Placing the Mailbox
Here are some helpful guidelines to follow when installing your mailbox:

• If you are attaching the box to your house, make sure the postal carrier can reach it easily from your sidewalk, steps, or porch.
• If your mailbox is on a different street from your house or apartment, put your full street address on the box.
• Place your mailbox 6" to 8" back from the curb. If you do not have a raised curb, contact your local postmaster for guidance.
• Position your mailbox 41" to 45" above ground level.
• Put your house or apartment number on the mailbox.

Installing the Post
The best mailbox supports are stable but bend or fall away if a car hits them. The Federal Highway Administration recommends:

• A 4" x 4" wooden support or a 2"-diameter standard steel or aluminum pipe.
• Avoid unyielding and potentially dangerous supports, like heavy metal pipes, concrete posts, and farm equipment (e.g., milk cans filled with concrete).
• Bury your post no more than 24" deep.