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Indoor Commercial Mailboxes

Commercial indoor mailboxes for USPS delivery or private delivery

Shop five different styles of indoor commercial mailboxes from US Mail Supply. We carry 4C horizontal mailboxes, vertical mailboxes, postal drop boxes, and more. Indoor commercial mailboxes from US Mail Supply can be wall or recessed mounted in the lobby of your commercial property. We even offer floor mounted units. Approved for both private use and USPS delivery, all commercial mailboxes from US Mail Supply are built to USPS size and construction standards. Indoor commercial mailboxes are perfect for a wide variety of commercial properties and can be installed in virtually any lobby. Not sure what you need? US Mail Supply will help you choose a mailbox for your commercial facility. Indoor commercial mailboxes from US Mail Supply are perfect for:

  • Office building lobbies
  • Apartment building lobbies
  • Schools
  • Dormitories
  • And more