U.S. Mail Supply Categories

Front-loading Private Use Horizontal Mailboxes – 21 Doors

mailboxes for college dorms

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21 Door Commercial Horizontal Mailboxes in Anodized Aluminum
21 Door Commercial Horizontal Mailboxes in Dark Bronze
Product Number:
38.7500 Inches.
13.7500 Inches.
16.5000 Inches.
63 lb(s).
Select Finish :
1 - 4 $504.00
5 and more Call For Price
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Product Features

Front-loading Private Use Horizontal Mailboxes – 21 Doors

  • 7-high x 3-wide configuration
  • Module contains a total of 21 doors – 20 usable mailboxes (5” high x 4” wide x 15 ½” deep). One door is equipped with a commercial master lock for access to the inside of the unit by mail delivery personnel for easy mail distribution. For multiple unit installations, all master locks can be keyed alike at no extra charge
  • Standard Clear Anodized Aluminum Finish. For an upcharge, also available in Dark Bronze. Click here to view a color chart.
  • Click here to view or download a shop drawing of this product – Please call for a shop drawing of multiple unit side-by-side configurations

US Mail Supply provides high security mailboxes for all types of buildings, from apartments to college dorms. Our wide selection of horizontal mailboxes will keep tenant mail secure while offering easy access.

The sturdy aluminum boxes in the 1600 series can be customized by size, color, and lock type.

These mailboxes also come fully assembled, so you’ll be able to use them as soon as they’re installed.

Each door comes with 2 keys per lock; one for you and one for the tenant.