Do All Vehicles Have 17 Digit VIN Numbers?

Do All Vehicles Have 17 Digit VIN Numbers? Do all vehicles have 17 digit VIN numbers? The NHTSA has required all vehicles manufactured since 1981 be assigned a 17-digit VIN number. Prior to 1981, there was no VIN standard. VIN formats, including length and encoded vehicle details, would vary across different manufacturers. Can a VIN