Standard Horizontal Wall Mount Mailboxes - USPS Approved for Replacement Only

High-quality Commercial Mailboxes made in the USA

Wholesale PricesStandard Horizontal Mailboxes from National Mailboxes are available in both front loading and rear loading styles and are manufactured from heavy duty aircraft aluminum. These high quality horizontal mailbox units are recessed in-wall mounted style and fully recess into the wall. They are USPS Approved for replacement only although local post office approval is still required. Tenant door locks and keys are included along with standard protective aluminum/silver color finish. Special dark bronze and sandstone color finishes are also available on select models. The postal master locks are furnished by USPS and optional private master locks are available if using/needing for private party use/access mail applications. Learn More

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


★★★★★ “National Mailboxes is one of the best in the business. From reliable products to convenient customer service and competitive pricing. National Mailboxes has been my go-to provider for all my mailbox needs and I recommend them to all of my friends.” – Ram S. (Elmhurst, NY)

Product Line Features:

  • FREE Shipping/Freight (Via Truck) Promotional This Month – Expires Month End
  • Front Loading and Rear Loading Styles Available
  • USPS Approved for Replacement of Existing Wall Mounted Mailboxes
  • Recessed, In-Wall Mount Type
  • Includes USPS 4B+ Security Upgrade Kit
  • Tenant Door Size: 5″H x 6-3/8″W x 16″D
  • Tenant Locks and Keys are Included (Includes 2 Keys per Door or per Lock)
  • Constructed and Manufactured of Heavy Duty Extruded Aluminum
  • Standard Number Slots for Door Identification Included (Optional Door Engraving also Available)
Multi-Unit Mailboxes FAQs:

NOTE: Standard Horizontal Mailboxes are USPS Approved ONLY for Replacement of Existing Wall Mount Mailboxes