---
kind: "unit"
title: "39"
title_heading: "Postal Service"
key: "ptI"
level: "part"
label: "Part I"
heading: "General"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/39/ptI"
sections_count: 38
---

# Part I — General

Title 39 — Postal Service

## Contents

- [Chapter 1 — Postal Policy and Definitions](/usc/39/ptI-ch1.md)
- [Chapter 2 — Organization](/usc/39/ptI-ch2.md)
- [Chapter 4 — General Authority](/usc/39/ptI-ch4.md)
- [Chapter 5 — Postal Regulatory Commission](/usc/39/ptI-ch5.md)
- [Chapter 6 — Private Carriage of Letters](/usc/39/ptI-ch6.md)