4 ms·
Most country codes are 3 digits. There are a few 2 digits, and I think parts the old USSR and the North American Dialing region are the only 1-digit codes.
by iso1631 6y ago
Most country codes are 3 digits. There are a few 2 digits, and I think parts the old USSR and the North American Dialing region are the only 1-digit codes.