Washington Driver License Numbers Decoded. As an auto insurance agent, Washington state drivers license and identification card numbers have always been a part of my job. I have used them often enough that I have the pattern that the state uses memorized so that if someone tells me their drivers license number I can usually tell them their birthday. It can be fun to tell people that you can tell their birthday from their checkbook this was written back in the day when we did not have debit cards and people actually had their drivers license number printed on their checks. They do not realize that the drivers license number they have printed on the check tells all. Washington state encodes your last name, first initial, middle initial, and your date of birth into your drivers license number. A Washington Identification Card uses the same number as the drivers license for someone who does not or cannot drive. This online program by Alan De Smet will calculate a drivers license number for you if you want a good guess at what someones license number would be. His site also has the best explanation I could find of how the system works. DLsample-New-Adult-Standard-LG.jpg' alt='Examples Of Washington State Drivers License' title='Examples Of Washington State Drivers License' />These license numbers look like the following WOOT5. KA John T. Woo born on May 1st, 1. Getting a license Steps to getting your first license. Find out how to get your first Washington State driver license. Driver training and testing. Learn the steps to replace a lost or stolen drivers license in Georgiaget a replacement in no time. WALKECR5. 79. DU Christopher R. Walken born on March 3. LLLLLFMYYXmd Pattern deciphered below. Drivers License Status. You can go online and check the status of a Washinton License or ID Card number. The screen shot on the right shows what information is available online. Deciphering the Number. LLLLL Last Name, truncated The first five characters are the first five letters of the last name. If the name is shorter than five characters, the extra space is padded with asterisks. F First Initial. M Middle Initial If no middle initial the space is padded with an asterisk. YY Year of birth, encoded This is 1. So someone born in 1. X Checksum This can be calculated if you like math but first you must have the rest of the license figured out. Month of birth, encoded. Look up your birth month on this table. There are two options. In general the state will use the first column. If another person has generated the same license number as you, theyll use the second column. This is most often needed for twins. I have no idea what they do after that. Month. Month. 1st. Jan. BSJul. M4. Feb. CTAug. N5. Mar. DUSep. O6. Apr. J1. Oct. P7. May. K2. Nov. Q8. Jun. L3. Dec. R9d Day of month of birth, encoded Look up the code for your births day of month. Date. Code. Date. Code. Date. Code. Date. Code. 1A1. 1J2. U2. B1. 2K2. 22. 3C1. Rod Stewart Foot Loose Fancy Free Rare here. L2. 33. 4D1. 4M2. E1. 5N2. 55. 6F1. W2. 66. 7G1. 7P2. H1. 8Q2. 88. 9Z1. R2. 99. 10. S2. 00 number3. TNow back to the checksum, X. Once you have figured out the rest of the license number you can alternate adding and subtracting the numeric value of each character. The checksum is the single digit remaining, ignoring negative signs or the fact it might be more than 9. In other words, answers of 6, 1. The mathematical way to write this is checksum L1 L2 L3 L4 L5 F M Y1 Y2 M D mod 1. For letters and the asterisk use the numbers in the table below to calculate the checksum Value. Letter. Letter. Letter. Letter. 1AJ2. BKS3. CLT4. DMU. ENV6. FOW7. GPX8. HQY9. IRZUse to convert the letters in the license number into numbers, before calculating the. So, using our Christopher Walken example above, we calculate the checksum this way. W AL KE CR 57 DU6 13 25 39 57 441. You may use the images on this page as an aid for validating Washington state driver licenses and ID cards. You may not alter or use any of these images for other. As an auto insurance agent, Washington state drivers license and identification card numbers have always been a part of my job. I have used them often enough that I. Learn the steps to replace a lost or stolen drivers license in Washingtonget a replacement in no time.