Supreme Letter Locker

Supreme Letter Locker
Supreme Letter Locker Supreme Letter Locker Supreme Letter Locker Supreme Letter Locker Supreme Letter Locker Supreme Letter Locker
Brand: JayCo Mailboxes
Product Code: LL03F
Availability: In Stock
Price: $650.00

Available Options

* Material Options:

* Color Options:

* Lock Options:

* Optional: Outgoing Mail Tray Access:

* Optional: Post Type:

* Optional: Post Model :

   - OR -   

The Supreme Letter Locker® is our largest mailbox and holds up to 4 weeks of mail, making this a secure convenience for travelers. The largest incoming drop also provides ample space for small to medium package delivery. As all our products, this is constructed of high-quality, durable material and is hand-welded and assembled by experienced craftsmen in the U.S.A.


  • Made of 14 gauge steel (Galvanneal), all welded construction
  • Rotating hopper door
  • 7-3/4" H x 10-3/4" W incoming mail/ package drop
  • 10-1/4"W x 7-1/2"D x 1-3/8"H outgoing mail tray
  • 2x anti-fish comb security 
  • Level 1 Security: USPS 5 pin cylinder lock with 3/16" stainless steel "hook" cam
  • Locking front recipient access door
  • Durable powder coat finishes
  • Holds approximately 3 weeks of mail
  • Conditional Lifetime Warranty


Material Options: Most products are also available in Heavy Duty Steel, Aluminum and Stainless Steel.

  • Steel (14 gauge Galvanneal) is our durable 'standard' metal and is the most commonly purchased. All welded construction.
  • Aluminum is recommended for moist climates for their durability and rust-resistance. It is made of .080 thick aluminum.  Strong, riveted construction.
  • Heavy Duty Steel is recommended for high-crime areas.  It is made of thick, 10 gauge steel and nearly indestructible. All welded construction.
  • Stainless Steel is recommended for very damp and freezing climates as it is the most rust resistant metal. Made of 14 gauge stainless steel with #4 brushed finish. Strong, riveted construction.

Lock Options: Four lock levels to choose from.

  • Level 1 Security - (Included) USPS 5 pin cylinder lock with 3/16" stainless steel "hook" cam.
  • Level 2 Security - Medeco® deadbolt and upgraded door. (Steel and Heavy Duty Steel boxes will have a 10 gauge steel door. Aluminum and Stainless Steel boxes will have a stainless steel door. 
  • Level 3 Security - USPS 5 pin cylinder lock with an 11 gauge stainless steel cam and our patented Claw Locking Mechanism.  Door is made from two 14 gauge steel plates pressed together.   
  • Level 4 Security - Medeco® deadbolt with our patented Claw Locking Mechanism. Door is made from two 14 gauge steel plates pressed together.   

Outgoing Mail Tray: Customers who do not use the outgoing mail tray may opt to have it blocked off.  

Post Options: Jayco Industries provides two types of posts for your convenience. Posts are sold separately.

  • Surface Mounts Posts - these posts include a base plate and op plate and should be used for installations on to existing concrete. Mounting bolts are included.
  • In-Ground Posts - these posts are longer and come with a top plate only.  These posts should be used for installing the product directly into the ground with a concrete pour (similar to a fence post).

For additional customization not offered online, please contact a sales representative at 1-800-587-5257 for further assistance. 

Manufacturing Time:

Most Letter Locker® mailboxes are in stock and are shipped within 1-3 business days. However, due to the level of customization we offer, some products are not assembled until the item is purchased, shipping within 7-10 business days. We appreciate your patience while we customize your Letter Locker®.

* A $70.00 UPS "Large Package Fee" is included in the shipping of Supreme Letter Lockers®

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