---
kind: "unit"
title: "39"
title_heading: "Postal Service"
key: "chI/subchB"
level: "subchap"
label: "Subchapter B"
heading: "International Mail"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/39/chI-subchB"
sections_count: 5
---

# Subchapter B — International Mail

Title 39 C.F.R. — Postal Service › Chapter I — United States Postal Service

## Contents

- [Part 20 — International Postal Service](/cfr/39/chI-subchB-part20.md)