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All Letter Locker Mailboxes

Letter locker mailboxes are outdoor mailboxes manufactured with heavy gauge electro-galvanized steel. These are perfect so small businesses who want to keep their incoming and outgoing mail locked. With several powder coat finishes, this mailbox will fit anywhere.

Letter locker mailbox features:

  • Our Letter Locker outdoor mailboxes are the highest quality mailboxes for your money
  • Manufactured from heavy gauge electro-galvanized steel
  • Several powdercoat finishes to choose from
  • The Arrow Letter Locker is ideal for small businesses who need to have locked incoming and outgoing mail – NOT intended for residential use
  • The Arrow Letter Locker requires local USPS approval and comes with the front door prepped for the USPS Arrow Lock
  • The Standard and Super Letter Locker mailboxes are equipped with a pull down front door which does not require the mail carrier to have a key. It also has a secure chute that prevents someone from reaching into the mailbox to steal your mail
  • The Arrow, Standard and Super Letter Locker mailboxes have four tenant lock options - Level 1 is the Standard 5-pin hook cam latch lock - Level 2 is the new Medeco deadbolt lock with an upgraded 10 gauge steel door ($125 upcharge) - Level 3 uses a USPS approved 5-pin tumbler lock with 10 gauge stainless steel cam and "Claw" locking mechanism and heavy duty door with two 14 gauge steel plates pressed together ($175 upcharge) - Level 4 (Highest security level) has the Medeco deadbolt lock, 10 gauge stainless steel "Claw" locking mechanism and door made with two 14 gauge steel plates pressed together ($250 upcharge).
  • Click HERE to see information on all of the lock options
  • All of the shown Letter Locker mailboxes include a side-mounted red stainless steel flag.
  • All Letter Locker mailboxes are available with optional surface mount or in-ground pedestals (PEDESTALS ARE SOLD SEPARATELY!)
  • Optional spreaders are also available to accommodate multiple mailbox installations
  • The Standard and Super Letter Locker mailboxes are USPS approved and do not require the USPS lock
  • Click here to see the available powdercoat finishes
  • Click here to download installation instructions
Shop USPS approved locking residential pedestal mailboxes for sale from U.S. Mail Supply.