United States Postal Service Mailbox Installation Guidelines changes — 20141202_rev01

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Every new mailbox design should be reviewed and receive the Postmaster General's (PMG) seal of approval before it goes to market. If you opt to construct your own mailbox, it must meet the same standards as manufactured boxes, so show the plans to your local postmaster for approval.

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#### Placing the Mailbox

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

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- Position your mailbox 41 to 45 inches above ground level.

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- Place your mailbox 6 to 8 inches back from the curb. If you do not have a raised curb, contact your local postmaster for guidance.

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- Position your mailbox 41" to 45" above ground level.

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- Place your mailbox 6" to 8" back from the curb. If you do not have a raised curb, contact your local postmaster for guidance.

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- Put your house or apartment number on the mailbox.

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- If your mailbox is on a different street from your house or apartment, put your full street address on the box.

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- If you are attaching the box to your house, make sure the postal carrier can reach it easily from your sidewalk, steps, or porch.

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#### Installing the Post

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

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- A 4 inches x 4 inches wooden support or a inches 2-diameter standard steel or aluminum pipe.

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- A 4" x 4" wooden support or a 2"-diameter standard steel or aluminum pipe.

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- Avoid unyielding and potentially dangerous supports, like heavy metal pipes, concrete posts, and farm equipment (e.g., milk cans filled with concrete).

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- Bury your post no more than 24 inches deep.

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- Bury your post no more than 24" deep.

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## Door Slots

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#### Approved Door Slots

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Some homes and apartments have a slot in the door for receiving mail rather than a mailbox. The standards for an approved door slot are:

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- The opening must be at least 1 1/2 inches x 7 inches.

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- The bottom of the slot must be at least 30 inches above floor.

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- The opening must be at least 1 1/2" x 7".

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- The bottom of the slot must be at least 30" above floor.

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- Horizontal slots must have a flap hinged at the top.

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- Vertical slots must be hinged on the opposite side from the door's hinges.

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#### Inside Door Slot Hoods

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The standards for approved inside door slot hoods are:

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- The hood should not project more than 2 1/16 inches beyond the inside of the door.

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- The hood should not project more than 2 1/16" beyond the inside of the door.

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- On a horizontal slot, the hood should not extend below the bottom of the outside plate.

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- On a vertical slot, the hood should not extend beyond the side of the outside plate on same side as the door's hinges.

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## Maintenance

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Mailboxes take a beating from the weather, so we recommend an annual mailbox checkup to avoid damage to your mail or difficulty identifying your address.

 Every new mailbox design should be reviewed and receive the Postmaster General's (PMG) seal of approval before it goes to market. If you opt to construct your own mailbox, it must meet the same standards as manufactured boxes, so show the plans to your local postmaster for approval.
 #### Placing the Mailbox
 Here are some helpful guidelines to follow when installing your mailbox:
+- Position your mailbox 41 to 45 inches above ground level.
+- Place your mailbox 6 to 8 inches 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.
+- Place your mailbox 6" to 8" back from the curb. If you do not have a raised curb, contact your local postmaster for guidance.
 - Put your house or apartment number on the mailbox.
 - If your mailbox is on a different street from your house or apartment, put your full street address on the box.
 - If you are attaching the box to your house, make sure the postal carrier can reach it easily from your sidewalk, steps, or porch.
 #### 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 inches x 4 inches wooden support or a inches 2-diameter standard steel or aluminum pipe.
+- 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 inches deep.
+- Bury your post no more than 24" deep.
 ## Door Slots
 #### Approved Door Slots
 Some homes and apartments have a slot in the door for receiving mail rather than a mailbox. The standards for an approved door slot are:
+- The opening must be at least 1 1/2 inches x 7 inches.
+- The bottom of the slot must be at least 30 inches above floor.
+- The opening must be at least 1 1/2" x 7".
+- The bottom of the slot must be at least 30" above floor.
 - Horizontal slots must have a flap hinged at the top.
 - Vertical slots must be hinged on the opposite side from the door's hinges.
 #### Inside Door Slot Hoods
 The standards for approved inside door slot hoods are:
+- The hood should not project more than 2 1/16 inches beyond the inside of the door.
+- The hood should not project more than 2 1/16" beyond the inside of the door.
 - On a horizontal slot, the hood should not extend below the bottom of the outside plate.
 - On a vertical slot, the hood should not extend beyond the side of the outside plate on same side as the door's hinges.
 ## Maintenance
 Mailboxes take a beating from the weather, so we recommend an annual mailbox checkup to avoid damage to your mail or difficulty identifying your address.

Mailbox Installation Guidelines

Full text changes — 20141118_rev01 to 20141202_rev01