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Shop ADA Compliant Horizontal Depot Mailboxes

The 4C horizontal mailboxes are designed to meet Americans with Disability Act requirements. At least 5% of the mailbox needs to meet these accessibility guidelines. Sequential numbering of the mailboxes takes precedence over matching identification to the apartment numbers to meet these standards. Your local requirements will determine if your mailbox only has to meet the minimum ADA requirements or if it has to be 100% compliant. 

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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.

ADA-Compliant 4C Horizontal Depot Mailboxes from US Mail SupplyADA-Compliant 4C Horizontal Depot Mailboxes

  • These mailboxes are NOT USPS Approved. They will require permission from your Local Postmaster prior to purchase!
  • Available in 8 powder coat finishes: Antique Bronze, Black, Dark Bronze, Gold Speck,  Sandstone, Silver Speck, White, Postal Gray.

Buy 4C Depot Mailbox Units for Your Apartment Complex

These depot mailboxes are the perfect mailboxes for either a residential or commercial setting. Featuring thick, reinforced collection doors, overlapping seams, and an exclusive double-latching lock for extra strength, these mailboxes are made to keep mail and packages safe from thieves, critters, and severe weather patterns.

On top of being functional, these depot mailboxes are stylish. Coming in eight durable powder coat finishes, these are sure to be an elegant complement to any décor. 

Learn about USPS Approval requirements

All new constructions are required to have USPS compliant mailboxes. We provide information on what the standards and specifications are, so you know what comes next after purchasing your new 4C mailbox from US Mail Supply.

Check out our extensive list of 4C Wall Mounted Horizontal Mailboxes.

Contact us today to get a quote on horizontal depot mailboxes from US Mail Supply.