Jayco Supreme Letter Locker – Mailbox Big Box
Mailbox Big Box


(503) 339-3163 |

Jayco Supreme Letter Locker



Of all mailboxes in the Letter Locker range, the Supreme Letter Locker is the largest. It is best for commercial use or for homeowners who travel frequently

Capable of holding more than a month of mail. It's receiving mail slot easily accommodates small parcels.


Made in the U.S, just like the rest of Letter Locker family




Supreme Letter Locker LL2SUP colors




  • Built with 14 and 16 gauge steel
    • High security stainless steel hook cam and 5 pin lock
    • Red mail flag (stainless steel)
    • Powder coated finish for toughness
    • Limited lifetime warranty
    • USPS Approved



    Lock Options

    • Standard – High security 5-pin lock with 3 keys and a 3/16" stainless steel cam

       Supreme Letter Locker standard lock LL2SUP

    • Claw Lock – 4 claw locking mechanism made with stainless steel. 4x the security of the standard 5-pin lock

              Supreme Letter Locker Claw Lock LL2SUP


    • Claw Lock + Deadbolt – 4 claw locking mechanism in stainless steel. Plus an additional medico deadbolt. The ultimate in mailbox security

              Supreme Letter Locker Claw Lock LL2SUP        Supreme Letter Locker Medico Deadbolt


    See how the claw lock works below. Mailbox shown here is the standard letter locker




    Post Options

    All Letter Locker posts will be shipped color matched to your mailbox



    • Aluminium - For strong rust-resistance and durability
    • Stainless Steel - To withstand extreme climate conditions



    • Surface – Includes a ground and mailbox base, perfectly suited for mounted on the existing concrete (includes complete mounting hardware)
    • In Ground – longer posts that are used to directly install the product in the ground, together with a concrete pour.  This is the same method of installing a standard fence post



    Recipient Access Door Options

    • Front - Default
    • Rear - See image below

             Supreme letter locker rear access LL2SUP 




              Jayco Supreme Letter Locker LL2SUP dimensions


    Jayco mailboxes are built to order and usually ship in 14 working days.