Mailbox Sizes: How to Find the Right Size for Your Needs
Fit all your letters and packages with ease.
It can be confusing to know what mailbox size you need to fit all of your mail. Whether you are looking to refresh your residential mailbox or you run a small business and need a larger spot for packages and orders, knowing the various mailbox dimensions will help you choose the right one for your needs.
Tip!
It’s also important to choose the right type of mailbox. Learn about the various mailbox types in our guide here.
Mailbox Size Guide
There are four different mailbox sizes to consider when choosing the perfect mailbox for your intended usage. Here’s more about each size and how much mail they can hold:
Small Mailboxes
Smaller mailboxes are perfect for residential homes of people who don’t typically receive a lot of mail. If you are in the habit of checking your mailbox daily, don’t have a lot of subscriptions coming to your home, and just receive the occasional letter from time to time, a small mailbox is the perfect size for you. These types of mailboxes can be installed as a wall-mount mailbox or at the end of your driveway on a post. Small mailbox dimensions range anywhere from 12" tall to 5" – 19" wide and 4" –14'' deep. A small mailbox can comfortably hold about 10 to 15 standard letters and two rolled magazines and newspapers.
Medium mailboxes are another great option for standard residential properties. These mailbox sizes are designed to be slightly larger than a small mailbox and can be installed on the wall or on a post. A medium mailbox can hold everything a small mailbox can hold, plus any small boxes and packages you may receive, as well as padded documents. The standard mailbox dimensions are 6" – 20'' tall, 6" – 20'' wide, and 10" – 20'' deep. If you are someone who loves online shopping or has a lot of subscription magazines that come in throughout the week, a medium mailbox is the perfect size for your needs.
Tip!
Figured out your perfect mailbox? Great! Learn how to install it thanks to our guide: How to Install a Mailbox: Our Easy Step-by-Step Guide
Large Mailboxes
Large mailboxes can still be used for residential properties, but their extra room is also beneficial for businesses. Large mailbox dimensions are typically 12' – 20'' tall, 10" – 20'' wide, and 6" – 20'' deep. A large mailbox holds small- and medium-sized boxes, as well as shoe boxes, in addition to letters and catalogs. Magazines or newspapers do not have to be rolled in order to fit in this size of a mailbox, since there’s enough space for everything to lay strategically. They are typically installed at the end of your driveway with a post.
An extra-large mailbox is best for collecting large packages, so this option is most beneficial if you’re a homeowner looking for a place for your larger boxes to go, or you’re a business owner wanting to store incoming inventory. These types of mailboxes can be installed at the end of your driveway on a post, or you can place them to the side on your porch. Extra large mailboxes have dimensions that range from 20" – 40'' tall, 15" – 40' wide, and 10" – 17'' deep. These mailboxes can hold your everyday mail as well, if you choose this option for all mail deliveries.
Now that you know the different mailbox sizes, it’s time to shop for the right one for you!
