---
type: guide
title: "What Each Postcard Size Costs to Mail by USPS Rate Tier"
description: "Every standard postcard size and the USPS rate each one hits: 4x6, 5x7, 6x9, 6x11. Order the right size and mail it with 4OVER4."
resource: https://www.4over4.com/guide/postcard-postage-cost-by-size-and-usps-rate-tier
tags: ["guide"]
timestamp: 2026-08-08T21:25:50.722Z
---

# What Each Postcard Size Costs to Mail by USPS Rate Tier

Every standard postcard size and the USPS rate each one hits: 4x6, 5x7, 6x9, 6x11. Order the right size and mail it with 4OVER4.

See [all guide concepts](index.md).

- Page type: guide
- URL: https://www.4over4.com/guide/postcard-postage-cost-by-size-and-usps-rate-tier