---
type: faq
title: "What are the dimension requirements for EDDM mailings?"
description: "Every Door Direct Mail (EDDM) pieces have to meet USPS size rules to qualify for the retail rate. Larger flat mailers are the sweet spot, and a common work"
resource: https://www.4over4.com/faqs/material/what-are-the-dimension-requirements-for-eddm-mailings
tags: ["Material", "faq"]
timestamp: 2026-07-20T18:54:40.856Z
---

# What are the dimension requirements for EDDM mailings?

Every Door Direct Mail (EDDM) pieces have to meet USPS size rules to qualify for the retail rate. Larger flat mailers are the sweet spot, and a common work

Part of the **Material** hub. See [all faq concepts](index.md).

- Page type: faq
- Hub: Material
- URL: https://www.4over4.com/faqs/material/what-are-the-dimension-requirements-for-eddm-mailings