Crack the Code: Mastering Four Digit Combination Locks

Crack the Code: Mastering Four Digit Combination Locks


Combination locks are a popular and reliable form of security for many types of applications. Whether it’s securing your gym locker or keeping valuables safe in a hotel safe, combination locks can offer peace of mind. In this article, we’ll explore how to crack the code on four-digit combination locks.

How Four-Digit Combination Locks Work

Before diving into how to crack them, let’s first understand how these types of locks work. A typical four-digit combination lock has 10,000 possible combinations (from 0000 to 9999) but only one correct combination that will unlock it. The lock mechanism inside comprises several rotating discs with notches along their edges known as “gates.” Each gate must align correctly with the other gates before the shackle can be released.

Tips for Cracking Four-Digit Combination Locks

To open a four-digit combination lock without knowing the code requires some trial-and-error guesswork and some insider knowledge about common codes people tend to use:

  1. Start by turning the dial clockwise three times until you hear an audible click sound.
  2. Turn the dial counterclockwise once and stop at your first number.
  3. Turn back clockwise until you pass zero once, then stop at your second number.
  4. Turn counterclockwise again until reaching your third number.
  5. Finally, turn clockwise directly to bypass zero and stop at your fourth number.

Here are some additional tips that might help:
– Listen carefully while turning – you may hear or feel small clicks when each gate lines up correctly.
– Try starting from different positions (e.g., two turns right instead of three), in case you’re off by one digit in either direction.
– Look around for clues – if it’s a gym locker or bike lock at school or work, there might be numbers scratched or scribbled nearby.

What to Do If You Can’t Crack the Code

If you’ve tried all of the above methods and still can’t crack the code on a combination lock, don’t panic. Try some of these alternative solutions:

  • Start over from scratch and take your time.
  • Try using a mirror behind or beside the lock to see where each dial is positioned more easily.
  • Consider contacting a professional locksmith for assistance.
  • Use power tools or force (only as a last resort if you own whatever it’s attached to).


Four-digit combination locks are an effective way to secure personal items, but getting locked out can be extremely frustrating. By following these tips, you’ll have a better chance of cracking even the most stubborn of four-digit combination locks. Remember that patience and persistence are key when trying to unlock something with this type of lock. Good luck!


Here are three popular FAQs related to the article “Crack the Code: Mastering Four Digit Combination Locks” along with their answers:

How do I reset a four-digit combination lock if I forgot the code?
Answer: To reset your combination lock, locate and use a small pin or paper clip to press and hold down the reset button on the side of the lock. While holding down this button, set your desired new combination by rotating each dial until you reach your chosen number sequence. Release the reset button and test out your new code to confirm.

Can I crack or bypass a four-digit combination lock without knowing the exact code?
Answer: While it is possible to crack open some types of combination locks using various methods (such as guessing or brute-forcing techniques), we strongly advise against attempting to do so without proper knowledge and consent from authorized parties like law enforcement officials or locksmiths.

What should I do if my four-digit combination lock becomes jammed or stuck?
Answer: If you have trouble opening your four-digit combination lock due to it becoming stuck, try gently tapping on each wheel dial while applying steady pressure in both directions (clockwise and counterclockwise) until it releases. You can also lubricate any external parts that may be causing friction by applying silicone spray onto these areas for added ease of use. If all else fails, consider contacting a licensed locksmith for assistance in resolving any issues with your combination lock.