How Do I Find The Combination To My Master Lock?

Combination locks are great for school, gym, and any other personal use lockers! However, losing your combination can be frustrating. Below we’ll cover ways to help you recover any lost combinations*, and our tips on preventing being locked out of your combination lock again!

*Please note that it is only possible to retrieve missing combinations if your combination lock has a serial number written on the back, and is not attached or locking anything. See the image below to ensure that your lock has a serial number.


If your combination lock does not provide a serial number, there is no documentation on which combination your lock may have. Unfortunately, this means that looking for documentation or old packaging may be the only way to recover your combination. If you are need of a new combination lock, visit us at to purchase one at a great price.

If your lock does provide a serial number, the easiest way to retrieve your combination is to take your lock to any local Master Lock Distributor in your area; think of Wal-Mart, Home Depot, Lowes, etc. A store associate at the customer service desk will be able to call the Master Lock Customer Service line at 1(800)308-9244 to retrieve your combination for you. It’s important to note that Master Lock will not release combinations to anybody other than authorized employees who can vouch that your lock is in hand, present, and free standing.



Now that you have access to your combination, we recommend you store it in a safe place. The best place for storing your combination is in the Master Lock® Vault®  – a FREE service from Master Lock that’s easy to use! The Master Lock Vault not only stores combinations, but other important documents such as passwords, tax documents, ID’s, etc.

School faculty and fitness club staff members can retrieve multiple missing combination charts online by filling out and returning this Combination Chart Form via fax to 619.444.5677.


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