8 Things You Should’ve Memorized a Long Time Ago

Let’s be honest - part of the reason most of us drank this GTD Kool-aid in the first place was that we were tired of forgetting things. Meetings, lunches, dentist appointments - all the crap that we were too busy (and, frankly, ill-equipped) to recall exactly when we needed to do so. So, we got our notebooks, planners and hipster PDAs to solve that problem. But that’s not why I called you here today.

There are certain bits of information that you *should* count on your brain to be able to retrieve quickly. Things that you won’t need very often, but it’ll probably be extremely helpful and efficient if you do.

The vast majority of these things are about you. Things that will be as helpful during conversations with the police or your health insurance company as they would be at your local grocery store.


  1. Social Security Number - This is helpful in any number of situations (though, most of them fairly rare), especially the last four digits which are commonly used to verify your identity when doing things like upgrading your cable service or canceling your cell phone. If you have a family and/or children, these are also especially good to have tucked away in your brain.
  2. Debit Card Number - I learned this one a few years back after having to repeatedly retrieve my debit card from the dresser when ordering a pizza or maybe something from Amazon. Sure, you may not need this one too often, but I can tell you from personal experience that being able to go from pizza inspiration to order completion (all while driving home from a car dealership) without ever having to reach into my pocket is, well, pretty freakin’ cool. Oh, and you might want to remember on the CVV number (3-4 digit verification code, typically on the back of the card), as it’s often used to verify that you’re the actual card holder when making purchases online.
  3. Driver License Number - Another thing that invariably comes up when applying for a Blockbuster membership or something, this is also a pretty nice thing to know if you lose your wallet/purse so you can quickly and easily request a new license. And, honestly, do you have this information written down anywhere? If I do, I’d have no clue where it is - which is why it’s in my brain :)
  4. Automobile Insurance Policy Number - So, your car rolled ass-backward into the ocean? Maybe somebody snatched it while you were in the grocery store. Either way, most of us keep our insurance information shoved in the car’s glove compartment instead of in our wallets (I realize there are exceptions, no need for all of you to correct me ;). And since you already have your insurance company’s phone number stored in your cell phone, being able to give them your policy number will make things go much smoother.
  5. Checking Account Number - Another one of those things it’s nice to have if you lose your wallet somehow (and you haven’t memorized your debit card number). When you call the bank to cancel all of your cards and checks, it greatly speeds up the process if they can use the number and won’t have to sift through a list of John Smiths, trying to figure out which one is you.
  6. Your Phone Number - I’d be remiss if I didn’t include this one for completeness’ sake. But, before you scoff and guffaw your way to the next item in your feed reader, know that a great many people use their cell phone as their primary mode of communication, but have a landline at home to allow for things like DSL. Often times, that number is how your account is identified with various service providers. So, if nothing else, you’ve got another number to try when Time Warner asks for “the phone number on the account”.
  7. Car License Plate Number - I’ll bet this has happened to most of us at least once: Ever been sitting someplace, perhaps out for a quick bite with some friends, when you hear “Would the owner of the White Toyota Corolla License Number ABCX123 please report to the front desk. Thank you”. First of all, I realize you might be able to eliminate most of these situations by just knowing what your plate number is *not*, but this isn’t the only situation where this type of thing comes up. This is a good one even for no other reason than it’d be nice to know that your car was about to be towed.
  8. Health Insurance Member/ID Number - This one goes for the whole family. Being the father of two small kids, I make a good amount of doctor’s appointments. Whether it’s for my daughter’s well-baby checkups or for my son’s kidney thing (not serious, don’t worry), I’m having to recite these numbers (for my kids more than myself) at least a couple times per month. So, instead of always needing to look them up on Stikkit, I just sat down one day for 5 minutes and repeated them both until I remembered them. Problem freakin’ solved :)

Special Bonus: A good friend of mine has claimed that, if you’re ever in a grocery store without your membership/club/big brother card, the phone number 867-5309 will work (regardless of area code). I have no idea if this works, but for some reason I have no trouble believing that it does. If it doesn’t, well, sorry :)
Granted, most of these things won’t be of use on a daily basis. But I think of it like this - The David admonishes us to, whenever writing something down, include the current date. Why? Because, even though it’s not always useful, the 3% of the time that it *is* useful is more than enough to justify getting into the habit of doing it!

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18 Responses to “8 Things You Should’ve Memorized a Long Time Ago”

  1. David Reber on November 20th, 2007

    I don’t even know my wife’s cell or work numbers without it being programmed in my phone. I stepped into a phone booth a few weeks back and it was like looking at some kind of contraption from the future (or far off past). It didn’t have a contacts button on it. I couldn’t use it.

    My brain can’t capture a list of numbers like what you have listed here. I wish it did. My wife has that ability. I guess the smartest thing I can do is at least memorize her phone numbers so I can stay out of trouble.

    I would be interested in knowing if that 867-5309 really works and if anyone else has had any experience using it. I think I would have a problem delivering the number without breaking out an air guitar.

  2. Der wilde Garten | links for 2007-11-21 on November 21st, 2007

    [...] 8 Things You Should’ve Memorized a Long Time Ago [...]

  3. Perry Martin on November 21st, 2007

    As for me, I put all the important numbers into Wrike http://www.wrike.com/. It’s my GTD software. It’s web-based, so I can access it from anywhere using my PDA and look it up, if necessary.

  4. ta2yerface on November 21st, 2007

    great post!

  5. Glenn (Customer Service Experience) Ross on November 22nd, 2007

    #9: My blog’s URL:-) http://www.allbusiness.com/sales/customer-service/10783-1.html

    Ah, c’mon. You can do it:-)

    Happy Thanksgiving, Brett.

    Regards,

    Glenn

  6. FlashLinks: Nov 29, 2007 | Better Living Today on November 29th, 2007

    [...] 8 Things You Should’ve Memorized a Long Time Ago, by Brett at The Cranking Widgets Blog. [...]

  7. What Numbers Do You Have Memorized? [Ask The Readers] · TechBlogger on December 3rd, 2007

    [...] password live only in my brain. What numbers do you commit to memory? Let us know in the comments. 8 Things You Should’ve Memorized a Long Time Ago [The Cranking Widgets [...]

  8. Cindy on December 3rd, 2007

    I’d put credit card number on there as well. Credit cards provide better consumers protection than debit cards in general.

    Of the numbers listed above, I memorize all, including multiple credit cards and their CVV, except my bank account number and auto insurance policy number — the former is unnecessary because it’s listed when I log in to online banking.

    Oh, although not really numbers, I’d put birthdays of important people (spouse, kids, parents, siblings, and of course your own) on the list as well.

  9. Single Mom of 2 on December 3rd, 2007

    My ex-husband’s Social Security Number.

  10. David on December 3rd, 2007

    Back when we were all running on wep, I memorized my 128bit 26 digit hex key. That’s great fun to sound geeky.

  11. Wobagi on December 3rd, 2007

    I have memorized a lot of information. I know my closest friends’ cell numbers, addresses, account numbers, passwords, etc. All the stuff I would need when someone stole my computer or cell phone or in case of a disaster. I am using Tony Buzan’s techniques. It’s so much fun to have all that info in my mind.

  12. Robin Turner on December 3rd, 2007

    No self-respecting geek would fail to know their IP number(s). It’s not even something you consciously memorise, you just KNOW it, like you know your name ;-)

  13. links for 2007-12-04 « LAN b4 Time on December 3rd, 2007

    [...] 8 Things You Should’ve Memorized a Long Time Ago · The Cranking Widgets Blog (tags: advice guide lifehacker lifehacks list numbers toread memorization memory) [...]

  14. kwantc on December 4th, 2007

    I use a simple number substitution code for PINs, access codes, etc as text files eg 1=t 2=n 3=m 4=r (…classic mnemonics system, but make your own) so that even if accessed/hacked, will be difficult to decipher

  15. Collin on December 4th, 2007

    Is your friend Tommy Tutone?

  16. Ryuko on December 5th, 2007

    I don’t know about keeping all my important info on the web — 1) what if you’re in a place where there’s no web access (i.e., break down in the middle of New Mexico whilst driving cross-country). 2) Security — I’m just crazy paranoid - if its online, someone can break into it. Personally, I’d just keep it in the PDA itself.

    As far as phone numbers for grocery stores — your *own* usually works just fine (we do it all the time at Safeway). I wouldn’t doubt someone would put that phone # up, but then you normally have the user information (name) come up on the screen. First off, the cashier would be suspicious (or at least humored, probably wouldn’t care anyway), and what if the person w/ that number is of the opposite sex? “Tammy? Your name is Tammy?” the cashier says to a tall, balding man with a handlebar ’stache…. I can see it now.

  17. Ryuko on December 5th, 2007

    So far as SSN goes — that’s one advantage of being in the military. We use it ALL the time. And have a habit of keeping an intact ID on us. I was shocked the first time I had my civilian cousin over to visit back when I used to live in on-base housing. Things that some of us take for granted (knowing our SSN, having our registration/liscence/insurance in the car for inspections, etc.) a lot of people really don’t always have with them — or even know where they are. It was a pain in the ass getting him on base.

  18. Trail Running on May 1st, 2008

    3/8, that’s really bad. I’ve almost never been in a situation where I need the other information immediately. So I guess i’m good, for now..

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