---
type: help
title: "Do your postcards meet US Postal Service mailing standards?"
description: "Yes, 4OVER4 postcards are built to meet US Postal Service mailing standards, including the mailing panel and address space requirements. Card sizes and sto"
resource: https://www.4over4.com/help/marketing-materials/do-your-postcards-meet-us-postal-service-mailing-standards
tags: ["Products", "help"]
timestamp: 2026-07-20T18:54:40.856Z
---

# Do your postcards meet US Postal Service mailing standards?

Yes, 4OVER4 postcards are built to meet US Postal Service mailing standards, including the mailing panel and address space requirements. Card sizes and sto

Part of the **Products** hub. See [all help concepts](index.md).

- Page type: help
- Hub: Products
- URL: https://www.4over4.com/help/marketing-materials/do-your-postcards-meet-us-postal-service-mailing-standards