---
type: hub
title: "Postcard & Mailer Guides"
description: "Run direct mail that works: build or rent a mailing list, pick postcard sizes and fonts, add QR codes, and design mailers that get a response."
resource: https://www.4over4.com/guides/postcard-mailer-guides
tags: ["hub"]
generated:
  by: "process:4over4-mapp-build"
  at: 2026-10-20T01:27:00.365Z
timestamp: 2026-10-20T01:27:00.365Z
sources:
  - resource: https://www.4over4.com/guides/postcard-mailer-guides
    title: "Postcard & Mailer Guides"
status: stable
---

# Postcard & Mailer Guides

Run direct mail that works: build or rent a mailing list, pick postcard sizes and fonts, add QR codes, and design mailers that get a response.

- [Apparel Merch Guides](https://www.4over4.com/guides/apparel-merch-guides)
- [Banner Sign Guides](https://www.4over4.com/guides/banner-sign-guides)
- [Brochure Guides](https://www.4over4.com/guides/brochure-guides)
- [Business Applications](https://www.4over4.com/guides/business-applications)
- [Calendar Notebook Guides](https://www.4over4.com/guides/calendar-notebook-guides)
- [Color Guides](https://www.4over4.com/guides/color-guides)
- [Comparisons Reviews](https://www.4over4.com/guides/comparisons-reviews)
- [Design Process Guides](https://www.4over4.com/guides/design-process-guides)
- [Design Software Guides](https://www.4over4.com/guides/design-software-guides)
- [Dimensions Templates](https://www.4over4.com/guides/dimensions-templates)
- [File Prep Guides](https://www.4over4.com/guides/file-prep-guides)
- [Finishes Guides](https://www.4over4.com/guides/finishes-guides)
- [Finishes Techniques](https://www.4over4.com/guides/finishes-techniques)
- [Flyer Guides](https://www.4over4.com/guides/flyer-guides)
- [Invitation Card Guides](https://www.4over4.com/guides/invitation-card-guides)
- [Layout File Setup](https://www.4over4.com/guides/layout-file-setup)
- [Logo Branding Guides](https://www.4over4.com/guides/logo-branding-guides)
- [Marketing Strategy Guides](https://www.4over4.com/guides/marketing-strategy-guides)
- [Packaging Guides](https://www.4over4.com/guides/packaging-guides)
- [Paper Stock Guides](https://www.4over4.com/guides/paper-stock-guides)
- [Postcard Mailer Guides](https://www.4over4.com/guides/postcard-mailer-guides)
- [Pricing Cost](https://www.4over4.com/guides/pricing-cost)
- [Printing Basics Guides](https://www.4over4.com/guides/printing-basics-guides)
- [Product Explainers](https://www.4over4.com/guides/product-explainers)
- [Rules Regulations](https://www.4over4.com/guides/rules-regulations)
- [Shipping Postage](https://www.4over4.com/guides/shipping-postage)
- [Step By Step Creation](https://www.4over4.com/guides/step-by-step-creation)
- [Sticker Label Guides](https://www.4over4.com/guides/sticker-label-guides)
- [Stock Substrate Selection](https://www.4over4.com/guides/stock-substrate-selection)
- [Wording Messaging](https://www.4over4.com/guides/wording-messaging)

## Setting Up a Postcard for Mailing

To set up a postcard for mailing, choose one of the mailing sizes, print the offer side in full color, and lay out the back by the addressing rules before you upload. [Direct Mail Postcards](https://www.4over4.com/product/direct-mail-postcards) come in nine sizes from 4 x 6 to 6 x 11 inches on 14pt or 16pt gloss, matte/silk or UV-front stock, from 500 for $89.68 with a 4 business day turnaround, and 4OVER4.COM is CASS certified for direct mail. The back layout is covered in [how to address a postcard](https://www.4over4.com/guide/how-to-address-a-postcard-correctly-for-mailing).

## Latest Postcard Mailer Guides

### [How to Build or Rent a Mailing List for Direct Mail](https://www.4over4.com/guide/how-to-build-or-rent-a-mailing-list-for-direct-mail)

How to build or rent a mailing list for direct mail, comparing renting, buying and building, targeting the right audience and checking data quality first.

### [Types of Direct Mail Advertising](https://www.4over4.com/guide/types-of-direct-mail-advertising-the-definitive-guide)

Types of direct mail advertising compared, from postcards, letters and brochures to self mailers, flyers and EDDM, to pick the format your campaign needs.

### [How to Add a QR Code to Your Postcards](https://www.4over4.com/guide/how-to-add-a-qr-code-to-your-postcards)

How to add a QR code to your postcards, from what to link and a size of at least 0.8 inches to print safe file setup and scan tracking, all at 4OVER4.COM.

### [Best Postcard Fonts and How to Choose Them](https://www.4over4.com/guide/best-postcard-fonts-and-how-to-choose-them)

A seven step method for choosing postcard fonts that read at arm’s length, with point sizes for a 4x6 card and how the Greetings From lettering is built.

