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Cluster Box Units (CBUs)

Top Sellers
Standard Cluster Box Units for USPS Delivery
6 Products
Starting at $1,187.78
6 Products
Starting at $1,208.78
6 Products
Starting at $1,237.78
6 Products
Starting at $1,257.78
Parts For Cluster Mailboxes
Budget Mailboxes has a wide selection of factory direct USPS-approved Standard Cluster Box Units (CBUs) in bronze, white, gray, sandstone, black, bronze and green finishes.
Frequently Asked Questions
Question: Do the cluster boxes come in size of 20 boxes?
Answer: Yes, there is a 20 Door CBU available as well as a 20 Door 2 Parcel CBU. However, these require approval from your local USPS Postmaster before use.

Question: I am looking for a residential box, self standing with 8 boxes.
Answer: Please click the link to view 8 Door CBU.  These units are ideal for both commercial and residential use.

Question: What is the material used to fabricate the CBUs, is it aluminum?
Answer: Yes, they are made of aluminum.

Cluster Box Units (CBUs)
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Wall Mount Mailboxes Locking Mailboxes Commercial Residential