Do all Master locks have the same code?

Question

In a Master Keyed system, a master key opens all the locks in the system although each lock also has its own unique key.

What is the master code for a Master Lock?

The factory-set combination is 0-0-0-0. Turn the shackle 90° so that the notch on the shackle is aligned with the notch on the lock body.

How do I know which Master Lock I have?

How to determine built-in lock model number1Check your records. Your records should contain lock model number information.2Contact your distributor. Call your lock seller/distributor where you purchased your locks from.3Check back of built-in lock. ... 4Check Latch Movement.

Do Master Locks have serial numbers?

A) My lock does not have a serial number: To provide enhanced long–term security, Master Lock has discontinued imprinting a serial number on the lock body on combination locks sold through retail locations.

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