### [5 Quick Steps to Send Direct Mail Postcards](https://www.4over4.com/guide/5-quick-steps-to-send-direct-mail-postcards)

Send direct mail postcards in 5 quick steps: set a goal and offer, design the card, build a clean list, address and sort, and choose a postage rate.

### [How to 4X Your Direct Mail Results](https://www.4over4.com/guide/how-to-4x-your-direct-mail-results)

How to 4X your direct mail results with five tactics: mail more volume, tighten your list, retarget visitors, add Google ads, and mail the list again.

## All Postcard Mailer Guides

### [How to Create Newsletters for Direct Mail](https://www.4over4.com/guide/how-to-create-newsletters-for-direct-mail)

Plan, design and print a direct mail newsletter that lands in the mailbox and gets read, with sizes, stocks, costs and mailing options from 4OVER4.COM.

### [A Guide to Pairing Postcards and Envelope Sizes](https://www.4over4.com/guide/a-guide-to-pairing-postcards-and-envelope-sizes)

Pair every standard postcard size with the right envelope, with A2, A6, A7 and A9 matches, the USPS size rules and a clear postcard to envelope chart.

### [Postcards vs Greeting Cards, Which Should You Print?](https://www.4over4.com/guide/postcards-vs-greeting-cards)

Choose between postcards and greeting cards by format, postage, cost and use case, then print either one at 4OVER4.COM with premium stocks and finishes.

### [How to Address a Postcard for Fast, Error-Free Delivery](https://www.4over4.com/guide/how-to-address-a-postcard-correctly-for-mailing)

Where the return address, stamp and recipient address go on a postcard, with the exact USPS layout, all caps rules and the clear barcode zone below.

### [How to Address Save-the-Date Postcards](https://www.4over4.com/guide/how-to-address-save-the-date-postcards)

Address save-the-date postcards the right way: guest names and titles, the address layout, return address and stamp placement, plus wording examples.

### [What Is EDDM? Meaning, Cost & USPS Rules](https://www.4over4.com/guide/what-is-every-door-direct-mail-eddm)

EDDM (Every Door Direct Mail) is the USPS no list way to mail a printed piece to every home on a route, so see what it costs and the postage rules.

### [Church Postcard Marketing That Grows Sunday Attendance](https://www.4over4.com/guide/church-postcard-marketing-how-to-grow-attendance)

Plan a church postcard mailing that fills seats: what to say, when to drop it, which list to use, the USPS size that costs least and how to count.

### [Creative Postcard Printing Options From Perforation to Foil](https://www.4over4.com/guide/creative-postcard-printing-options-perforation-finishes-and-more)

Perforated coupons, die cuts, foil, spot UV, oversized formats and stock choices for postcards, with the postage and file trade off behind each one.

### [Direct Mail Delivery Options for Political Mailings and Business Campaigns](https://www.4over4.com/guide/direct-mail-delivery-options-explained-for-political-mailings-and-more)

EDDM, targeted lists, First-Class and USPS Marketing Mail compared, plus the Tag 57 and disclaimer rules that decide how a political mailer drops.

### [Direct Mail Design Best Practices That Lift Response Rates](https://www.4over4.com/guide/direct-mail-design-best-practices)

Direct mail design rules that lift response: one offer per piece, a readable address panel, the USPS clear zones, and trim sizes set by postage tier.

### [Direct Mail for Political Campaigns That Actually Reaches Voters](https://www.4over4.com/guide/direct-mail-for-political-campaigns)

How campaigns run political direct mail: voter file lists versus EDDM, paid for disclaimer rules, four wave timing, and the specs and prices per drop.

### [Direct to Door Mailing Explained, From EDDM Routes to Door Hangers](https://www.4over4.com/guide/direct-to-door-mailing-explained)

Direct to door mailing compared: EDDM carrier routes, addressed lists and hand delivered door hangers, with the size rule, mailbox law and print costs.

A mailer pulls a response when the size, the list and the offer line up, and one weak link sinks it. These guides cover building or renting a mailing list, EDDM rules, adding a QR code, and the postcard formats from 4 x 6 to 6 x 11 inches that clear USPS and get opened.

## Postcard Sizes, Stocks and Runs for Mail

Standard [Postcards](https://www.4over4.com/product/postcards) start at 50 for $16.48 in 14 sizes from 2.5 x 2.5 to 6 x 11 inches, on 22 stocks with 4/0, 4/1 or 4/4 printing and a 3 business day turnaround. The price per card falls as the run grows: 500 cost $51.62 and 1,000 cost $86.78. For a bigger panel in the mailbox, [Oversized Postcards](https://www.4over4.com/product/oversized-postcards) come in 5.5 x 8.5, 6 x 8, 6 x 9 and 6 x 11 inches, from 50 for $51.62.

Work in this order: get the list, pick the size, design the card with a tracked QR code, print, then mail. [How to build or rent a mailing list](https://www.4over4.com/guide/how-to-build-or-rent-a-mailing-list-for-direct-mail) covers the first step and [5 quick steps to send direct mail postcards](https://www.4over4.com/guide/5-quick-steps-to-send-direct-mail-postcards) covers the rest.
