Welcome to the AF!
Use your VIN to find out the country of manufacture. Find the VIN on the inside of the driver's door or under the windshield on the driver's side.
If the 1st digit is the letter J, then it is a Japanese-made car. If the 1st digit is either the number 1 or 4, then it is an American-made car.
Save yourself some trouble and buy a mirror that is pre-painted your color....