(I have no idea what they do after that.). and "Christopher R. Walken," born on March 31st, 1943. In general the state will use the first column. So someone born in 1998 will be 2 (100-98), as will someone born in 1898. online program than can calculate Washington driver's license numbers. You might want to look at my disclaimer before using this information for anything important. These license numbers look like the Washington state encodes your last name, first and middle initial, and your date of birth in your driver's license number. Look up your birth month on this table. If the name is shorter than five characters, the extra space is padded with asterisks (*). checksum = (a1 - a2 + a3 - a4 + a5 - a6 + a7 - a8 + a9 - a11 + a12) mod 10; For non digits, you can find the number to use in the equation here: m - Month of birth, encoded. online program than can calculate Washington driver's license numbers. I assume if the birth year is a 1900 or 2000 that the result is 00, not 100, but I don't know. If another person has generated the same license number as you, they'll use the second column. Once you have all of the rest of the license characters the following equation will determine the checksum. Mathematics and Writing in Action. d - Day of month of birth, encoded - Look up the code for your birth's day of month. download a copy of the software. following: The above licenses are for "John T. Woo," born on May 1st, 1946, Or you can download a copy of the software. X - Checksum - This cannot be calculated until you know the rest of the license. LLLLL - Last Name, truncated - The first five characters are the first five letters of the last name. Official WA State Licensing (DOL) website: licensing and regulating drivers, vehicle and boats, and over 30 types of professions and businesses. These license numbers look like the following: LLLLLFMYYXmb WOO**JT547KA WALKECR577DU I have an I have an online program than can calculate Washington driver's license numbers. a1 is the first character (the first letter of the last name), a2 is the second letter, and so on. You might want to see warning about fake ids before using this information to make a fake id. Or you can Beginning Sept. 4, all newly issued or renewed Washington state driver’s licenses will be given a new license number. There are two options. Much of this information (notably the tables for birth day encoding and the checksum algorithm) was derived from Get, renew, replace, or update a WA state driver license or ID card, purchase your driving record, and learn about license suspensions and driving safety. Your next Washington state driver’s license will look a little different. Washington state encodes your last name, first and middle initial, and your date of birth in your driver's license number. YY - Year of birth, encoded - This is 100 minus the the two digit year of birth.