What Is a Standard Direct Mail Size? 

There are a variety of standard direct mail sizes. Some are 8.5″ x 11″, while others are smaller. But if you’re looking to maximize your response rates, you’ll want to choose a size that suits your mailing needs. These are just a few of the most common choices.


(To direct mail for postcards, we will deliver the safely!)

8.5″ x 11″ 

One of the most common direct mail sizes is 8.5″ x 11″ or A6. These sized cards are more versatile than postcards and offer more room for creative design. This site is also more practical for postal distribution because it can be carried easily. Typically, this direct mail size can accommodate up to two offers. 

EDDM (enveloped direct mail) and oversized postcards can also be used. Both have their design requirements, including a place for a return address, logo, and stamp. 

8.5″ x 14″ 

A standard direct mail size is 8.5″ x 11″. This size is perfect for newsletters, notices, and long-form sales letters. It can also be double-sided. For larger mailings, extra-large letter sizes are available. These sizes are more visible in mailboxes and are often more effective at response rates. The right size for your mailing should complement your creativity and communicate your message effectively. There are many ways to customize a direct mail piece to optimize its design, message, and delivery. 

Postcard size is also a key element to your direct mail campaign. The right size should give your message enough space to stand out, as well as follow USPS requirements. If you are not sure what size to use for your direct mail campaign, consult the USPS guidelines. 

4″ x 6″ 

If you plan to mail direct mail to your customers, you should know the standard direct mail size. This is important to know so you can design an attractive design. You can’t always fit everything in a small postcard, but by knowing the standard direct mail size, you’ll be able to design an attractive layout. You can include your message, CTA, and offer without overflowing the space. Knowing the standard direct mail size also makes designing the artwork easier. You’ll also know where to place the address and barcode, which is a part of the USPS specification. 

Standard direct mail postcards are one of the most common sizes used by businesses. They offer great flexibility, visibility, and creativity. They’re larger than a typical postcard and have a great visual impact. In addition, these postcards can be sent as letters rather than postcards, which means they’re not subject to USPS postal rules. 


When choosing a direct mail size, consider your target audience, budget, and marketing objectives. Some sizes will deliver faster, increase response rates, or fit in mailboxes better than others. In addition, certain sizes will maximize the message and design of the mail piece. You can also experiment with the sizes and find out which ones perform the best. The following chart shows the most popular sizes and their ideal uses. This chart can help you decide which one to use. 

Postcards are one of the most commonly used direct mail sizes. This format is popular for a variety of reasons, including its versatility and flexibility. Plus, it offers more room for creativity. Postcards can be larger than the typical postcard size, giving them more visibility and higher impact. Also, this site does not require special mailing services, so you can send them as a letter as well.