSA (703) 280-4001
Automated Response Center (ARC) FMCSA (202) 358-7000
MX Numbers and Mexican Operating Authority FMCSA (619) 710-8400
Getting a Permit for Oversize, Overweight Vehicle Operations Individual States 2 empty cell
Automobile Problems NHTSA 3 1-888-327-4236
Vehicle Retrofits NHTSA (202) 366-2832
Tariffs on Motor Carrier Goods STB 4 empty cell

1Federal Motor Carrier Safety Administration
2Permits are issued by individual State agencies, not the Federal Government, for oversize/overweight vehicle operations.
3National Highway Traffic Safety Administration
4The Surface Transportation Board handles some remaining responsibilities in this area; these were inherited from the now-defunct Interstate Commerce Commission.
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