The 1400 series 4B+ mailboxes are front-loading horizontal mailboxes perfect for multi-unit buildings. Your tenants' mail will be keep safe and secure in these heavy-gauge aluminum mailboxes customizable to your unique needs.
Front-loading Horizontal Mailboxes – 10 "B" Doors
Front-loading Horizontal Mailboxes – 4 Parcel Lockers
Front-loading Horizontal Mailboxes – 20 Mailboxes + Parcel
Front-loading Horizontal Mailboxes – 20 Mailboxes + Outgoing
Front-loading Horizontal Mailboxes – 12 "B" Doors
Front-loading Horizontal Mailboxes – 6 Parcel Lockers
Front-loading Horizontal Mailboxes – 25 Mailboxes + Parcel
Front-loading Horizontal Mailboxes – 25 Mailboxes + Outgoing
Florence 1400 series 4B+ horizontal mailboxes are USPS approved for replacement purposes only. For fully USPS approved horizontal mailboxes straight out of the box, shop our 4C USPS approved horizontal mailboxes.
The 1400 series front horizontal mailbox is a great solution for multi-unit buildings. These mailboxes are manufactured entirely from heavy gauge aluminum with a corrosion-proof finish, they're built to last and keep your tenants' mail, safe and secure. These mailboxes are ideal for apartment complexes, universities and military housing.
The 1400 series mailboxes offer many convenient and customizable features. To start, it comes completely assembled. All you have to do is recess mount on a minimum 17” wall depth. There are two keys for each lock, an option for engraved door identification, and clear plastic slots for each door. It also comes with one designated master control door where either the local Post Office installs their master lock, or would come with a pre-installed commercial lock if for private mail delivery. This is indicated with the "X" on every photo.
The USPS-approved 1400 series makes efficient use of your wall space. Our biggest front loading mailbox has 35 doors with a total width of 33 inches. Available in aluminum or bronze, so you can get your mailing room to coordinate with virtually any decor.
US Mail Supply has long been a respected brand for high-quality mailboxes. Our top priority is providing customers with excellent service—from the moment you get to our site, through purchase and installation. We're here to help, through each step of the buying process. You can find more product details by clicking the red bar on top of this page. Otherwise, contact us if you have any questions on these mailboxes.