---
type: faq
title: "What is the minimum thickness postcard the Post Office will accept?"
description: "Just as the post office caps how thick a postcard can be, it also sets a floor so the piece is sturdy enough to travel. According to the USPS, the minimum"
resource: https://www.4over4.com/faqs/marketing-materials/what-is-the-minimum-thickness-postcard-the-post-office-will-accept
tags: ["Marketing Materials", "faq"]
timestamp: 2026-07-20T18:54:40.856Z
---

# What is the minimum thickness postcard the Post Office will accept?

Just as the post office caps how thick a postcard can be, it also sets a floor so the piece is sturdy enough to travel. According to the USPS, the minimum

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

- Page type: faq
- Hub: Marketing Materials
- URL: https://www.4over4.com/faqs/marketing-materials/what-is-the-minimum-thickness-postcard-the-post-office-will-accept