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Shop Locking Mail Chests

Most residential mailboxes don’t come with locks, so there’s always a risk of theft from placing important mail (checks, bills, etc.) in your mailbox without protection. US Mail Supply offers a secure locking mail chest mailbox for residential and commercial use. Only allow access to the United States Postal Service for secure delivery and pickup. 

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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.