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Front-loading Horizontal Mailboxes – 30 Mailboxes + Outgoing

Product Number: 1400-75OU
What you need to know before you buy.

Bulk Pricing Options Available


1-4 $3,235.00

5+ Call for price

Before You Buy:

  • Only USPS Approved for replacement purposes (replacing existing Horizontal mailboxes in same wall opening)
  • It is strongly recommended that you consult with local Postal Officials prior to ordering – Local Postmaster Approval is required
  • Approved and warranted for Indoor Use only
  • Also available for Private Mail Delivery (non-USPS)
  • Recess mounted only – 17” of wall depth is required
  • Cannot be surface mounted on a wall, pedestal mounted or free-standing








Additional Resources:

Standard configuration details & dimensions
Weight 110 lbs
Mailbox configuration 7x5
Number of mailboxes 30
Actual Unit Size
Height 38.75"
Width 33.63"
Depth 16.50"

Front-loading Horizontal Mailboxes from US Mail Supply

  • 7-high x 5-wide configuration
  • Module contains a total of 30 usable tenant mailboxes (5” high x 6 3/8” wide x 15 ½” deep), plus 1 Outgoing Mail Compartment (10 3/8" high x 12 7/8" wide x 15 1/2" deep)
  • The unit comes standard with 5-pin cam keyed mailbox locks. For an upcharge, private use units are available (not USPS Approved) – Call for pricing
  • NOTE: Any customization of this unit, including optional color, non-standard lock and/or custom configuration will require an upcharge – Call for details
  • View or download a shop drawing of this product – Please call for a shop drawing of multiple-unit side-by-side configurations

30 Door Mailbox with Outgoing Slot for Apartments and Businesses

It would be difficult to find something to change with this unit in the 1400 Series horizontal collection as it has almost the maximum number of personal tenant boxes and an out-going mail compartment for your residential building. If mailbox customization is needed, US Mail Supply experienced mail delivery professionals will help to find exactly what fits in your building. An upgrade with our dedicated staff makes you, the designer, put different doors, parcels, and lockers in different arrangements under our recommendation.

If this mailbox system is enough and does not need customization, US Mail Supply offers a variety of standard features. Recess-mounted and an anodized aluminum finish give the product long-lasting durability. It is not, however, rated to be sustainable outdoors and exposure to extended weather. The more mail and packages in a mailbox there is a higher chance of thef

Contact mailbox distributors at U.S. Mail Supply today if you would like more information on our security and customization options through U.S. Mail Supply!
Make sure to choose the RIGHT mailbox.

Don't worry, we can help you figure out what's best and most cost efficient for your space. A representative at U.S. Mail Supply will help you figure out what is required for USPS or private delivery, the number of units you need and any information required for installation.