Commercial Mailboxes Indoor Commercial Mailboxes Clusterbox Units
I wanted to order front loading mailboxes, but after speaking with a rep about my new project he advised me that I would have to order a 4C due to USPS...

- Adam
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Registered Quality System ISO 9001:2008

USPS Approved Cluster Box Units

commercial mailboxesclusterbox units

The USPS approved Cluster Box Units (CBU) are used for centralized delivery of mail and parcel delivery. These secure, attractive freestanding outdoor cluster mailboxes are constructed of stainless steel, durable aluminum, and corrosion-resistant components. Cluster Mailboxes are approved for use throughout the U.S. in all weather conditions, making it the primary external delivery system for the USPS.

With F-Spec mailboxes, outdoor commercial mailboxes, and even decorative cluster mailboxes, we're sure you'll find the unit you're looking for on

Interested in USPS Approved Cluster Box Units?

Contact our reliable customer service staff at 1-800-229-4500 with any questions you may have or to inquire about custom orders.


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