Through Wall Letter Box

Our traditional and modern through the wall letterbox range will keep your post protected, each designed with secure locking systems. Their discreet design fits through walls or pillars, with medium and large options available, and adjustable depths on some models. Our breach telescopic letterbox is extendable, with a large size letter plate and large capacity, ideal for parcels. Our popular Norvin letterbox option features an anti-fishing device, making it almost impossible to remove post via the front of the letterbox, allowing rear retrieval only. For further specifications please select the images below.

Through wall letter box holder

All our postboxes, mailboxes and letterboxes are manufactured in different coloured resilient materials, making them highly robust and weather resistant, whilst blending with the exterior of any aged property. Please browse through our letterbox range today. If you have any questions regarding our through the wall letterbox range, please do not hesitate to contact us for more information.

Wall boxes appeared in 1857, Ludlow boxes in 1885. Letter Box Study Group has grown to become the recognised authority on the subject – all through. The letter chute system is an ideal solution for transferring mail though a brick wall or pier. The mail can be transferred to your own container or our optional collection box. The optional collection box is lockable and supplied with 2 keys, totally waterproof and has been specially designed for the Hudson.

Letter Drop Mailbox Slot – Residential Mailboxes

HLD12 Letter Drop Mail Slot
  • Spring-hinged front door for door or wall installation
  • Extruded aluminum construction
  • Rough opening 5″H x 12-5/8″W
  • Frame size 6-5/16″ H x 14-1/16″W x 3/4″D
  • Colors: Anodized aluminum (standard finish), Dark Bronze, and Gold
  • Door size 4″H x 11-3/4″W
  • Engraved ‘?U.S. Mail” standard

Optional Features:

  • Engraving as specified
  • HLD12L Angled Wall Liner available
  • HLD12LS Straight Wall Liner available
  • HLD12RA Optional Back Plate Interior Frame available

Contact National Mailboxescustomer service center for more product information at 1-800-676-5161

5 Easy Ways to Order:

1: Online Ordering: Full Product Line
2: Phone: (800) 676-5161 (M-F 8am-5pm CST)
3: Fax ORDER FORM to: (414) 585-9843
4:Email Us this completed ORDER FORM
5: Mail: P.O. Box 13144, Wauwatosa, WI 53213

Through The Wall Letter Box Black

Latest Posts

Wall Letter Holder

Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs.
All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. And all powder coated paint finish colors are weather resistant, rust proof and corrosion resistant providing decades of extended life and use.