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STD-4B+ and Private Horizontal

STD-4B+ USPS and Private Delivery Horizontal Mailboxes

Prior to USPS mailbox regulation changes in 2006, horizontal mailboxes were the standard for many large multifamily residential and business mail delivery applications. However, these time-tested mailboxes may now only be used in direct one-to-one replacements in facilities with U.S. Postal Service mail delivery. When initiating a replacement or renovation project - it is always a good idea to get the approval from your local postal authority before altering the mail system in your building; but in general, if your project is not disturbing the wall the mailboxes are already mounted in, then replacing old mailboxes with a product similar in style is typically acceptable. Any adjustment to the rough opening in the wall will require new STD-4C compliant mailboxes.

Horizontal mailboxes are still an excellent mailbox solution for any private delivery installation such as university dorms, internal business office distribution or a myriad of other private applications.

1400 Series FL USPS 4B+ Approved

(24 products available)
1600 Series FL Private Distribution


1700 Series RL Private Distribution


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