The carrier signal flag can be any color except any shade of green, brown, white, yellow or blue. The preferred flag color is fluorescent orange.
The flag color must present a clear contrast with predominant color of the mailbox.
Auxiliary flags or devices used to signal the customer that the mail has arrived must operate automatically without requiring additional carrier effort.
Learn more about the U.S. Postal Service Standard Mailboxes at Usps.com.
The first step in buying a mailbox is to determine what purpose your mailbox will need to fulfill, be it as simple as collecting mail for one person, or as advanced as offering a hidden newspaper door.
There are endless mailbox options so be sure to carefully consider your needs. Explore which style of mailbox is best for your mail needs and your property at Wayfair.com.