Front-Loading Type Standard Horizontal Mailboxes
(Wall Mount) – USPS Approved for Replacement Only
Front Loading Horizontal Mailboxes from National Mailboxes are accessed from the front by the postal carrier and include a front postal master access door. This door is not a tenant door and cannot be used as a tenant door. The mail carrier opens this door which is equipped with USPS postal master lock opening the entire front of unit allowing them access to all compartments at once so their mail distribution and delivery can be done. This postal master access door can also be equipped with a private master lock upon request instead if using for private party use and access. All wall mounted horizontals are of the highest quality, very secure and made from heavy duty aluminum and are USPS Approved for replacement. All tenant locks and keys are included and a wide selection of color finishes are also available. Learn More
For more product info contact the National Mailboxes Customer Support Center at 1-800-676-5161



Showing 1–27 of 36 results
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35 A-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140035FL
Sale! Wholesale Pricing:
Original price was: $3,828.50.$3,528.50Current price is: $3,528.50. View Options -

30 A-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140030FL
Sale! Wholesale Pricing:
Original price was: $3,333.50.$3,033.50Current price is: $3,033.50. View Options -

Special 30-Door Horizontal Mailbox Unit with 1 Parcel Locker (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140075PLFL
Sale! Wholesale Pricing:
Original price was: $4,577.50.$4,177.50Current price is: $4,177.50. View Options -

Special 30-Door Horizontal Mailbox Unit with 1 Outgoing Mail (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140075OUFL
Sale! Wholesale Pricing:
Original price was: $4,577.50.$4,177.50Current price is: $4,177.50. View Options -

28 A-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140028FL
Sale! Wholesale Pricing:
Original price was: $3,030.50.$2,830.50Current price is: $2,830.50. View Options -

25 A-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140025FL
Sale! Wholesale Pricing:
Original price was: $2,715.50.$2,515.50Current price is: $2,515.50. View Options -

Special 25-Door Horizontal Mailbox Unit with 1 Parcel Locker (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140065PLFL
Sale! Wholesale Pricing:
Original price was: $4,267.50.$3,967.50Current price is: $3,967.50. View Options -

Special 25-Door Horizontal Mailbox Unit with 1 Outgoing Mail (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140065OUFL
Sale! Wholesale Pricing:
Original price was: $4,267.50.$3,967.50Current price is: $3,967.50. View Options -

24 A-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140024FL
Sale! Wholesale Pricing:
Original price was: $2,625.50.$2,425.50Current price is: $2,425.50. View Options -

21 A-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140021FL
Sale! Wholesale Pricing:
Original price was: $2,310.50.$2,110.50Current price is: $2,110.50. View Options -

20 A-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140020FL
Sale! Wholesale Pricing:
Original price was: $2,220.50.$2,020.50Current price is: $2,020.50. View Options -

Special 20-Door Horizontal Mailbox Unit with 1 Parcel Locker (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140055PLFL
Sale! Wholesale Pricing:
Original price was: $3,617.50.$3,317.50Current price is: $3,317.50. View Options -

Special 20-Door Horizontal Mailbox Unit with 1 Outgoing Mail (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140055OUFL
Sale! Wholesale Pricing:
Original price was: $3,617.50.$3,317.50Current price is: $3,317.50. View Options -

18 A-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140018FL
Sale! Wholesale Pricing:
Original price was: $1,918.50.$1,818.50Current price is: $1,818.50. View Options -

15 A-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140015FL
Sale! Wholesale Pricing:
Original price was: $1,603.50.$1,503.50Current price is: $1,503.50. View Options -

14 A-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140014FL
Sale! Wholesale Pricing:
Original price was: $2,098.50.$1,998.50Current price is: $1,998.50. View Options -

12 A-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140012FL
Sale! Wholesale Pricing:
Original price was: $1,805.50.$1,705.50Current price is: $1,705.50. View Options -

10 A-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140010FL
Sale! Wholesale Pricing:
Original price was: $1,513.50.$1,413.50Current price is: $1,413.50. View Options -

