Usps lock change request form. A refundable key deposit is required for each key (including additional keys) returned to the Postal ServiceTM. Learn how to change the lock on your USPS mailbox and ensure secure mail delivery. 3-2 Mailbox Locks and Keys The Postal Service prohibits carriers from accepting keys for locks on private mail receptacles, buildings, or offices, except where an electromechanical door lock system or key keeper box is used. You may also mail the form to your Post Office. WE ARE NOT USPS CUSTOMER SERVICE - CUSTOMER SUPPORT QUESTIONS ARE NOT ALLOWED - please seek assistance from the US Postal Service for all package inquiries. S. General questions are welcomed. However, if you have to replace your lock, your postal carrier can use their arrow lock key to give you access. USPS. 8. i91 84a4p dyuqx bjzou 7wx nsaj3e l8wz pvqa zop99ms etcsaqg