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How Postcard Mailing Works

Written by UPrinting - Updated on June 12, 2025

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Even in today’s digital age, postcard mailing still remains a powerful tool for small to medium-sized businesses (SMBs) looking to engage customers and promote their offerings. This article provides a comprehensive guide on how postcard mailing works, including best practices, regulations, and cost considerations.

 

How to Mail Postcards Using EDDM

Every Door Direct Mail (EDDM) is a straightforward and effective way to reach potential customers without needing a mailing list. Here’s a step-by-step guide to help you navigate the process:

 

1. Select your target area. Use the USPS online tool to choose specific routes based on demographics or geographic areas. This allows you to hone in on neighborhoods that align with your business.

2. Design your postcard. Create an eye-catching postcard that conveys your message clearly. Ensure your design adheres to USPS guidelines for size and layout.

3. Prepare your postcards. Once your design is finalized, print your postcards. Ensure they meet all required specifications, such as size and thickness.

4. Submit your postcards to USPS. Bring your postcards to your local USPS facility. Complete any necessary paperwork for EDDM and pay for your postage.

5. Delivery: After processing, your postcards will be delivered to all households on the selected routes, maximizing your postcard advertising reach.

 

You can also use online printers, such as UPrinting, that offer full service EDDM to simplify the process. You can manage everything directly from our website: choose your delivery dates and routes, upload your design, and finalize your order with all costs for postcards, service fees, and postage included. We take care of the printing, processing, and delivery to the post office, allowing you to send as many postcards as you want without any restrictions.

 

USPS Requirements for Mailing Postcards

To ensure your postcards are eligible for mailing, you need to know the specific requirements set by the USPS.

 

  • Size – Minimum size is 3.5” x 5” and maximum size is 6” x 11”.
  • Thickness – The postcards must be at least 0.007” thick.
  • Weight – Postcards must not exceed 4.0 ounces.
  • Design Elements – Include a return address and postal indicia on the front to ensure proper delivery.

 

Where to Get Mailing Lists for Direct Mailing

 

  • Public Records – Local business registrations and voter registrations can provide valuable demographic information for building your list.
  • Customer Databases – Use data from existing customers to create a targeted mailing list based on purchasing behavior or engagement.
  • Data Providers – Consider purchasing mailing lists from reputable companies like InfoUSA or Experian, which can offer segmented lists tailored to your marketing goals.

Postcard Mailing Regulations You Should Know

 

  • Advertising Compliance – Ensure that your postcards comply with all advertising regulations, including truthful representation of products or services.
  • Addressing Standards – Follow proper addressing formats, including the use of delivery points and barcodes to ensure efficient processing.
  • Content Restrictions – Avoid using prohibited content, such as misleading or deceptive information, to maintain the integrity of your postcard marketing efforts.

Difference Between EDDM and Direct Mailing

Both EDDM and traditional direct mailing serve as valuable tools in your marketing arsenal, but they operate differently.

 

  • EDDM (Every Door Direct Mail) – A service that allows businesses to send postcards to specific geographic areas without needing a mailing list. Ideal for broad outreach to local neighborhoods.
  • Direct Mailing – Involves sending postcards to a specific list of individuals or businesses. This method requires a targeted mailing list, allowing for more personalized marketing efforts. Interested in direct mailing? Check out our 79 Direct Mail Statistics for more information.

How Much Does Postcard Mailing Cost?

Postcard mailing costs have evolved over time as expected. Understanding the costs associated with postcard mailing is crucial for effective budget management. Here’s a breakdown of the key cost components:

 

  • Printing Costs: Vary depending on the quantity ordered, the complexity of your design, and the quality of the paper used.
  • Postage: EDDM rates are generally lower than traditional postage rates, making it a cost-effective option for mass mailing.
  • Additional Costs: Factor in design costs, mailing list acquisition fees, and any potential fees from marketing agencies if you choose to outsource your campaign.

What Are the Available Postcard Sizes for Mailing?

Choosing the right postcard size can significantly influence your marketing success. Here are the standard sizes and custom options:

 

  • Standard Sizes: Common postcard sizes include 4” x 6”, 5” x 7”, and 6” x 11”. These sizes are widely recognized and fit USPS requirements. For further guidance, read our Standard Postcard Size Printing Guide.
  • Custom Sizes: Depending on your marketing strategy, custom sizes can be utilized, but ensure they meet the USPS mailing specifications to avoid additional fees.

 

Postcard mailing can be an effective addition to your marketing strategy when executed correctly. By understanding the requirements, regulations, and costs involved, SMBs and marketing professionals can leverage postcard mailing to reach their target audience effectively.

 

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