14 B-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140314FL
Sale! Wholesale Pricing:
Original price was: $2,387.50.$2,187.50Current price is: $2,187.50. View Options -

12 B-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140312FL
Sale! Wholesale Pricing:
Original price was: $1,977.50.$1,877.50Current price is: $1,877.50. View Options -

10 B-size Door Horizontal Mailbox Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140310FL
Sale! Wholesale Pricing:
Original price was: $1,757.50.$1,657.50Current price is: $1,657.50. View Options -

6-Extra Large Door Horizontal Parcel Locker Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140074PLFL
Sale! Wholesale Pricing:
Original price was: $2,767.50.$2,567.50Current price is: $2,567.50. View Options -

6-Large Door Horizontal Parcel Locker Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140064PLFL
Sale! Wholesale Pricing:
Original price was: $2,447.50.$2,247.50Current price is: $2,247.50. View Options -

4-Large Door Horizontal Parcel Locker Unit (Wall Mount) Front Loading (USPS Approved for Replacement Only) – H140054PLFL
Sale! Wholesale Pricing:
Original price was: $2,037.50.$1,937.50Current price is: $1,937.50. View Options -

35-Door Standard Horizontal In-Wall Mount Mailbox Unit (34 Usable Doors) Front Loading (USPS Approved for Replacement Only) – H3635FL
Sale! Wholesale Pricing:
Original price was: $3,828.50.$3,528.50Current price is: $3,528.50. View Options -

30-Door Standard Horizontal In-Wall Mount Mailbox Unit (29 Usable Doors) Front Loading (USPS Approved for Replacement Only) – H3630FL
Sale! Wholesale Pricing:
Original price was: $3,333.50.$3,033.50Current price is: $3,033.50. View Options -

28-Door Standard Horizontal In-Wall Mount Mailbox Unit (27 Usable Doors) Front Loading (USPS Approved for Replacement Only) – H3628FL
Sale! Wholesale Pricing:
Original price was: $3,030.50.$2,830.50Current price is: $2,830.50. View Options
Showing 1–27 of 36 results
- FREE Shipping/Freight (Via Truck) Promotional This Month – Expires Month End
- Front Loading
- USPS Approved for Replacement of Existing Wall Mounted Mailboxes
- Recessed, In-Wall Mount Type
- Includes USPS 4B+ Security Upgrade Kit
- Tenant Locks and Keys are Included (Includes 2 Keys per Door or per Lock)
- Constructed and Manufactured of Heavy Duty Extruded Aluminum
- Standard Number Slots for Door Identification Included (Optional Door Engraving also Available)
Colors: Standard color is Anodized Aluminum/Silver. Other colors available for an additional charge include Dark Bronze, and Sandstone (Email or Call for Price).
Custom Mailbox Solutions for Every Facility
Front-loading horizontal mailboxes can be customized to meet specific requirements. Available options include:
- Different mailbox sizes to accommodate various mail volumes
- Parcel lockers for secure package storage
- Outgoing mail slots for easy collection of outgoing correspondence
- Custom lock options for enhanced security
These mailboxes are ideal for property managers and building owners looking for a streamlined and secure mail distribution system. The front-loading design simplifies mail delivery, while the durable aluminum construction ensures long-term reliability in indoor environments.
Order Your Front-Loading Horizontal Mailboxes Today
National Mailboxes provides high-quality private-use horizontal mailboxes designed for efficient and secure mail distribution. Whether you need a standard configuration or a fully customized solution, our team is ready to assist in selecting the best mailbox setup for your facility. Contact us today for expert guidance and to explore available options.
Downloads:
Multi-Unit Mailboxes FAQs:
- What Are Multi-Unit Mailboxes and How Do They Work?
- How Do I Install Multi-Unit Mailboxes?
- Can I Customize Multi-Unit Mailboxes?
- Can My Commercial Property Use Multi-Unit Mailboxes?
- What Are The Benefits of Buying Multi-Family Mailboxes?
- What Are the Requirements for Multi-Unit Mailboxes??
NOTE: Standard Horizontal Mailboxes are USPS Approved ONLY for Replacement of Existing Wall Mount Mailboxes












































