--- type: faq-hub title: "Postcards" description: "Postcard FAQ: lenticular trends, mailer stocks, sizes and postage, plus how to pick a style that survives the mailbox." resource: https://www.4over4.com/faqs/postcards tags: ["faq-hub"] generated: by: "process:4over4-mapp-build" at: 2026-10-20T21:15:07.572Z timestamp: 2026-10-20T21:15:07.572Z sources: - resource: https://www.4over4.com/faqs/postcards title: "Postcards" status: stable --- # Postcards Postcard FAQ: lenticular trends, mailer stocks, sizes and postage, plus how to pick a style that survives the mailbox. 54 answers about postcards. - [How do I prepare artwork for a lenticular postcard?](https://www.4over4.com/faqs/postcards/what-are-the-best-practices-for-3d-lenticular-postcard-trends) - [Which lenticular effect should I use on a postcard?](https://www.4over4.com/faqs/postcards/how-do-i-choose-the-right-3d-lenticular-postcard-style) - [Why do lenticular postcards cost more than standard ones?](https://www.4over4.com/faqs/postcards/how-much-should-i-budget-for-3d-lenticular-postcard-trends) - [What paper stock works best for postcard mailers?](https://www.4over4.com/faqs/postcards/what-paper-stock-works-best-for-postcard-mailers) - [Is offset printing good for specialty items like postcards or folders?](https://www.4over4.com/faqs/postcards/is-offset-printing-good-for-specialty-items-like-postcards-or-folders) - [What is the difference between standard and premium postcards?](https://www.4over4.com/faqs/postcards/what-is-the-difference-between-standard-and-premium-postcards) - [What size postcard is cheapest to mail through USPS?](https://www.4over4.com/faqs/postcards/what-size-postcard-is-cheapest-to-mail-through-usps) - [Which side of a postcard do you write the address on?](https://www.4over4.com/faqs/postcards/which-side-of-a-postcard-do-you-write-the-address-on) - [Should I use cursive or print when addressing a postcard by hand?](https://www.4over4.com/faqs/postcards/should-i-use-cursive-or-print-when-addressing-a-postcard-by-hand) - [How do I address a postcard to another country?](https://www.4over4.com/faqs/postcards/how-do-i-address-a-postcard-to-another-country) - [What's the difference between gloss and matte finish on postcards?](https://www.4over4.com/faqs/postcards/what-s-the-difference-between-gloss-and-matte-finish-on-postcards) - [What is the minimum size for an EDDM postcard?](https://www.4over4.com/faqs/postcards/what-is-the-minimum-size-for-an-eddm-postcard) - [What is the maximum size allowed for EDDM postcards?](https://www.4over4.com/faqs/postcards/what-is-the-maximum-size-allowed-for-eddm-postcards) - [Can I use a 4" × 6" postcard for EDDM?](https://www.4over4.com/faqs/postcards/can-i-use-a-4-6-postcard-for-eddm) - [Does EDDM postcard size affect postage cost?](https://www.4over4.com/faqs/postcards/does-eddm-postcard-size-affect-postage-cost) - [Do I need to add bleed to my EDDM postcard file?](https://www.4over4.com/faqs/postcards/do-i-need-to-add-bleed-to-my-eddm-postcard-file) - [Which EDDM postcard size gets the best response rate?](https://www.4over4.com/faqs/postcards/which-eddm-postcard-size-gets-the-best-response-rate) - [Can I use a square postcard for EDDM?](https://www.4over4.com/faqs/postcards/can-i-use-a-square-postcard-for-eddm) - [What paper weight should I use for postcards?](https://www.4over4.com/faqs/postcards/what-paper-weight-should-i-use-for-postcards) - [Can I mail a 5x7 postcard at the postcard rate?](https://www.4over4.com/faqs/postcards/can-i-mail-a-5x7-postcard-at-the-postcard-rate) - [What paper thickness qualifies for USPS postcard mailing?](https://www.4over4.com/faqs/postcards/what-paper-thickness-qualifies-for-usps-postcard-mailing) - [What's the best postcard size for a direct mail marketing campaign?](https://www.4over4.com/faqs/postcards/what-s-the-best-postcard-size-for-a-direct-mail-marketing-campaign) - [Can I use a regular Forever stamp on a postcard?](https://www.4over4.com/faqs/postcards/can-i-use-a-regular-forever-stamp-on-a-postcard) - [What happens if my postcard is slightly oversized?](https://www.4over4.com/faqs/postcards/what-happens-if-my-postcard-is-slightly-oversized) ## Didn't find your answer? Our team replies within 24 hours. [Submit a ticket](https://www.4over4.com/company/contact)