Verticals(1250)

The 1250 Series Vertical Mailbox is a USPS-approved mailbox line commonly installed in apartments, offices, and other multi-tenant buildings where mail is delivered indoors by a postal carrier. This type of mailbox was used in new construction from the 1970s to 2000. To today's standards, their security rating is moderate. These units were designed before we really had to worry about people breaking into mailboxes. A simple lock would prevent mail theft. Here’s a clear breakdown of how it’s set up and how it works:

Design & Layout

• Orientation: The compartments are tall and narrow (vertical orientation), stacked side by side within a wall-mounted cabinet.

• Compartments: Each tenant gets an individual locking compartment with their own key.

• Door Style: Each door swings open on a vertical hinge (like a small locker).

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Construction

• Material: Made of heavy-gauge aluminum or steel for security and durability.

• Finish: Typically powder-coated or anodized in neutral tones (aluminum, bronze, or sandstone).

• Security: Tenant doors have 5-pin cam locks with keys. The postal carrier accesses all compartments at once via a larger master door.

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Postal Carrier Access

• Equipped with a USPS Arrow lock (installed by the Postal Service).

• The carrier inserts the Arrow key to open the master door, which swings open and exposes all the individual mail slots for quick delivery.

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Sizes & Capacity

• Usually offered in 3, 4, 5, 6, or 7 door configurations per cabinet.

• Each tenant compartment is about 5" wide x 15" high x 6" deep (varies slightly by manufacturer).

• Designed for letter mail and small parcels, not large packages.

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Installation

• Wall-mounted: Recessed into a wall or surface-mounted with a matching trim kit.

• Indoor use only: Typically installed in a lobby, mailroom, or covered entryway.