How to Design a Postcard for EDDM: Complete Guide
Designing a postcard for EDDM requires more than attractive graphics. USPS has specific requirements for size, indicia placement, and address block positioning that must be followed exactly, or your mailing will be rejected at the post office. The good news is that once you understand these requirements, designing an effective EDDM postcard is straightforward.
This guide walks you through every design specification you need, from initial file setup to final print-ready export. Whether you are designing in Adobe InDesign, Illustrator, Canva, or any other tool, these principles apply universally.
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Step 1: Choose Your Size and Set Up Your File
Before you start designing, you need to choose an EDDM-qualifying postcard size and set up your design file correctly. EDDM mailpieces must meet specific USPS size requirements to qualify for the discounted $0.26 postage rate.
Popular EDDM Design Sizes
| Finished Size | Design File Size (with bleed) | Best For |
|---|---|---|
| 6.5" x 9" | 6.75" x 9.25" | Coupons, promotions, simple offers |
| 8.5" x 11" | 8.75" x 11.25" | Menus, service lists, detailed info |
| 9" x 12" | 9.25" x 12.25" | Real estate, high-impact visuals |
| 6.125" x 11" | 6.375" x 11.25" | Budget campaigns, minimum qualifying |
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