Pinnacle Locking Mailboxes

Our USPS Approved Pinnacle locking mailbox will help protect your mail from mail thieves and give you peace of mind. The Pinnacle is affordable, durable, and easy to install.

The Pinnacle locking mailbox is USPS approved by exceeding the US Postmaster General criteria for curbside locking mailboxes.

As a vendor for the US Postal Service, it is required that this mailbox be made of the highest quality.

The Pinnacle locking mailbox accepts a full bundle of mail in one motion and has one of the largest drop chutes of any mailbox in it’s class allowing check boxes andphone books to pass through.

We offer you the following USPS Approved Pinnacle mailbox models:

• Pinnacle Basic
• Pinnacle Supreme
• Pinnacle Plus
• Pinnacle Plus Supreme

Pinnacle Mailbox Installation

This mailbox is easy to install. You can simply mount it to any 4x4 post with mounting brackets that are included with your order.

If you choose, you can order the matching Pinnacle post that comes in the same color as your mailbox. This post ensures strength, stability and security. You can order this post by using the ordering options below.

Mailbox Durability

These mailboxes are made from 1/16” or 3/16’ (depending on model - see below) aluminum plate and is covered with a durable powder coat finish that protects your mailbox for years. All Pinnacle mailboxes are 100% rust free and come with 3 keys to access your locking mailbox.

The Pinnacle comes in four different models and in standard black or white (see below). Custom colors (green, brown and dark gray) are available for an additional charge. Please contact us if you would like a custom color.

Mail Security

This secure locking mailbox with protect your mail and give you peace of mind. Security flaps and a specially designed incoming mail slot will protect your incoming mail by not allowing thieves to stick their hands in and steal mail.

Only you hold the key to unlock your mailbox, not your postmaster.

Pinnacle Locking Mailbox Models

All of the Pinnacle mailboxes come with three keys. The incoming slot dimensions for all of the Pinnacle locking mailboxes are 2.0"H x 10.5"W. All models come in black or white. For an additional $75.00, you can purchase custom colors, which include: brown, grey, light grey, and green. Please indicate which custom color you would prefer along with the color of lettering (black or white) in the comments/special delivery instructions of the order page or call us at 1-800-963-6335. Remember, the mail carrier doesn't need a key. Only you hold the key.