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6-Door High Suite (23 1/4″H) Compartments – (2 to 10 USPS Approved Mailboxes)

The 4C 6-door mailboxes are the smallest high suite size available. These mailboxes are good for new construction and major renovation projects as well as private delivery applications. If your mailboxes can’t be recessed into a wall, we also offer surface mount collars.

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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.

6-Door High Suite (23 1/4″H) versatile™ USPS-Approved Mailboxes, 2 to 104C 6-Door High Horizontal Mailboxes

  • USPS APPROVED!
  • These 4C Horizontal mailboxes are constructed of heavy gauge aluminum and 300 series stainless steel compartments for superior strength, corrosion resistance, and exceptional outdoor durability. Rugged weatherproof pebble (textured) powder-coat finish resists scratching and vandalism.
  • Installation options for these versatile™ 4C mailboxes are fully recess mounted into a wall or similar type of structure (17-inches of wall depth is required), or surface mounted with the purchase of an additional surface mount collar required (see below for the appropriate collar for the module being ordered). Surface-mounted units will protrude approximately 18-inches from the wall.
  • Our 4C Horizontal mailboxes feature quick-release master loading door lock latches for easy access by USPS Mail Carriers into the front-loading units. All mailbox modules include an integrated solid aluminum mail collection compartment for outgoing mail, with a weather protection hood that provides maximum weather resistance and an anti-fishing comb that protects against theft.
  • Our 4C horizontal mailboxes are only available in front-loading (mail carrier accesses from the front).
  • 4C horizontal mailbox door identification is available in two ways: Number decals – up to 5 characters, or engraved door ID – up to 12 characters. See examples of the available door ID options.
  • Standard tenant mailbox size is approximately 3 1/4″H x 12 7/8″W x 15 1/2″D. Selected units are also available with oversized mailboxes and/or oversized outgoing mail compartments. Custom mailbox units are available with modified compartment sizes, including double-high (6 ½” high), triple-high (10” high), and quad-high (13 ½” high), depending on the 4C mailbox module being ordered. Some modification restrictions do apply, so please call our highly trained and helpful Customer Service staff for assistance if you require something other than what is shown below.
  • Double locking mechanism for added package security on all Parcel Locker doors
  • 4C horizontal mailboxes are equipped with USPS-1172 910A tenant locks with 3 keys each.
  • Add a built-in trash/recycling bin to your 4C Horizontal mailbox configuration!! These accessories to your mailboxes are designed to match the versatile™ 4C mailboxes in this suite and can be installed side-by-side with them. As with the mailboxes, these bins may be recess mounted or surface mounted with the additional surface mount collar. Choose from a variety of door flap identification to suit your needs, such as “WASTE”, “PAPER”, “PLASTIC”, “GLASS”, “TRASH”, or customize your own. See the product listing for more details
  • The versatile™ 4C horizontal mailboxes are available in 8 powder-coat finishes – choose from Postal Gray, Silver Speck, Gold Speck, Black, Dark Bronze, White, Sandstone, and Antique Copper. View the color chart here.
  • View/print/download the installation instructions for the RECESS mounted versatile™ 4C mailboxes
  • View/print/download the installation instructions for the SURFACE mounted versatile™ 4C mailboxes
  • Don’t see what you’re looking for? Or do you have a large or complicated mailbox project? Please call our helpful Customer Service staff for assistance.