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Shop Front-Loading Locking Cluster Mailboxes for Private Use

Our Horizontal Front-Loading Locking Cluster Mailboxes are designed for private mail distribution. These non-USPS Approved mailbox units are ideal for private use in Mailbox Stores, PO Box Stores and all Commercial Buildings. View All Front Loading Private Use Mailboxes.  

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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.

Locking Front-Loading Mailboxes for Private Use

Front-loading Private Use Horizontal Mailboxes – 28 Doors

  • U.S. Mail Supply’s front-loading horizontal cluster mailboxes have a standard mailbox compartment size of 5” high x 4” wide x 15 ½” deep. Our selection of private mailboxes feature a commercial master lock in the control door and are not for USPS use. 
  • The front-loading private cluster mailboxes are not USPS Approved. 
  • Mail delivery person accesses the unit from the front. 
  • Available in combinations of 7, 8, 9 or 10 compartments high, and 3, 4, 5 or 6 compartments wide.
  • Rated for indoor use only.
  • Constructed from all-aluminum extrusions and materials, snap-on trim included. 
  • The front-loading private mailboxes arrive completely assembled and include all mailbox locks (2 keys for each lock, 1,000 key changes).
  • For recess mounting only. 17” minimum wall depth required.
  • Choose from either 5/8″ high engraved door identification (up to 6 characters) or clear plastic number slots.
  • Available in Standard Clear Anodized Aluminum.
  • Customized units are available at an additional cost. Choose from a range of configurations, mailbox sizes, lock options, outgoing mail compartments, parcel lockers and slots in the mailbox doors. 
  • Click your product of interest to access shop drawings, found in the “Features” section. Please call us for shop drawings of multiple unit installations or if you require customized mailboxes.
  • All of our locking, front-loading private delivery cluster mailboxes are made to order and are non-returnable.

Private horizontal mailboxes are ideal for office buildings, dormitories and military housing. Whether you require 21 doors or 60 doors, U.S. Mail Supply has front-loading private mailbox options to best serve your space.

Your tenants will love the spacious and secure 5” high x 4” wide x 15 ½” compartments, aluminum construction and easy-to-read clear plastic name slots their mailboxes offer. 

Custom Private Front-Loading Cluster Mailboxes for Your Private Mailbox Store

U.S. Mail Supply supplies front-loading, locking cluster mailboxes for clients looking to start their own private PO Box and mailbox store. across the country. Ask us about:

  • Lock options
  • Mailbox sizes
  • Parcel lockers
  • Slots in mailbox doors
  • Other customizable features

Contact us for configuration assistance with a customized unit. 

Shop all horizontal mailboxes for sale from U.S. Mail Supply.

 

Reduce Mail Theft and Vandalism With U.S. Mail Supply

Our front-loading mailboxes have a thick, durable interlocking master door designed to prevent prying so your mail will be kept secure at all times.  

Your post office must be consulted before installation due to specific placement rules. Contact us today for specific USPS Compliance, model inquiries, and other questions. Our knowledgeable staff is eager to assist you.

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Front-Loading Locking Clusters Ideal for Mailbox Stores and Commercial Buildings

Our private-use front-loading cluster mailboxes will suit any private mailbox store, PO Box store, apartment buildings, universities, residential areas, and other private-use commercial applications. Our expert customer service staff is available to guide you through our products to select the best mailbox for your business. 

Shop all locking mailboxes from U.S. Mail Supply or call (262) 782-6510 for more details on your order.

 

FAQs About Private Front-Loading Locking Cluster Mailboxes

Can I use locking cluster mailboxes for my private mailbox store?

Yes, locking cluster mailboxes from US Mail Supply are ideal mailbox units for private mailbox stores and PO box stores.  

Are front-loading locking cluster mailbox units USPS-Approved? 

Our selection of front-loading private mailboxes are not USPS Approved. These mailbox units are designed for internal mail distribution in commercial settings such as PO box stores, mailbox stores, offices, universities and other private institutions.

Why do people choose to have private mailboxes?

Private mailboxes keep mail secure and usually have flexible access times, making them ideal for frequent travelers or business owners. Private mailboxes offer a professional alternative to PO boxes for businesses, and they provide a discreet solution for people who prefer to avoid mail arriving to their home for privacy or security reasons.