How to open a mailbox without keys and without damage

In the United States, can you use your mailbox key as your house key? - Quora

How to Drill Out a Mailbox Lock – MailboxEmpire

USPS replacing universal keys to deter letter carrier robberies - CBS Boston

How To Replace a Mailbox Lock in Under Five Minutes

Open a Mailbox with Lost Keys by Picking It

I Lost My Mailbox Key - How Can I Open It?

How To Replace a Mailbox Lock in Under Five Minutes

My parents' mailbox which can be opened without the key by simply bending the metal piece out of the lock : r/CrappyDesign

Post office fails to fix broken Valley Hi mailbox for 4 months

Can A Locksmith Open A Lock Without Breaking It?