Standard Direct Mail Postcard 4.25" x 5.5" QuantumPostcards Support August 01, 2014 21:44 Updated Using postcard templates can help you design your direct mail postcards. Click on the file below to download. DMPostcard_Standard_4.25x5.5_JPEG.zip 2 MB Download DMPostcard_Standard_4.25x5.pdf 100 KB Download DMPostcard_Standard_4.25x5.5.pub 1 MB Download Related articles Uploading Your Mailing List Jumbo Direct Mail Postcard 5.5" x 8.5" Standard Postcard 4.25" x 5.5" Use our Address Database