I lost my keys. What do I do? Oct 4th, 2018 Oh no! We are sorry to hear that. Please contact us using our contact page or emailing us at firstname.lastname@example.org with as much of the following information as possible: Mailbox type (wall mount or post mount) Model name (ex: Oasis Classic) Model number (ex: 6200B-10) Photo of your mailbox lock We will be happy to help provide some options for you.