Postal Supply has a wide variety of standard cluster box units available for your residential or commercial property right now. CBU Cluster Box Units provide a flexible USPS-compliant solution for mail and parcel delivery in a centralized location. The rugged weather-resistant powder coat finish protects these mailbox clusters from scratching and vandalism and is also easy to maintain. It will be easier to keep your standard cluster box units looking great for far longer wherever you install them.

Postal Supply’s standard stock units include heavy-duty tenant cam locks with three keys, parcel lockers with key trapping locks, and an outgoing mail slot with weather protection hood for tenants’ convenience. Our USPS CBU mailboxes also have standard silver identification decals with black numbers. They can be used individually or in clusters, depending on your facility’s needs. Our cluster box units are USPS-approved as well. All units include a sturdy pedestal to meet USPS installation regulations and are available in six architectural colors that complement most decors. All units are made to order and non-returnable. If you want to install high-quality units for mail delivery to your apartment complex or another facility, look through the standard cluster box unit mailboxes for sale below to learn more.