---
title: "US port code 3304: Great Falls, Montana · Adhoc"
description: "3304 is the US port of exit code for Great Falls, Montana on Canadian customs declarations."
canonical: "https://www.adhocs.ca/us-ports-of-exit/3304"
last_updated: 2026-07-27
---

# 3304 Great Falls, Montana US port of exit

US port of exit · Port of entry

3304 is the US code for the port of Great Falls, Montana. A Canadian declaration uses it when goods left the United States through Great Falls.

- **Port code:** 3304
- **Port:** Great Falls
- **State:** [Montana](https://www.adhocs.ca/us-ports-of-exit/montana)
- **CBP district:** Great Falls, MT
- **Kind:** Port of entry

## Other US ports in Montana

- [3301](https://www.adhocs.ca/us-ports-of-exit/3301) Raymond (faces 0607)
- [3305](https://www.adhocs.ca/us-ports-of-exit/3305) Butte (Port of entry)
- [3306](https://www.adhocs.ca/us-ports-of-exit/3306) Turner (faces 0619)
- [3309](https://www.adhocs.ca/us-ports-of-exit/3309) Scobey (faces 0615)
- [3310](https://www.adhocs.ca/us-ports-of-exit/3310) Sweetgrass (faces 0705)
- [3316](https://www.adhocs.ca/us-ports-of-exit/3316) Piegan (faces 0707)
- [3317](https://www.adhocs.ca/us-ports-of-exit/3317) Opheim (faces 0618)
- [3318](https://www.adhocs.ca/us-ports-of-exit/3318) Roosville (faces 0824)
- [3319](https://www.adhocs.ca/us-ports-of-exit/3319) Morgan (faces 0620)
- [3321](https://www.adhocs.ca/us-ports-of-exit/3321) Whitlash (faces 0706)
- [3322](https://www.adhocs.ca/us-ports-of-exit/3322) Del Bonita (faces 0708)
- [3323](https://www.adhocs.ca/us-ports-of-exit/3323) Wildhorse (faces 0711)
- [3324](https://www.adhocs.ca/us-ports-of-exit/3324) Kalispell Airport (Airport)
- [3325](https://www.adhocs.ca/us-ports-of-exit/3325) Havre (Port of entry)
- [3386](https://www.adhocs.ca/us-ports-of-exit/3386) Bozeman Yellowstone User Fee Airport, Belgrade (Airport)

## Good to know

- **Which US port.** CBSA defines it as the US port where the truck or train crosses into Canada, or the one nearest to where it crosses. For goods sent by ship or plane, it is the US port where they were loaded.
- **Courier shipments.** Low-value courier shipments name 1001, New York, as the US port of exit.

Also in this directory: [CBSA offices](https://www.adhocs.ca/cbsa-offices) · [Warehouse codes](https://www.adhocs.ca/cbsa-warehouses) · [Border crossings](https://www.adhocs.ca/border-crossings)

## Questions

### What is US port code 3304?

The code for the port of Great Falls, Montana. On a Canadian declaration, it says the goods left the United States through it.

## Sources

- [Ports of entry](https://www.cbp.gov/contact/ports), U.S. Customs and Border Protection
- [Memorandum D17-1-10, Coding of Customs Accounting Documents](https://www.cbsa-asfc.gc.ca/publications/dm-md/d17/d17-1-10-eng.html), Canada Border Services Agency

Adhoc is not affiliated with CBSA or CBP.
