Salsbury Industries Roadside Mailbox with Front & Rear Access

Salsbury IndustriesSKU: 4325BLK


Volume Pricing Available

Color: Black
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Salsbury 4300 Series Roadside Mailboxes


  • Mailboxes are U.S.P.S. approved
  • Manufactured by Salsbury Industries to USPS-STD-7B specifications
  • Made entirely of aluminum
  • Feature both a front and rear access locking door
  • Include a lock with 2 keys on each door (keyed alike)
  • Feature a durable powder coated finish available in black, green, silver and white
  • Includes an adjustable red signal flag
  • Mail is deposited through a non-locking access panel on the front and includes an outgoing tray
  • Mailboxes can be mounted on posts and in columns, masonry or walls
  • Salsbury Industries is an ISO 9001:2015 certified company and has excelled in the field of manufacturing since 1936

Mail Chest vs Roadside Mailbox

Roadside Mailbox Dimensions 

Mailchest Dimensions (Bigger outdoing mail tray and mail deposit area)


  • Bolt mounted or in-ground mounted standard pedestal or deluxe post
  • Multiple roadside mailboxes can be mounted on the 2-sided deluxe post and on the standard pedestal using spreaders
  • Newspaper holder
  • Custom engraved placards
  • Custom vinyl numbers / letters
  • Non-locking thumb latches
  • Replacement red signal flag

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