NEW 4C Horizontal Wall Mount High Security Type Commercial Mailboxes - USPS Approved

High-quality Commercial Mailboxes made in the USA

The NEW 4C Series Horizontal Wall Mount Mailboxes offered and manufactured by National Mailboxes are now required and mandatory for ALL new construction and major renovation wall mount installations according to the U.S Postal Service. This is a new postal regulation and requirement for U.S mail delivery. The new (USPS Approved) 4C Horizontal Mailboxes are high security type, front loading style and include parcel locker compartments for packages and an outgoing mail compartment for outgoing mail. All models are available in either standard recessed in-wall mount style or surface wall mount style as optional surface collar enclosures are available if needed. All tenant door locks with keys are included and a wide selection of protective finish colors are offered which include- sandstone, postal grey, silver speck, gold speck, dark bronze, antique bronze, black and white. Optional private master locks for private use/access delivery applications are also available upon request. Learn More

Downloads:
– 4C Horizontal Mailboxes – USPS Approved and STD-4C Compliant
– 4C Horizontal Mailboxes Installation Manual
– Accessibility Installation References and ADA Requirements

For more product info contact the National Mailboxes Customer Support Center at 1-800-676-5161

Product Overview: STD-4C Front Load Series:

Product Overview: STD-4C Surface Mount Series:


Product Line Features:

  • USPS Approved and Postal Certified for US Mail Delivery
  • Front Loading Horizontal Type
  • Tenant Locks and 3 Keys per Door Included in Prices
  • New 4C Series High Security (Mandatory & Required for New Construction & Major Renovation Wall Mount Installs)
  • USPS Approved and Postal Certified for All Wall Mount Installations
  • 4C Wall Mount Horizontal Type: Both Recessed In-Wall Mount Style and Surface Wall Mount Style are Available (Optional Surface Mount Collars Sold Separately for Surface Wall Mounting Applications)
  • Constructed and Manufactured of Heavy Duty Aluminum and Stainless Steel for Extended Life
  • Tenant Locks and Keys Included (3-Keys per Door or Lock are Included)
  • For Installing Multiple Units 4C Connector Kits are Included Allowing for Fast, Easy & Secure Installation
  • Wide Selection of Special Protective and Attractive Powder Coated Finish Colors to Choose From
  • Includes Self-Adhesive Aluminum Number Plates for Door Identification (Custom Engraved Numbering also Available)
  • FREE Shipping/Freight (Via Truck) Promotional This Month – Expires Month End
  • Learn more about 4C Horizontal Mailboxes

PLEASE NOTE: New 4C Horizontal Mailboxes are USPS Approved & Postal Certified and are Now Mandatory for All New Construction and Major Renovation Wall-Mount Installations According to the U.S Postal Service (If for USPS Use/Access-Direct US Mail Delivery) New Postal Requirement-Regulation

Additional Information:

4C Horizontal Mailboxes – USPS Approved and STD-4C Compliant
Choosing Centralized Mailboxes that Comply with the US Postal Service Regulations
Accessibility Installation References and ADA Requirements
Shop all Commercial Mailboxes from National Mailboxes