---
title: "US port code 3430: Lancaster, Minnesota · Adhoc"
description: "3430 is the US port of exit code for Lancaster, Minnesota on Canadian customs declarations. CBSA office across: CBSA office 0516, Tolstoi."
canonical: "https://www.adhocs.ca/us-ports-of-exit/3430"
last_updated: 2026-07-27
---

# 3430 Lancaster, Minnesota US port of exit

US port of exit · Land border crossing

3430 is the US code for the port of Lancaster, Minnesota. A Canadian declaration uses it when goods left the United States through Lancaster. Across the border is CBSA office 0516, Tolstoi.

- **Port code:** 3430
- **Port:** Lancaster
- **State:** [Minnesota](https://www.adhocs.ca/us-ports-of-exit/minnesota)
- **CBP district:** Pembina, ND
- **Kind:** Land border crossing
- **Across the border:** [0516](https://www.adhocs.ca/cbsa-offices/0516) Tolstoi
- **Crossing:** [Tolstoi–Lancaster](https://www.adhocs.ca/border-crossings/tolstoi-lancaster)

## Tolstoi–Lancaster both codes

- [Tolstoi–Lancaster](https://www.adhocs.ca/border-crossings/tolstoi-lancaster): [0516](https://www.adhocs.ca/cbsa-offices/0516) Tolstoi ⇄ [3430](https://www.adhocs.ca/us-ports-of-exit/3430) Lancaster, Minnesota

## Other US ports in Minnesota

- [3423](https://www.adhocs.ca/us-ports-of-exit/3423) Warroad (faces 0505)
- [3424](https://www.adhocs.ca/us-ports-of-exit/3424) Baudette (faces 0488)
- [3425](https://www.adhocs.ca/us-ports-of-exit/3425) Pinecreek (faces 0517)
- [3426](https://www.adhocs.ca/us-ports-of-exit/3426) Roseau (faces 0506)
- [3501](https://www.adhocs.ca/us-ports-of-exit/3501) Minneapolis-St. Paul (Port of entry)
- [3502](https://www.adhocs.ca/us-ports-of-exit/3502) Sioux Falls, S.D. (Port of entry)
- [3581](https://www.adhocs.ca/us-ports-of-exit/3581) Rochester User Fee Airp, Rochester (Port of entry)
- [3604](https://www.adhocs.ca/us-ports-of-exit/3604) International Falls-Ranier (faces 0478)
- [3613](https://www.adhocs.ca/us-ports-of-exit/3613) Grand Portage (faces 0475)

## 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 3430?

The code for the port of Lancaster, Minnesota. On a Canadian declaration, it says the goods left the United States through it.

### Which CBSA office is across from 3430?

0516, Tolstoi.

## 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
- [Directory of CBSA offices and services](https://www.cbsa-asfc.gc.ca/do-rb/menu-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.