---
type: guide
title: "Envelope Labels Explained and How to Size Them for Any Mailing"
description: "What an envelope label is, which label size fits a #10 or A7, when a printed envelope beats a label, and the two USPS zones a label must never cover."
resource: https://www.4over4.com/guide/envelope-labels-explained
tags: ["guide"]
generated:
  by: "process:4over4-mapp-build"
  at: 2026-09-08T01:19:44.025Z
timestamp: 2026-09-08T01:19:44.025Z
sources:
  - resource: https://www.4over4.com/guide/envelope-labels-explained
    title: "Envelope Labels Explained and How to Size Them for Any Mailing"
status: stable
---

# Envelope Labels Explained and How to Size Them for Any Mailing

What an envelope label is, which label size fits a #10 or A7, when a printed envelope beats a label, and the two USPS zones a label must never cover.

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

- Page type: guide
- URL: https://www.4over4.com/guide/envelope-labels-explained