NEW 4C Series Horizontal Wall Mount High Security Type Commercial Mailboxes - USPS Approved For All Wall Mount Installations

High-quality Commercial Mailboxes made in the USA

Wholesale PricesThe 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 new postal regulation and requirement is for all U.S mail delivery in the USA. The new (USPS Approved) 4C Horizontal Mailboxes are high security type and front loading style with larger tenant compartments for more mail capacity, equipped with parcel locker compartments for packages and include outgoing mail compartments for outgoing mail. Standard models are recessed in-wall mount style and optional surface mount collar enclosures are available for surface wall mounting. All tenant locks and keys are included and a wide selection of protective finish colors are offered. Optional private master locks for private use/access delivery are available upon request. Learn More

– 4C Horizontal Mailboxes – USPS Approved and STD-4C Compliant
– 4C Horizontal Mailboxes Installation Manual
– 4C Surface Mount Collar Enclosure Installation Manual
– Accessibility Installation References and ADA Requirements
– 4C Horizontal Mailboxes Maintenance Manual
– U.S. Postal Service STD-4C Specification Highlights

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 Mailboxes FAQs: