Most Common Direct Mail Postcard Sizes?

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Last Updated on July 31, 2024 by Carlos Alonso

Did you know that postcards are one of the most effective forms of direct mail marketing? They have an average response rate of 5.7%, compared to email’s 0.6% and online display ads’ 0.2%.

When it comes to direct mail campaigns, choosing the right postcard size can significantly impact the success of your marketing efforts. Factors such as postage rates, practical dimensions, and standard postcard sizes all play a role in maximizing the effectiveness of your direct mail campaign.

This article will explore the most common direct mail postcard sizes and provide a comprehensive guide to choosing the correct dimensions for your mailing. Whether you are looking for a cost-effective option or aiming to make a bold statement, understanding the different postcard sizes will help you create a successful direct mail campaign that captures your audience’s attention.

The Role of Direct Mail in Modern Marketing

Direct mail has been proven to have high response rates, making it a valuable tool for companies to connect with their target audience. Unlike digital marketing strategies, direct mail provides consumers a tangible and personalized experience. By delivering physical materials directly to their mailboxes, businesses can create a sense of trust and credibility with their customers.

Direct mail also allows companies to target specific demographics. By carefully selecting their mailing lists, businesses can reach the right audience with their marketing message. This targeted approach ensures that the marketing materials are received by individuals most likely interested in the promoted product or service.

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Direct Mail Sizes: A Comprehensive Guide

It is crucial to consider the various sizes and dimensions available for different direct mail formats in order to effectively plan and execute a direct mail campaign. This comprehensive guide provides an overview of plain mail sizes, including postcards, letters, catalogs, and envelopes, along with their specific dimensions and considerations.

Postcard Dimensions

Postcards are popular for direct mail marketing due to their affordability and versatility. They are available in a range of sizes to suit different campaign objectives:

  • Small postcards: 4″ x 6″ Dimensions make them compact and cost-effective.
  • Standard postcards: Sized at 6″ x 9″, they balance visibility and cost well.
  • Jumbo postcards: Measuring 6″ x 11″, they provide more space for impactful visuals and messaging.
  • Extra oversized postcards: With 9″ x 12″ dimensions, they make a bold statement and command attention.

By choosing the right postcard size, you can effectively convey your message and maximize the impact of your direct mail campaign.

Smaller Postcards: Benefits and Best Practicescbb12452c605e5675da1c9800cf2712764961b25bd15757023cdf559e85b2cea

Benefits of 4″ x 6″ Size

Smaller postcards, like the popular 4″ x 6″ size, offer numerous benefits for direct mail campaigns. These compact dimensions provide a cost-effective solution for businesses seeking to effectively reach their target audience. Here are the key advantages:

  • Cost-effective: Smaller postcards require less printing material and postage, making them an affordable choice for direct mail marketing.
  • Easy to design and print: With smaller dimensions, designing and printing smaller postcards is straightforward, ensuring a quick turnaround time for your campaign.
  • Quick delivery: Smaller postcards can be sent via first-class mail, ensuring prompt delivery to recipients.

5 x 7 a Happy Medium between size and cost

The 5″ x 7″ postcard size offers a happy medium for those looking for a slightly larger format without compromising affordability. You can use additional design space with these dimensions while maintaining reasonable postage rates. This size allows for more creativity and impactful visuals, ensuring your message stands out. The 5″ x 7″ postcard size is perfect for showcasing product images, event details, or promotional offers in a larger, more eye-catching format. You can include more text, graphics, and even a call-to-action without overcrowding the design. This site is also great for showcasing photography or artwork, making it ideal for artists, photographers, or creatives looking to make a statement with their marketing materials. The 5″ x 7″ postcard size is versatile and can be used for various purposes, such as direct mail campaigns, event invitations, promotional mailers, or thank-you notes. It can also be easily distributed at trade shows, conferences, or events, making it a versatile marketing tool for businesses of all sizes.


The 5″ x 7″ postcard size offers visibility, affordability, and design flexibility. Whether you want to promote your business, event, or personal brand, this size will make a lasting impression on your audience. 

Navigating Postage Rates and Delivery Options

When utilizing smaller postcards for your direct mail campaign, it’s crucial to understand postage rates and delivery options to ensure cost-effectiveness and efficiency. The United States Postal Service (USPS) offers a variety of mailing options, including First Class, Standard Class, and Door Direct Mail (EDDM). By selecting the appropriate mailing option based on your campaign’s needs, you can optimize the delivery process and avoid unnecessary costs.

Postage RateDelivery Option
First ClassFast and reliable delivery, ideal for time-sensitive campaigns
Standard ClassCost-effective option for non-urgent mailings
Every Door Direct Mail (EDDM)Target specific geographic areas without the need for individual addresses

By understanding the postage rates and delivery options available, you can optimize your direct mail campaign and ensure your message reaches the intended recipients timely and effective.

Standard Postcards: The Popular Choice for Campaigns

Standard postcards with 6″ x 9″ dimensions are popular for direct mail campaigns. Compared to smaller postcards, they offer more design space and visibility. Designing for 6″ x 9″ dimensions allows for impactful visuals, clear messaging, and concise calls to action. Standard postcards are versatile and can be used for various marketing purposes, such as product promotions, event announcements, or brand awareness. Their larger size also makes them stand out in mailboxes, increasing the chances of consumer engagement and response.

Visibility and Versatility of Standard Postcards

With their larger size, standard postcards have better visibility in mailboxes than their miniature counterparts. They stand out among other mail pieces, immediately grabbing the recipient’s attention. The increased visibility increases the likelihood of the postcard being read and responded to, ultimately driving engagement and conversions for the direct mail campaign.

Moreover, standard postcards are versatile marketing tools that can be used for various purposes. They can be designed for product promotions, showcasing new services, announcing upcoming sales, or inviting customers to special events. The larger size allows businesses to include more information and visuals, making the postcard more informative and engaging. This versatility makes standard postcards practical for different marketing goals and strategies.

To make the most of standard postcards, creating a compelling call to action is essential. Encourage recipients to take the desired action, such as visiting a website, purchasing, or subscribing to a newsletter. Including time-limited offers or exclusive discounts can create a sense of urgency and drive immediate response. By combining design creativity, impactful messaging, and compelling calls to action, businesses can maximize the results of their standard postcard direct mail marketing campaigns.

Jumbo Postcards: Making a Bigger Impact

Jumbo postcards, measuring 6″ x 11″, offer an even larger canvas for direct mail advertising. With more space, businesses can maximize their messaging, visuals, and branding. The larger size of jumbo postcards allows for more detailed product descriptions, impactful images, and interactive elements.

Businesses can leverage the jumbo postcard format to create compelling, attention-grabbing designs that make a lasting impression on recipients. The extra space allows for additional promotional details, such as special offers, testimonials, and call-to-action statements, which can effectively engage customers and drive responses.

When designing jumbo postcards, it’s essential to consider the layout and visual hierarchy to optimize the use of space. Utilize striking visuals, bold headlines, and concise copy to captivate the recipient and deliver a clear message. Incorporating interactive elements like QR codes or augmented reality features can also enhance customer engagement and provide a memorable experience.

However, businesses should conduct a cost-benefit analysis before opting for larger postcard sizes. Jumbo postcards may have higher production and postage costs compared to smaller postcards. It’s essential to assess the potential return on investment and consider the overall budget for the direct mail campaign.

By strategically utilizing jumbo postcards, businesses can make a bigger impact with their direct mail campaigns. Jumbo postcards effectively capture the attention of recipients and drive desired actions. The ample space offered by jumbo postcards presents an opportunity for creative and personalized marketing that can leave a lasting impression on customers.

The Extra Large Postcard: Significant Presence in the Mail

Extra oversized postcards, measuring 9″ x 12″, offer a significant presence in mailboxes. Their size commands attention and makes a bold statement. Catdi is a full-service printing and direct mail provider. We specialize in producing high-quality, oversized postcards that are perfect for catching the eye of your target audience.

These extra-large postcards are often used for high-impact promotions, such as product launches, special offers, or event invitations. Their larger size provides ample space for creative design, compelling imagery, and detailed messaging. With their significant presence, extra-large postcards are sure to make a lasting impression on recipients.

However, it’s essential to consider the production and postage costs associated with oversized postcards. The larger size may require additional materials and printing expenses. Additionally, postage rates for extra-oversized postcards may differ from standard sizes. It’s essential to factor these costs into your budget when planning your direct mail campaign.

At Catdi, we understand the importance of aligning your marketing goals with the right direct mail strategy. Our experienced team can assist you in choosing the best size, design, and mailing options to create a memorable and impactful campaign. Contact us today to discuss how our extra-oversized postcards can help you stand out and achieve your marketing objectives.

Choosing the Right Size for Your Mailing

When planning a direct mail campaign, selecting the size for your mailing materials is essential for achieving your marketing goals. The size of your postcards can significantly impact the effectiveness of your campaign, influencing factors such as cost, visual appeal, and customer engagement. You can make informed decisions about the most effective postcard dimensions by considering your target audience, budget, and desired response rates.

Matching Direct Mail Size with Marketing Goals

One key factor to consider when choosing the right size for your mailing is how it aligns with your marketing goals. Smaller postcards, such as the commonly used 4.25″ x 6″ size, are often more cost effective and efficient for specific campaigns. They are ideal when you have a limited budget and want to target a broad audience. On the other hand, more oversized postcards, like jumbo or extra large sizes, offer more impact and visual appeal, making them suitable for promoting high-end products or services.

By matching the size of your direct mail materials with your marketing goals, you can create a cohesive campaign that effectively communicates your message and engages your target audience.

Tips for Selecting the Most Effective Postcard Dimensions

To ensure the effectiveness of your direct mail campaign, consider the following tips when selecting postcard dimensions:

  • Know your audience: Understand your target audience’s preferences and expectations. Consider their demographics, lifestyle, and purchasing behavior to determine the size best for their attention.
  • Budget considerations: Evaluate your budget and determine the size that offers the best balance between cost and impact. Smaller postcards are generally more cost-effective, while larger sizes may require more investment.
  • Message content: Assess the content of your message and consider how it will fit on different postcard sizes. Ensure the dimensions allow for legible text, appealing visuals, and a clear call to action.
  • Testing and tracking: Conduct A/B testing with different postcard sizes to measure your campaign’s response rates and overall success. Use these insights to refine your strategy and improve future mailings.
  • Direct mail best practices: Follow industry best practices for direct mail, such as using high-quality images, personalized content, and attention-grabbing headlines. Incorporating these practices will enhance the effectiveness of your postcards, regardless of their size.

By implementing these tips, you can select postcard dimensions that maximize the impact of your direct mail campaign, leading to higher response rates and a greater return on investment.

FAQ

What are the most common direct mail postcard sizes?

The most common direct mail postcard sizes are 4″ x 6″, 5″ x 7″, 6″ x 9″, 6″ x 11″, and 9″ x 12″.

Why is direct mail still important in modern marketing?

Direct mail plays a vital role in reaching and engaging target audiences. It has high response rates, provides tangible and personalized content, and allows for targeting specific demographics.

What are the benefits of using smaller postcards (4″ x 6″) in direct mail campaigns?

Smaller postcards are cost-effective, easy to design and print, and can be quickly delivered via first-class mail.

Why is the 5″ x 7″ postcard size a happy medium between size and cost?

The 5″ x 7″ postcard size allows for more design creativity while maintaining affordable postage rates.

What should businesses consider when navigating small postcard postage rates and delivery options?

Businesses should understand postage rates and delivery options to ensure timely and efficient delivery.

What are the advantages of using standard postcards (6″ x 9″) in direct mail campaigns?

Standard postcards offer more design space and visibility, allowing for impactful visuals, clear messaging, and concise calls to action.

How can businesses maximize the impact of jumbo postcards (6″ x 11″) in direct mail advertising?

With more space available, businesses can maximize messaging, visuals, and branding on jumbo postcards, but they need to consider the cost-benefit of larger postcard sizes.

What is the significance of using extra oversized postcards (9″ x 12″) in direct mail campaigns?

Extra oversized postcards command attention and make a bold statement, often used for high-impact promotions and special offers.

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Carlos Alonso - I Love Everything Print!

Contrary to popular belief, I wasn't born in a vat of magenta ink. Hope you enjoy the content on Catdi Printing! Not all articles are created equal—the quality of writing depends on how much caffeine I had that day. As the owner of Catdi Printing, I'm here to help big and small businesses grow with effective print marketing. I look forward to working with you and helping you enhance your marketing skills and knowledge. Let's chat! Carlos