you can call your sucirty place and ask them if the know or have it o just think really hard
No
If you do not have the combination, there is no way to open the lock. A master combination would defeat the purpose of having the lock.
With the combination
You have to have a combination. If you have a key lock you don't need a combination, all it is is a lock that says master and a key to turn it and then it opens what you have in it.
There is no "master combination" that can open any lock. There would be no use for the lock if that were the case.
It will come with a slip of paper that has the specific combination to that lock. Each individual lock has it's own combination.
my receiver is lock i want to open i dont know how can i open because i forget 4diget lock nomber what is the master code thanks
A locksmith will be able to provide the combination from the code number stamped on the back of the lock.
don't now and don't care
a simple pad lock or a combination lock. and if you forget the combo or lose the key you can cut off a small piece of the fabric
Search for combination locks on Amazon. There are lots of types to choose from. The Master Lock official website contains a wide array of combination locks, also.
I'm not sure which master lock you are asking about, but see related links below for methods of opening combination locks