Roadside Locking Mailbox (USPS Approved)

Roadside Locking Mailboxes from National Mailboxes are an excellent option for your Residential Mailbox needs. They are USPS approved for curbside mail delivery and feature both a front and rear access locking door. They are made entirely of aluminum and are available in a variety of powder coated finishes including black, green, silver, and white. Learn More

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

  USPS Approved

Showing 1–15 of 16 results

Showing 1–15 of 16 results

Product Line Features:

  • USPS approved
  • Each unit includes an outgoing mail tray, a lock with two keys on each door (keyed alike) and an adjustable red signal flag. Mail is deposited through a non-locking access panel on the front
  • Roadside mailboxes are approved for U.S.P.S. curbside mail delivery.
  • Unit size: 12-1/2″W x 13-5/8″H x 18-1/4″D (Installed height w/ pedestal: 45-1/2″)
  • Mail deposit opening size: 10″W x 1-3/4″H
  • Includes outgoing mail tray
  • For a larger version of this product, see mail chests.
  • Also check out Deluxe Roadside Mailboxes

H4382 & H4383 SPREADERS: Made of heavy duty aluminum, National Mailboxes spreaders are an ideal way to mount multiple roadside mailboxes to pedestals. Optional two-wide (H4382) and three-wide (H4383) spreaders easily attach to standard pedestals (H4365 and H4385). Roadside mailboxes can also be mounted in groups using the two-sided deluxe posts (H4380).

H4315 NEWSPAPER HOLDERS: Made of heavy duty aluminum, National Mailboxes newspaper holders are a unique option for roadside mailboxes. Each unit has a solid back and includes mounting hardware to easily attach to the bottom of roadside mailboxes and to the top of pedestals and spreaders. Newspaper holders feature a durable powder coated finish available in four contemporary colors.

  • H4365 BOLT-MOUNTED PEDESTAL (SOLD SEPARATELY)
  • H4385 IN-GROUND MOUNTED PEDESTAL (SOLD SEPARATELY)
  • H4370 IN-GROUND MOUNTED DELUXE POST (SOLD SEPARATELY)
  • H4372 IN-GROUND MOUNTED DELUXE POST (SOLD SEPARATELY)

Roadside mailboxes can be mounted on the optional bolt mounted (H4365) or inground mounted (H4385) aluminum pedestals, in-ground mounted deluxe posts (H4370 and H4372) or a base of your choice. Roadside mailboxes can also be mounted in columns, masonry or walls.

H4388 NON-LOCKING THUMB LATCHES: Non-locking thumb latches (H4388) are available as an option upon request.

H4316 REPLACEMENT FLAGS: Made of heavy duty aluminum, mail chest replacement signal flags have a durable red powder coated finish and include stainless steel mounting hardware.

H4367 CUSTOM ENGRAVED PLACARDS: 8-1/2″ W x 2″ H custom engraved self-adhesive placards are available as an option upon request.