Welcome to NationalMailboxes.com, home of National Mailboxes, a division of NMHP Inc. We have been a leading Midwest Wisconsin-based manufacturer, distributor, and supplier of high quality commercial and residential mailboxes for over 20 years. Specializing in both high-security USPS Approved commercial mailboxes for U.S. mail delivery and private-use access mailboxes for private party distribution. We offer a wide selection of high quality apartment mailboxes, CBU mailboxes (cluster box units), horizontal mailboxes, vertical mailboxes, pedestal and wall mounted mailboxes, and new 4c mailboxes all available at discounted wholesale pricing.

Commercial Mailboxes

Residential Mailboxes

Collection Mailboxes

Other Mailbox Products


National Mailboxes has been supplying a broad range of businesses and industries throughout North America for decades assisting with their mailbox needs and solutions. With a wide selection of locking mailboxes to choose from offered at wholesale prices we hope your product search ends here. So whether you’re an apartment, condominium, property manager, university, builder or real estate developer chances are we have exactly what you’re looking for. Thanks again for visiting NationalMailboxes.com, North America’s Commercial Mailbox Leader and # 1 Online Destination for Commercial and Residential Mailboxes.

National Mailboxes: Leading the Way

  • National Mailboxes has been the Premier Source for Property Managers, Apartments, Condominiums, Builders, Real Estate Developers, Colleges & Military Bases for Decades.
  • A few of National Mailboxes Customers Include: U.S Postal Service, Prudential Properties, Lockheed Martin, Greystar Real Estate Partners, Meritage Homes Corp., Ohio State University and the United States Air Force.
  • North America’s Commercial Mailbox Specialist and Leader for Over 20 Years
  • Wide Selection of Commercial¬† Mailboxes both USPS Approved for US Mail Delivery and Private Use-Access for Private Mail Distribution
  • Full Product Line of USPS Approved CBU Mailboxes, also known as Cluster Box Units and Cluster Mailboxes.
  • Both Freestanding Pedestal Style and Wall Mounted Mailboxes Available
  • Full Product Line of Mail and Package Collection Boxes, Drop Boxes and Parcel Lockers
  • All Mailboxes Guaranteed for Superior Quality and Craftsmanship
  • Both Outdoor and Indoor Commercial and Residential Mailboxes Available
  • All Outdoor Models are: Weather Resistant, Corrosion, Resistant and Rust Proof
  • New High Security Series 4C Mailboxes Available
  • Both Front Loading and Rear Loading Security Mailboxes Available
  • Manufactured of Heavy Duty Aircraft Aluminum and Stainless Steel for Added Durability
  • Tenant Locks and Keys Included with All Mailboxes
  • Tenant Door Identification Included on All Mailboxes
  • Wide Selection of Protective and Attractive Powder Coated Finish Colors Available
  • Manufacturer Warranties Included on All Mailboxes
  • Mailbox Installation Manuals Included with All Commercial Mailboxes
  • Wholesale Pricing with Lowest Price Guarantee
  • FREE Shipping/Freight (Applies to Select Product Lines)
  • Email or Call Today for FREE Discounted Price Quotations for Multiple Quantities

(Commercial Mailbox Estimators and Consultants Available Upon Request)

Learn More About Cluster Box Units (CBUs)

What is a CBU Mailbox?

How to install a CBU: