Unlocking a 3-Digit Combination Lock Box: Easy as 1-2-3

Have you ever found yourself stuck outside of a 3-digit combination lock box, unable to get to your valuable items inside? Perhaps you’ve purchased a used locker or storage unit and you don’t know the combination. Don’t worry, with a little patience and some clever tricks, unlocking a 3-digit combination lock box is easy as 1-2-3. In this article, we will discuss the steps you can take to unlock your 3-digit combination lock box.

Unlocking a 3-Digit Combination Lock Box: Easy as 1-2-3

Step 1: Understand the Lock

Before attempting to unlock your 3-digit combination lock box, it is essential to understand how the lock works. A 3-digit combination lock box typically consists of a lock body, a shackle, and a dial. The dial has numbers from 0 to 9, and the shackle can be locked into place when the correct combination is dialed in.

Step 2: Determine the Combination

The first step in unlocking a 3-digit combination lock box is to determine the combination. There are a few ways to go about doing this, depending on your situation:

  • If you know the combination: Dial in the combination and pull the shackle to unlock the box. Congratulations, you’re done!
  • If you don’t know the combination: There are a few tricks you can try to determine the combination:

Trick 1: Try Common Combinations

Many people tend to use easy-to-remember combinations such as 1-2-3 or 1-1-1. Try these combinations, as well as variations such as 2-2-2, 3-3-3, etc.

Trick 2: Use a Shim

Insert a shim, such as a metal sheet or credit card, between the shackle and the lock body. Apply pressure to the shim and rotate the dial. You may feel and hear a slight click when you hit one of the numbers in the combination. Note these numbers down and repeat the process until you have all three numbers.

Trick 3: Brute-Force Method

If all else fails, you can try the brute-force method. Start with 0-0-0 and work your way up, dialing in each combination until the lock opens. This method may take some time, but it is guaranteed to work eventually.

Step 3: Unlock the Box

Once you have determined the combination, it’s time to unlock the box. Follow these steps to do so:

  1. Turn the dial to the first number in the combination.
  2. Turn the dial to the second number in the combination, but don’t stop there. Instead, turn the dial counterclockwise until you feel resistance. This is the “gate” between the second and third numbers.
  3. Turn the dial clockwise until you feel the resistance again. This time, the lock should open.

Congratulations, you have successfully unlocked your 3-digit combination lock box!

Tips and Tricks

Here are a few additional tips and tricks to keep in mind when unlocking a 3-digit combination lock box:

  • If the lock doesn’t open after dialing in the combination, double-check to make sure you have dialed it in correctly.
  • If the lock is still not opening, try applying pressure to the shackle while turning the dial.
  • If you plan to use the brute-force method, consider using a lock-picking tool such as a plug spinner or raking tool to speed up the process.
  • Always ensure the lock is properly closed and the shackle is securely in place after unlocking the box.


Unlocking a 3-digit combination lock box may seem intimidating at first, but with a little patience and some clever tricks, it can be done easily. Whether you know the combination or not, try the tricks we have discussed in this article to unlock your lock box today. Remember, always use caution and avoid damaging the lock or box in the process. Good luck, and happy unlocking!


Sure, here are three commonly asked questions and answers for unlocking a 3-digit combination lock box:

How do I reset the combination on my 3-digit lock box?
To reset the combination on your 3-digit lock box, start by opening the box with your existing combination. Once it’s open, locate the reset button on the inside of the lock box. Press and hold the reset button while turning the dials to your desired new combination. Release the reset button and test the new combination to ensure it’s working properly.

How do I open my 3-digit combination lock box if I forgot the combination?
If you forgot the combination to your 3-digit lock box, don’t panic! Start by trying the most common combinations, such as 000, 111, or 123. If none of those work, you can try using a shim to open the lock, which involves inserting a thin piece of metal between the shackle and the body of the lock to release the locking mechanism. Alternatively, you can contact the manufacturer of the lock box for a reset procedure or seek the help of a professional locksmith.

Can I use a 3-digit combination lock box outdoors?
Yes, most 3-digit combination lock boxes are designed to be weather-resistant and can be used outdoors. However, it’s important to choose a lock box made from durable materials such as stainless steel or aluminum to ensure it can withstand exposure to the elements. Additionally, consider using a lock box cover or placing the lock box in a protected area to extend its lifespan.