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USPS Mailboxes

Subject to local regulations and installation requirements, our products can comply with USPS standards, as defined by the Postmaster General.

Please note that the USPS periodically updates mailbox standards and guidelines. Before proceeding with mailbox projects, we recommend you consult with your local Postmaster to comply with your specific area guidelines. US Mail Supply experts are standing by to help you navigate the product selection and installation process.

Courier Box for Businesses, Universities and Institutions

This courier box from Salsbury Industries has a 15 ¾” wide by 7” high opening to accommodate small to medium-sized parcels and a secure 3-point locking mechanism to keep the contents secure. A hood over the front access door provides shelter from the elements, and a user access door in back facilitates collection of parcels. Built with 14-gauge steel for durability and finished in a durable powder coat finish (blue, dray, white or primer).

  • Ideal for colleges, schools, apartments, condominiums, office buildings, corporate mail centers, military bases and other applications
  • Durable 14 gauge steel construction
  • Powder coated finish in blue, gray, white and primer
  • 3-point locking mechanism (with 3 keys)
  • Salsbury Industries is an ISO 9001:2015 certified company in business since 1936

Shop all drop boxes and postal specialties for sale online from U.S. Mail Supply.

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.