Horizontal Mailboxes

The current USPS standard is 4C. The old standard 4B+ may be used for one-for-one replacement or repair only.

1400 Series FL

1400 Horizontal Mailboxes Front-Loading

Auth-Florence 1400 and 1500 Series Horizontal Mailboxes are designed for use in larger multi-family apartment buildings, dormitories, office highrises, etc.


Standard Features:

  • Grouped in combinations of 5, 6, or 7 compartments high and 3, 4, or 5 compartments wide
  • Anodized aluminum finish
  • 5-pin cylinder cam lock with two keys and 1,000 key changes
  • Clear plastic number slots
  • Lift-off rear cover on 1500 Series
  • 15" deep compartments
  • Recess-mounted only
  • Not rated for outdoor use - protect product from direct exposure to weather

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1400P/1500P Parcel Lockers

Parcel Lockers provide a place to safely store large packages. They can be installed independently or integrated into a front- or rear-loading horizontal mailbox. Standard Features: Available iin full range of finishes Engraved doors


Standard Features:

  • Engraved doors
  • Available in a full range of finishes

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1450 Series FL Private Distribution

1450 Series Mailbox Front-Load Private Distribution

Auth-Florence 1450 and 1550 Series Horizontal mailboxes are designed for use in larger installations not serviced by the U.S. Postal Service such as dormitories, military installations. etc.


Standard Features:

  • Grouped in combinations of 9, 10, 11, or 12 compartments high and 3, 4, or 5 compartments wide
  • 5-pin cylinder cam locks with two keys and 1,000 key changes
  • Clear plastic number slots
  • Private master lock on the 1450 Series
  • Anodized aluminum finish
  • Not rated for outdoor use - protect product from direct exposure to weather

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1600 Series FL Private Distribution

1600 Horizontal Mailbox Front-Load Private Distribution

The Auth-Florence 1600 and 1700 Series Horizontal Mailboxes are constructed of the same heavy-gauge anodized aluminum as the 1400 and 1500 Series and are designed for use in larger installations not serviced by the U.S. Postal Service.

Standard Features:

  • Grouped in combinations of 7, 8, 9, or 10 compartments high and 3, 4, 5, or 6 compartments wide
  • 5-pin cylinder cam lock with two keys
  • Clear plastic number slots
  • Private master lock on the 1600 Series
  • 15" high door
  • 15" deep compartments
  • Anodized aluminum finish
  • Recess-mounted only
  • Snap-on trim kit
  • Not rated for outdoor use - protect product from direct exposure to weather

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1700 Series RL Private Distribution

1700 Horizontal Mailbox Rear-Load Private Distribution

The Auth-Florence 1600 and 1700 Series Horizontal Mailboxes are constructed of the same heavy-gauge anodized aluminum as the 1400 and 1500 Series and are designed for use in larger installations not serviced by the U.S. Postal Service.

Standard Features:

  • Grouped in combinations of 7, 8, 9, or 10 compartments high and 3, 4, 5, or 6 compartments wide
  • 5-pin cylinder cam lock with two keys
  • Clear plastic number slots
  • Private master lock on the 1600 Series
  • 5" high door
  • 15" deep compartments
  • Anodized aluminum finish
  • Recess-mounted only
  • Snap-on trim kit
  • Not rated for outdoor use - protect product from direct exposure to weather

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Security Upgrade Kits-Horizontal

Security Upgrade Kit for Auth-Florence 1400 Horizontal Mailboxes

Standard Features:

  • Improves lock strength and resistance to the most common methods of attack
  • Makes Horizontal Mailboxes USPS 4B+ Compliant
  • Kits are designed to harden both the Postal Arrow Lock and Master Gate Doors
  • Easy to install, takes only a few tools and a little time

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