

This section is used in case of an overflow. (Birth Month – 1) x40 + Birth Day + (male:0, female: 500) This portion represents the month and day you were born. For example, if you were born in 1983, your number in the Y-Y section will be 83. The third section, Y-Y represents the year you were born. First Letter of Middle Name First Letter of First Name Add both of the code numbers together and this will total the middle second section number on your drivers license. Then look at the middle name chart and find the first letter of your middle initial. Find the first letter of your first name on the chart below. If you do not see your name on the chart above. Your first and middle name fall into a code which can be found by looking on the chart below. These numbers will represent your first and middle name. The three numbers following that letter are used as a hashing system to roughly sound like your last name. The first letter in your drivers license number will represent the first letter of your last name.

These four digits represent a soundex code of your last name. If you have a Wisconsin drivers license, the format will be as follows. There is a lot of information in your driver’s license number and we want to explain it to you today.

However, you’ll need to know the number if you are buying a new car, looking into a new insurance policy, at the DMV, or any other form you may have to fill out that asks for the number. Many people never think about the long string of numbers that is on a Wisconsin drivers license.
