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All Mailboxes & Supplies

U.S. Mail Supply offers residential, locking, commercial mailboxes and mailroom equipment across the nation. All mailboxes are suited to fit any need and keep your mail safe. Buy high-quality mailboxes online today.

Residential Mailboxes, 4C Mailboxes, Wall Mounted Mailboxes, and More from U.S. Mail Supply

U.S. Mail Supply offers an exceptional variety of mailboxes perfectly suited to the differing needs and requirements of our customers. Our high quality mailboxes, mailbox supplies, and mailbox accessories are the nominal choice for apartments and commercial buildings while our storage lockers meet the secure storage needs of any company or establishment.

Contact U.S. Mail Supply today for more information on our wide selection of mailboxes by calling 262.782.6510 or 800.571.0147 for more information.

United States Postal Service Compliant Mailboxes

Whether it’s a wall mounted interoffice mailbox or a 4C mailbox array, U.S. Mail Supply works closely with our customers to create the most optimal layouts and configurations for your mailbox equipment application. The vast majority of the post mounted mailboxes, wall mounted mailboxes, and horizontal mailboxes available from U.S. Mail Supply are compliant with United States Postal Service regulations.

With everything from residential mailboxes and decorative mailboxes to mailroom supplies, secure storage lockers, and high security postal drop boxes, U.S. Mail Supply is your ultimate online source for the highest quality mailboxes and the best prices.

Buy tough metal indoor & outdoor mailboxes that are built to last.

Outdoor Pedestal Mailbox from US Mail Supply

Outdoor Pedestal Mailboxes

Our decorative outdoor pedestal cluster mailboxes are perfect for an apartment building, living facility, or other multi-tenant housing. These residential mailboxes are made of stainless steel and aluminum to withstand weather, protect your mail, and never rust. Our sturdy outdoor pedestal mailboxes are for sale online in a variety of styles, sizes, and configurations.

4C Horizontal Mailboxes

4C horizontal mailboxes provide decades of durable security for your tenants’ mail. They meet high postal standards and the latest USPS regulations to guard against identity theft. These wall-mounted mailboxes are available for sale online in a variety of designs, including customized configurations to meet the needs of your tenants.

Indoor Mailboxes (Replacement and Private Use)

Our vandal-resistant indoor mailboxes are ideal for everything from small apartment buildings to universities, military bases, and hospitals. Our range of indoor mailbox arrangements include:

These indoor mailboxes provide each tenant with a convenient place to pick up their mail. For the best prices and superior security, shop U.S. Mail Supply’s indoor mailboxes.

Drop Boxes and Postal Specialties

Drop boxes and postal specialties offer a convenient place to leave packages and letters. Our postal specialties include:

Sturdy, secure, and weather-proof, these top quality drop boxes are available online at reasonable prices in pedestal, free-standing, and wall-mounted configurations.

Residential Mailboxes


Our residential mailboxes make an elegant addition to your home’s décor. Our broad selection of mailboxes come in a variety of decorative and functional styles, including:

  • Post-mounted
  • Wall-mounted residential mailboxes
  • Powder coat finish

Our lockable wall-mounted residential mailboxes feature locking capabilities to keep your mail safe and secure, as well as optional embossed designs to add attractive texture.

Site Amenities

A pet waste disposal system improves any property’s convenience for pet owners. Our DOGIPOT products keep your location—apartment or condo, campground, hotel, or park—clean and pet friendly. Shop U.S. Mail Supply’s cost-effective pet waste cans, litter bags, and trash liner bags.

Contact U.S. Mail Supply for more information, or call 262.782.6510 or 800.571.0147.


Make sure to choose the RIGHT mailbox.

Don't worry, we can help you figure out what's best and most cost efficient for your space. A representative at U.S. Mail Supply will help you figure out what is required for USPS or private delivery, the number of units you need and any information required for installation.