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Shop 1600 Series Front-Loading Private Use Horizontal Mailboxes

The 1600 series front-loading mailboxes are horizontal mailboxes used for private use. They are offered in different compartment sizes to fit any layout in multi-unit buildings. Customize the 1600 series front-loading horizontal mailbox online to fit your office building, dormitory, or military housing.

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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.