6-High 4C Horizontal Indoor Mailboxes from US Mail Supply
- 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 Mailbox Units for Your Apartment Complex
These mailboxes are perfect 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.