Standard Style Cluster Box Units (CBU) - NEW High Security 1570 Series Type (USPS Approved & Postal Certified)

High-quality CBU Commercial Mailboxes

Wholesale PricesThe Standard Style Cluster Box Units (CBU) from National Mailboxes are designed to meet or exceed the new USPS Security Standards. They are made entirely of heavy duty extruded aluminum along with all stainless steel components and hinges. These high quality cluster mailboxes are front loading style and include all tenant door locks and keys. Parcel locker compartments for packages, outgoing mail compartments for outgoing mail, and pedestal stands are also included. All CBU mailboxes are offered and available in a wide selection of protective and durable powder coated finish colors. Optional private master locks for private use or private access delivery are also available upon request. Learn More

 - CBU Mailbox Installation Instructions Manual
 - CBU Mailboxes Product Line Information
 - CBU Mailboxes Maintenance Manual

For more product info contact the National Mailboxes Customer Support Center at 1-800-676-5161


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Product Line Features:

  • USPS Approved (Postal Certified)
  • Meets or exceeds USPS security standards
  • Front Loading Style
  • Pedestal Included
  • Includes a heavy-duty tenant cam lock with three keys for each tenant door
  • Includes Parcel Locker Compartments for Packages
  • Parcel lockers include a key trapping lock for secure package delivery
  • Includes an Integrated Outgoing Mail Slot with weather protection hood
  • Includes standard silver adhesive identification decals with black numbers
  • Heavy Duty Aluminum and Stainless Steel Construction
  • Rugged, weather-resistant powder coat finish resists scratching and vandalism
  • Master front loading door designed to prevent prying with interlocking overlap seams and tight clearances
  • FREE Shipping/Freight (Via Truck) Promotional-This Month

CBU Colors: Sandstone (Standard Color), Black, Dark Bronze, Postal Grey, Forest Green, and White.

Cluster Box Unit FAQs: