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Shop Locking Mailboxes

Locking mailboxes from U.S. Mail Supply include locking mail chests, package delivery vaults, courier drop boxes, key keepers, and package protectors. These USPS-approved mailboxes are ideal for residential, indoor, and commercial use to keep your mail safe from theft.

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USPS Mailboxes

Subject to local regulations and installation requirements, our products can comply with USPS standards, as defined by the Postmaster General.

Please note that the USPS periodically updates mailbox standards and guidelines. Before proceeding with mailbox projects, we recommend you consult with your local Postmaster to comply with your specific area guidelines. US Mail Supply experts are standing by to help you navigate the product selection and installation process.