---
title: "Boissevain–Dunseith border crossing codes: CBSA 0509, US port 3422 · Adhoc"
description: "The Boissevain–Dunseith border crossing: CBSA office code 0509 on the Canadian side, US port of exit code 3422 on the US side."
canonical: "https://www.adhocs.ca/border-crossings/boissevain-dunseith"
last_updated: 2026-07-27
---

# Boissevain–Dunseith crossing codes

Border crossing

At Boissevain the CBSA office code is 0509. If the goods left the United States through Dunseith, North Dakota, the US port code is 3422.

- **Canada · CBSA office:** [0509](https://www.adhocs.ca/cbsa-offices/0509) Boissevain
- **United States · US port of exit:** [3422](https://www.adhocs.ca/us-ports-of-exit/3422) Dunseith, North Dakota
- **Province:** [Manitoba](https://www.adhocs.ca/cbsa-offices/manitoba)

## Nearby crossings

- [Lena–St. John, about 7 km](https://www.adhocs.ca/border-crossings/lena-st-john): [0522](https://www.adhocs.ca/cbsa-offices/0522) Lena ⇄ [3405](https://www.adhocs.ca/us-ports-of-exit/3405) St. John, North Dakota
- [Goodlands–Carbury, about 40 km](https://www.adhocs.ca/border-crossings/goodlands-carbury): [0508](https://www.adhocs.ca/cbsa-offices/0508) Goodlands ⇄ [3421](https://www.adhocs.ca/us-ports-of-exit/3421) Carbury, North Dakota
- [Cartwright–Hansboro, about 50 km](https://www.adhocs.ca/border-crossings/cartwright-hansboro): [0521](https://www.adhocs.ca/cbsa-offices/0521) Cartwright ⇄ [3415](https://www.adhocs.ca/us-ports-of-exit/3415) Hansboro, North Dakota

## 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.

Also in this directory: [CBSA offices](https://www.adhocs.ca/cbsa-offices) · [Warehouse codes](https://www.adhocs.ca/cbsa-warehouses) · [US ports of exit](https://www.adhocs.ca/us-ports-of-exit)

## Questions

### What is the CBSA office code for Boissevain?

0509, on the Canadian side of the Boissevain–Dunseith crossing.

### What is the US port code for Dunseith, North Dakota?

3422, on the US side of the Boissevain–Dunseith crossing.

## Sources

- [Directory of CBSA offices and services](https://www.cbsa-asfc.gc.ca/do-rb/menu-eng.html), Canada Border Services Agency
- [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

Which US port faces which CBSA office is matched by location; neither agency publishes it as a list.

Adhoc is not affiliated with CBSA or CBP.