---
kind: "unit"
title: "33"
title_heading: "Navigation and Navigable Waters"
key: "chI/subchA/part3"
level: "part"
label: "Part 3"
heading: "Coast Guard Areas, Districts, Sectors, Marine Inspection Zones, and Captain of the Port Zones"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/33/chI-subchA-part3"
sections_count: 51
---

# Part 3 — Coast Guard Areas, Districts, Sectors, Marine Inspection Zones, and Captain of the Port Zones

Title 33 C.F.R. — Navigation and Navigable Waters › Chapter I — Coast Guard, Department of Homeland Security › Subchapter A — General

## Contents

- [Subpart 3.01 — General Provisions](/cfr/33/chI-subchA-part3-subpart3.01.md)
- [Subpart 3.04 — Coast Guard Areas](/cfr/33/chI-subchA-part3-subpart3.04.md)
- [Subpart 3.05 — USCG Northeast District](/cfr/33/chI-subchA-part3-subpart3.05.md)
- [Subpart 3.25 — USCG East District](/cfr/33/chI-subchA-part3-subpart3.25.md)
- [Subpart 3.35 — USCG Southeast District](/cfr/33/chI-subchA-part3-subpart3.35.md)
- [Subpart 3.40 — USCG Heartland District](/cfr/33/chI-subchA-part3-subpart3.40.md)
- [Subpart 3.45 — USCG Great Lakes District](/cfr/33/chI-subchA-part3-subpart3.45.md)
- [Subpart 3.55 — USCG Southwest District](/cfr/33/chI-subchA-part3-subpart3.55.md)
- [Subpart 3.65 — USCG Northwest District](/cfr/33/chI-subchA-part3-subpart3.65.md)
- [Subpart 3.70 — USCG Oceania District](/cfr/33/chI-subchA-part3-subpart3.70.md)
- [Subpart 3.85 — USCG Arctic District](/cfr/33/chI-subchA-part3-subpart3.85.md)