About 1400 Series STD-4B+ Approved Horizontal Mailboxes
An indoor mailroom staple for decades, these horizontal mailboxes are approved by USPS if they are a direct one-to-one replacement for apartment communities where the U.S. Postal Service is delivering the mail. Horizontal mailboxes may be used in any private delivery application such as university or for military mail distribution.
All new construction or renovation projects require USPS Approved STD-4C mailboxes.
Standard Features
- Front load
- Recess-mounted
- Prepared for USPS installed Master Lock
- Anodized aluminum finish
- 5-pin cylinder tenant cam lock with two keys (1,000 key changes)
- Clear plastic number slots or engraved numbers
- Snap-on outer trim kit (available by request)
- Modular design allows customized configuration

Available Colors
Anodized
Aluminum
Metal Finish
Anodized Aluminum is standard for all horizontal mailboxes. Colors shown here may vary slightly due to variance in computer monitor. Color reference samples are available by request.
Downloads & product information
2019 Centralized Mail Delivery (PDF)
2021 Florence Catalog (PDF)
Florence Care & Cleaning (PDF)
Florence Sustainability (PDF)
Florence Warranty (PDF)
2018 Replacement Catalog (PDF)
1400 7 High
1400 7 High
1400 1600 Install (PDF)
Horizontal 140075A (PDF)
Horizontal 140075OUA (PDF)
Horizontal 140075PLA (PDF)
Horizontal 140074A (PDF)
Horizontal 140073A (PDF)
1400 6 High
1400 6 High
1400 1600 Install (PDF)
Horizontal 140065A (PDF)
Horizontal 140064A (PDF)
Horizontal 140063A (PDF)
Horizontal 140064DA (PDF)
Horizontal 140062A (PDF)
1400 5 High