Mail Package Drop Locking Mailbox (High Security Type) USPS Approved

Wholesale PricesMade entirely of heavy duty aluminum, National Mailboxes USPS Approved H4300 Series mail package drop mailboxes feature both a front and rear access locking door. Mail is deposited through a non-locking access pull down hopper door on the front. Each unit includes an outgoing mail tray, a lock with 2 keys on each door (keyed alike) and an adjustable red signal flag. Units are available in protective and durable powder coated black, green, silver or white finish. Mail package drop mailboxes can be mounted on the optional bolt mounted style or in-ground mounted style aluminum pedestal stands. Non-locking thumb latches are also optional upon request. These units are approved for USPS curbside mail delivery. Postal master lock not required. Learn More

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

USPS Approved

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Product Line Features:

  • Secure Mail Drop Boxes
  • National Mailboxes also has several accessories for these mail drop receptacles so take a moment to look at what we have to offer. Call us today for more information at 1-800-676-5161.
  • H4375 MAIL PACKAGE DROP (USPS Approved or for Private Use / Private Access)
  • Made entirely of aluminum, National Mailboxes U.S.P.S. approved H4300 series Mail Package Drops feature both a front and rear access locking door. Mail is deposited through a non-locking access panel on the front.
  • Each unit includes an outgoing mail tray, a lock with two keys on each door (keyed alike) and an adjustable red signal flag. Units are available in a black, green, silver or white powder coated finish. Mail package drops are approved for U.S.P.S. curbside mail delivery. Master postal lock not required.
  • Mail Deposit Opening Size: 11″W x 5″H